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863d1a8d55
57729 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Linus Torvalds
|
3bb0f28d84 |
filesystem-dax for 5.1
* Fix handling of PMD-sized entries in the Xarray that lead to a crash scenario. * Miscellaneous cleanups and small fixes -----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJciDrAAAoJEB7SkWpmfYgCv2MQAMAnZ/FQ6HsVeqTp+/pZ3PTo APLU8+sL35/7cxeEysy5+CIWMlUQ1nyt6NhDeCfCVKeYbW7A4HWmm1dbptMRzCMd suSGGraw60oQb02iKxUdRB3NTA2voU0gHJKdmCjUljk5FwGHGYFcGXJwrRzYku9z ZqL15cGzfbBwA+5C50ZxDcgk/MQ+lqcHoSLCq8rJyLm/Tf81xszCMIAZylAuyH5N Li4jDlNABJh9EGB/WmQU0I61IyVYrTTVGHvDH3X2HAqkwpvroYBkRXhPcyqkntx2 jtv6OP9sU0k4bej2purGoatfVGZH84AUy9NRIFBG/SNvMxdb1ZfgSu3pccan92ar t0cfWPSVl4nJJj8lLKiNDNruPJ+QU1IWOV+qaGp5J2ygePVgWifFfJxTDgVYTCrl PY+Ijl3VClZvj0CQsNiaxvikYKWSyAClODua81sEgmd9JrpYzYBYe+xcxW0Zqv+z adc5etbeAsponUVZRc2rgyCAD4Y97Ajbea07Oni6ZIaW0NMtvoY3qxI1Jbzp9VTi E8y5NWKuaqOAGIBL1hy6WnD+33OqAW26Dbpa2xE7XarzRObzwK9JRuYF/Lr0xUMj xXnYfHAJzU+vcunCZoXTYzrVv8i1FxJYvdOc1GbnkNUizAgFvhdpC2rqWH6bnTrl 1i1XOxR1M8wWocG8Hjac =HwZT -----END PGP SIGNATURE----- Merge tag 'fsdax-for-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm Pull filesystem-dax updates from Dan Williams: - Fix handling of PMD-sized entries in the Xarray that lead to a crash scenario - Miscellaneous cleanups and small fixes * tag 'fsdax-for-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: dax: Flush partial PMDs correctly fs/dax: NIT fix comment regarding start/end vs range fs/dax: Convert to use vmf_error() |
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Linus Torvalds
|
a840b56ba3 |
This pull request contains updates for both UBI and UBIFS:
- A new interface for UBI to deal better with read disturb - Reject unsupported ioctl flags in UBIFS (xfstests found it) -----BEGIN PGP SIGNATURE----- iQJKBAABCAA0FiEEdgfidid8lnn52cLTZvlZhesYu8EFAlyHyMUWHHJpY2hhcmRA c2lnbWEtc3Rhci5hdAAKCRBm+VmF6xi7wf9+EACFjPJaTJeLPHQofH3+u9O8gPzh ptQFzkEcRrr7Y7WjXnYGhjw83Nx4o5iM17gfqq7zYfuCMxVbC8zm0WZ9Ujj3p7xV p3IJ0bu/9sdIgdo+X9P8XJugAlWit1cW4mI8ZIAl2/CmYBzho8Zo55BNngNQ5G+Y o3JujvP7TAHm9gbqIUMrGpweBHKX0GoooYZBTPdkLyKnFT0yxzOc/jdVILspIxi5 GtDl4738xV7Ts3Fwson1BVqDdwqLvd2j+LBWeRTSYXKyQLIizxRHtk1EZHZtBDZk hWS/IW6HOzJJ5EQHn1EFAyQEGhfm4Yty+X0/BaPn8wvGE3Oud7bd9zgUCoBrhhTv ztLPXY1U1LV8aTCmww6IOXwFj+6BGpj5fIu7my14aqGPKVV5M2kkf+prnLimb9QN C3WxUz1Spz6CwrexoncvGm9ujoQbmwYLtKVNjRFIJ267OelaVD8icuAp1pZLSDom 1B6l39UQctrMiNqxuzJL+eq2raVZnnSQTlDqbUjFnUuU3LccRRNYgzhT1O6Ph50U xqSO2k7Pf41/zZXhdB009HLecVL4gsZOunhGOE7Vv4kr7hin0AfrnoegdL37YG8W GF6BNBgeegOxYDyvbOIWOxDqwyBWY2TPLJJ1IUE6j0lU6P1293IlsYHyTXUIK6bM CQinKMNAXICWvXG0YQ== =DlM9 -----END PGP SIGNATURE----- Merge tag 'upstream-5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs Pull UBI and UBIFS updates from Richard Weinberger: - A new interface for UBI to deal better with read disturb - Reject unsupported ioctl flags in UBIFS (xfstests found it) * tag 'upstream-5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs: ubi: wl: Silence uninitialized variable warning ubifs: Reject unsupported ioctl flags explicitly ubi: Expose the bitrot interface ubi: Introduce in_pq() |
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Linus Torvalds
|
ebc551f2b8 |
Miscellaneous NFS server fixes. Probably the most visible bug is one
that could artificially limit NFSv4.1 performance by limiting the number of oustanding rpcs from a single client. Neil Brown also gets a special mention for fixing a 14.5-year-old memory-corruption bug in the encoding of NFSv3 readdir responses. -----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJch/d7AAoJECebzXlCjuG+VzkP/0AlSz0+vC/65oyqxAtvsn4z xxp6p+PcjuP7NhbImA9zO0d27rpkVFiY0vIArbcwI4R/PsqjRu8kW+dYzK2QAkY2 pzlV2aXxB9es16Vit5M+rvM4nwSsiYdnmN7kd4ntr8DKxtzePoCSL0/kGnbVE8tt bnI5VhbWdd2kekR8xjRFhbHEQm2X6238K4Rv0wRc2o117GSBZCaHh7sgAdZ8BfFt lJET9iOGagrusVWP0Cy6+Jomg0SzyPjcwn6WuBM7MRyn9Viso+ZEOkvnxVtlX+uZ Z4GjbfAxC+7PKajovEW+/zIOjFgHYwNpQEsqGWAALsXXRj9vLgb0+a1DRWFCAj5n KkWxPMcqqxpinhluLjw+r8U90KaA3DqewJdmmSol0IjM+mvVjhUuzhvCaMOhTxJM WG3YZKhZzurQyp+q79xl2MycZ1QWDEDfEf7LD7MAfL88MSVbmYTM/744B4A61LZ4 Ap9p8Jy5LeT6SgSWUh9QBxMIrab4dY0L4xUs0e0s9VE62oS3R62BojTzXSXcztNI UPwabKhQHnsNMAZoPlMoG5UjtCFcTHM24+NDYveWyi55dBwDq8q0FnAlKSevE1pi BC3WtWtnLeL1YgAMH7TLjpTUcl6jVZLHuvELW/2Lz5o0zyo8qlgF3sC7eOtGNB4j LQYmnf67aG+dGvZ91YPc =ntUa -----END PGP SIGNATURE----- Merge tag 'nfsd-5.1' of git://linux-nfs.org/~bfields/linux Pull NFS server updates from Bruce Fields: "Miscellaneous NFS server fixes. Probably the most visible bug is one that could artificially limit NFSv4.1 performance by limiting the number of oustanding rpcs from a single client. Neil Brown also gets a special mention for fixing a 14.5-year-old memory-corruption bug in the encoding of NFSv3 readdir responses" * tag 'nfsd-5.1' of git://linux-nfs.org/~bfields/linux: nfsd: allow nfsv3 readdir request to be larger. nfsd: fix wrong check in write_v4_end_grace() nfsd: fix memory corruption caused by readdir nfsd: fix performance-limiting session calculation svcrpc: fix UDP on servers with lots of threads svcrdma: Remove syslog warnings in work completion handlers svcrdma: Squelch compiler warning when SUNRPC_DEBUG is disabled svcrdma: Use struct_size() in kmalloc() svcrpc: fix unlikely races preventing queueing of sockets svcrpc: svc_xprt_has_something_to_do seems a little long SUNRPC: Don't allow compiler optimisation of svc_xprt_release_slot() nfsd: fix an IS_ERR() vs NULL check |
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Linus Torvalds
|
a5adcfcad5 |
A large number of bug fixes and cleanups. One new feature to allow
users to more easily find the jbd2 journal thread for a particular
ext4 file system.
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Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 updates from Ted Ts'o:
"A large number of bug fixes and cleanups.
One new feature to allow users to more easily find the jbd2 journal
thread for a particular ext4 file system"
* tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (25 commits)
jbd2: jbd2_get_transaction does not need to return a value
jbd2: fix invalid descriptor block checksum
ext4: fix bigalloc cluster freeing when hole punching under load
ext4: add sysfs attr /sys/fs/ext4/<disk>/journal_task
ext4: Change debugging support help prefix from EXT4 to Ext4
ext4: fix compile error when using BUFFER_TRACE
jbd2: fix compile warning when using JBUFFER_TRACE
ext4: fix some error pointer dereferences
ext4: annotate more implicit fall throughs
ext4: annotate implicit fall throughs
ext4: don't update s_rev_level if not required
jbd2: fold jbd2_superblock_csum_{verify,set} into their callers
jbd2: fix race when writing superblock
ext4: fix crash during online resizing
ext4: disallow files with EXT4_JOURNAL_DATA_FL from EXT4_IOC_SWAP_BOOT
ext4: add mask of ext4 flags to swap
ext4: update quota information while swapping boot loader inode
ext4: cleanup pagecache before swap i_data
ext4: fix check of inode in swap_inode_boot_loader
ext4: unlock unused_pages timely when doing writeback
...
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Linus Torvalds
|
2b0a80b0d0 |
The highlights are:
- rbd will now ignore discards that aren't aligned and big enough to
actually free up some space (myself). This is controlled by the new
alloc_size map option and can be disabled if needed.
- support for rbd deep-flatten feature (myself). Deep-flatten allows
"rbd flatten" to fully disconnect the clone image and its snapshots
from the parent and make the parent snapshot removable.
- a new round of cap handling improvements (Zheng Yan). The kernel
client should now be much more prompt about releasing its caps and
it is possible to put a limit on the number of caps held.
- support for getting ceph.dir.pin extended attribute (Zheng Yan)
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Merge tag 'ceph-for-5.1-rc1' of git://github.com/ceph/ceph-client
Pull ceph updates from Ilya Dryomov:
"The highlights are:
- rbd will now ignore discards that aren't aligned and big enough to
actually free up some space (myself). This is controlled by the new
alloc_size map option and can be disabled if needed.
- support for rbd deep-flatten feature (myself). Deep-flatten allows
"rbd flatten" to fully disconnect the clone image and its snapshots
from the parent and make the parent snapshot removable.
- a new round of cap handling improvements (Zheng Yan). The kernel
client should now be much more prompt about releasing its caps and
it is possible to put a limit on the number of caps held.
- support for getting ceph.dir.pin extended attribute (Zheng Yan)"
* tag 'ceph-for-5.1-rc1' of git://github.com/ceph/ceph-client: (26 commits)
Documentation: modern versions of ceph are not backed by btrfs
rbd: advertise support for RBD_FEATURE_DEEP_FLATTEN
rbd: whole-object write and zeroout should copyup when snapshots exist
rbd: copyup with an empty snapshot context (aka deep-copyup)
rbd: introduce rbd_obj_issue_copyup_ops()
rbd: stop copying num_osd_ops in rbd_obj_issue_copyup()
rbd: factor out __rbd_osd_req_create()
rbd: clear ->xferred on error from rbd_obj_issue_copyup()
rbd: remove experimental designation from kernel layering
ceph: add mount option to limit caps count
ceph: periodically trim stale dentries
ceph: delete stale dentry when last reference is dropped
ceph: remove dentry_lru file from debugfs
ceph: touch existing cap when handling reply
ceph: pass inclusive lend parameter to filemap_write_and_wait_range()
rbd: round off and ignore discards that are too small
rbd: handle DISCARD and WRITE_ZEROES separately
rbd: get rid of obj_req->obj_request_count
libceph: use struct_size() for kmalloc() in crush_decode()
ceph: send cap releases more aggressively
...
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Linus Torvalds
|
92825b0298 |
for-5.1-part2-tag
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Linus Torvalds
|
1fbf3e4812 |
NFS client updates for Linux 5.1
Highlights include:
Stable fixes:
- Fixes for NFS I/O request leakages
- Fix error handling paths in the NFS I/O recoalescing code
- Reinitialise NFSv4.1 sequence results before retransmitting a request
- Fix a soft lockup in the delegation recovery code
- Bulk destroy of layouts needs to be safe w.r.t. umount
- Prevent thundering herd issues when the SUNRPC socket is not connected
- Respect RPC call timeouts when retrying transmission
Features:
- Convert rpc auth layer to use xdr_streams
- Config option to disable insecure RPCSEC_GSS crypto types
- Reduce size of RPC receive buffers
- Readdirplus optimization by cache mechanism
- Convert SUNRPC socket send code to use iov_iter()
- SUNRPC micro-optimisations to avoid indirect calls
- Add support for the pNFS LAYOUTERROR operation and use it with the
pNFS/flexfiles driver
- Add trace events to report non-zero NFS status codes
- Various removals of unnecessary dprintks
Bugfixes and cleanups:
- Fix a number of sparse warnings and documentation format warnings
- Fix nfs_parse_devname to not modify it's argument
- Fix potential corruption of page being written through pNFS/blocks
- fix xfstest generic/099 failures on nfsv3
- Avoid NFSv4.1 "false retries" when RPC calls are interrupted
- Abort I/O early if the pNFS/flexfiles layout segment was invalidated
- Avoid unnecessary pNFS/flexfiles layout invalidations
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Merge tag 'nfs-for-5.1-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs
Pull NFS client updates from Trond Myklebust:
"Highlights include:
Stable fixes:
- Fixes for NFS I/O request leakages
- Fix error handling paths in the NFS I/O recoalescing code
- Reinitialise NFSv4.1 sequence results before retransmitting a
request
- Fix a soft lockup in the delegation recovery code
- Bulk destroy of layouts needs to be safe w.r.t. umount
- Prevent thundering herd issues when the SUNRPC socket is not
connected
- Respect RPC call timeouts when retrying transmission
Features:
- Convert rpc auth layer to use xdr_streams
- Config option to disable insecure RPCSEC_GSS crypto types
- Reduce size of RPC receive buffers
- Readdirplus optimization by cache mechanism
- Convert SUNRPC socket send code to use iov_iter()
- SUNRPC micro-optimisations to avoid indirect calls
- Add support for the pNFS LAYOUTERROR operation and use it with the
pNFS/flexfiles driver
- Add trace events to report non-zero NFS status codes
- Various removals of unnecessary dprintks
Bugfixes and cleanups:
- Fix a number of sparse warnings and documentation format warnings
- Fix nfs_parse_devname to not modify it's argument
- Fix potential corruption of page being written through pNFS/blocks
- fix xfstest generic/099 failures on nfsv3
- Avoid NFSv4.1 "false retries" when RPC calls are interrupted
- Abort I/O early if the pNFS/flexfiles layout segment was
invalidated
- Avoid unnecessary pNFS/flexfiles layout invalidations"
* tag 'nfs-for-5.1-1' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: (90 commits)
SUNRPC: Take the transport send lock before binding+connecting
SUNRPC: Micro-optimise when the task is known not to be sleeping
SUNRPC: Check whether the task was transmitted before rebind/reconnect
SUNRPC: Remove redundant calls to RPC_IS_QUEUED()
SUNRPC: Clean up
SUNRPC: Respect RPC call timeouts when retrying transmission
SUNRPC: Fix up RPC back channel transmission
SUNRPC: Prevent thundering herd when the socket is not connected
SUNRPC: Allow dynamic allocation of back channel slots
NFSv4.1: Bump the default callback session slot count to 16
SUNRPC: Convert remaining GFP_NOIO, and GFP_NOWAIT sites in sunrpc
NFS/flexfiles: Clean up mirror DS initialisation
NFS/flexfiles: Remove dead code in ff_layout_mirror_valid()
NFS/flexfile: Simplify nfs4_ff_layout_select_ds_stateid()
NFS/flexfile: Simplify nfs4_ff_layout_ds_version()
NFS/flexfiles: Simplify ff_layout_get_ds_cred()
NFS/flexfiles: Simplify nfs4_ff_find_or_create_ds_client()
NFS/flexfiles: Simplify nfs4_ff_layout_select_ds_fh()
NFS/flexfiles: Speed up read failover when DSes are down
NFS/flexfiles: Don't invalidate DS deviceids for being unresponsive
...
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Linus Torvalds
|
f88c5942cf |
overlayfs update for 5.1
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Linus Torvalds
|
dfee9c257b |
fuse update for 5.1
-----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQSQHSd0lITzzeNWNm3h3BK/laaZPAUCXIdqOwAKCRDh3BK/laaZ PFRlAP0RZr7vDfGcZTXGApcIr63YDjzi8Gg1/Jhd0jrzLbKcdAD+P0d6bupWWwOl yGjVxY9LkXNJiTI2Q+Equ7AgMYvDcQk= =Lvcr -----END PGP SIGNATURE----- Merge tag 'fuse-update-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse Pull fuse updates from Miklos Szeredi: "Scalability and performance improvements, as well as minor bug fixes and cleanups" * tag 'fuse-update-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: (25 commits) fuse: cache readdir calls if filesystem opts out of opendir fuse: support clients that don't implement 'opendir' fuse: lift bad inode checks into callers fuse: multiplex cached/direct_io file operations fuse add copy_file_range to direct io fops fuse: use iov_iter based generic splice helpers fuse: Switch to using async direct IO for FOPEN_DIRECT_IO fuse: use atomic64_t for khctr fuse: clean up aborted fuse: Protect ff->reserved_req via corresponding fi->lock fuse: Protect fi->nlookup with fi->lock fuse: Introduce fi->lock to protect write related fields fuse: Convert fc->attr_version into atomic64_t fuse: Add fuse_inode argument to fuse_prepare_release() fuse: Verify userspace asks to requeue interrupt that we really sent fuse: Do some refactoring in fuse_dev_do_write() fuse: Wake up req->waitq of only if not background fuse: Optimize request_end() by not taking fiq->waitq.lock fuse: Kill fasync only if interrupt is queued in queue_interrupt() fuse: Remove stale comment in end_requests() ... |
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|
Linus Torvalds
|
7b47a9e7c8 |
Merge branch 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull vfs mount infrastructure updates from Al Viro: "The rest of core infrastructure; no new syscalls in that pile, but the old parts are switched to new infrastructure. At that point conversions of individual filesystems can happen independently; some are done here (afs, cgroup, procfs, etc.), there's also a large series outside of that pile dealing with NFS (quite a bit of option-parsing stuff is getting used there - it's one of the most convoluted filesystems in terms of mount-related logics), but NFS bits are the next cycle fodder. It got seriously simplified since the last cycle; documentation is probably the weakest bit at the moment - I considered dropping the commit introducing Documentation/filesystems/mount_api.txt (cutting the size increase by quarter ;-), but decided that it would be better to fix it up after -rc1 instead. That pile allows to do followup work in independent branches, which should make life much easier for the next cycle. fs/super.c size increase is unpleasant; there's a followup series that allows to shrink it considerably, but I decided to leave that until the next cycle" * 'work.mount' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: (41 commits) afs: Use fs_context to pass parameters over automount afs: Add fs_context support vfs: Add some logging to the core users of the fs_context log vfs: Implement logging through fs_context vfs: Provide documentation for new mount API vfs: Remove kern_mount_data() hugetlbfs: Convert to fs_context cpuset: Use fs_context kernfs, sysfs, cgroup, intel_rdt: Support fs_context cgroup: store a reference to cgroup_ns into cgroup_fs_context cgroup1_get_tree(): separate "get cgroup_root to use" into a separate helper cgroup_do_mount(): massage calling conventions cgroup: stash cgroup_root reference into cgroup_fs_context cgroup2: switch to option-by-option parsing cgroup1: switch to option-by-option parsing cgroup: take options parsing into ->parse_monolithic() cgroup: fold cgroup1_mount() into cgroup1_get_tree() cgroup: start switching to fs_context ipc: Convert mqueue fs to fs_context proc: Add fs_context support to procfs ... |
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Linus Torvalds
|
5f739e4a49 |
Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull misc vfs updates from Al Viro: "Assorted fixes (really no common topic here)" * 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: vfs: Make __vfs_write() static vfs: fix preadv64v2 and pwritev64v2 compat syscalls with offset == -1 pipe: stop using ->can_merge splice: don't merge into linked buffers fs: move generic stat response attr handling to vfs_getattr_nosec orangefs: don't reinitialize result_mask in ->getattr fs/devpts: always delete dcache dentry-s in dput() |
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Linus Torvalds
|
a667cb7a94 |
Merge branch 'akpm' (patches from Andrew)
Merge misc updates from Andrew Morton:
- a few misc things
- the rest of MM
- remove flex_arrays, replace with new simple radix-tree implementation
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (38 commits)
Drop flex_arrays
sctp: convert to genradix
proc: commit to genradix
generic radix trees
selinux: convert to kvmalloc
md: convert to kvmalloc
openvswitch: convert to kvmalloc
of: fix kmemleak crash caused by imbalance in early memory reservation
mm: memblock: update comments and kernel-doc
memblock: split checks whether a region should be skipped to a helper function
memblock: remove memblock_{set,clear}_region_flags
memblock: drop memblock_alloc_*_nopanic() variants
memblock: memblock_alloc_try_nid: don't panic
treewide: add checks for the return value of memblock_alloc*()
swiotlb: add checks for the return value of memblock_alloc*()
init/main: add checks for the return value of memblock_alloc*()
mm/percpu: add checks for the return value of memblock_alloc*()
sparc: add checks for the return value of memblock_alloc*()
ia64: add checks for the return value of memblock_alloc*()
arch: don't memset(0) memory returned by memblock_alloc()
...
|
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Kent Overstreet
|
94f8f3b02e |
proc: commit to genradix
The new generic radix trees have a simpler API and implementation, and no limitations on number of elements, so all flex_array users are being converted Link: http://lkml.kernel.org/r/20181217131929.11727-6-kent.overstreet@gmail.com Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com> Reviewed-by: Alexey Dobriyan <adobriyan@gmail.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Eric Paris <eparis@parisplace.org> Cc: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Neil Horman <nhorman@tuxdriver.com> Cc: Paul Moore <paul@paul-moore.com> Cc: Pravin B Shelar <pshelar@ovn.org> Cc: Shaohua Li <shli@kernel.org> Cc: Stephen Smalley <sds@tycho.nsa.gov> Cc: Vlad Yasevich <vyasevich@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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|
Alexey Dobriyan
|
d5a572a4cb |
proc: calculate end pointer for /proc/*/* lookup at compile time
Compilers like to transform loops like
for (i = 0; i < n; i++) {
[use p[i]]
}
into
for (p = p0; p < end; p++) {
...
}
Do it by hand, so that it results in overall simpler loop
and smaller code.
Space savings:
$ ./scripts/bloat-o-meter ../vmlinux-001 ../obj/vmlinux
add/remove: 0/0 grow/shrink: 2/1 up/down: 4/-9 (-5)
Function old new delta
proc_tid_base_lookup 17 19 +2
proc_tgid_base_lookup 17 19 +2
proc_pident_lookup 179 170 -9
The same could be done to proc_pident_readdir(), but the code becomes
bigger for some reason.
[sfr@canb.auug.org.au: merge fix for proc_pident_lookup() API change]
Link: http://lkml.kernel.org/r/20190131160135.4a8ae70b@canb.auug.org.au
Link: http://lkml.kernel.org/r/20190114200422.GB9680@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: James Morris <jmorris@namei.org>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Casey Schaufler <casey@schaufler-ca.com>
Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
||
|
Nikolay Borisov
|
b5420237ec |
mm: refactor readahead defines in mm.h
All users of VM_MAX_READAHEAD actually convert it to kbytes and then to pages. Define the macro explicitly as (SZ_128K / PAGE_SIZE). This simplifies the expression in every filesystem. Also rename the macro to VM_READAHEAD_PAGES to properly convey its meaning. Finally remove unused VM_MIN_READAHEAD [akpm@linux-foundation.org: fix fs/io_uring.c, per Stephen] Link: http://lkml.kernel.org/r/20181221144053.24318-1-nborisov@suse.com Signed-off-by: Nikolay Borisov <nborisov@suse.com> Reviewed-by: Matthew Wilcox <willy@infradead.org> Reviewed-by: David Hildenbrand <david@redhat.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: Eric Van Hensbergen <ericvh@gmail.com> Cc: Latchesar Ionkov <lucho@ionkov.net> Cc: Dominique Martinet <asmadeus@codewreck.org> Cc: David Howells <dhowells@redhat.com> Cc: Chris Mason <clm@fb.com> Cc: Josef Bacik <josef@toxicpanda.com> Cc: David Sterba <dsterba@suse.com> Cc: Miklos Szeredi <miklos@szeredi.hu> Cc: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Colin Ian King
|
cb1d150d80 |
hpfs: fix spelling mistake "partion" -> "partition"
Trivial fix to spelling mistakes in comments Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Mikulas Patocka <mikulas@twibright.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Linus Torvalds
|
ea295481b6 |
XArray updates for 5.1-rc1
-----BEGIN PGP SIGNATURE----- iQFIBAABCgAyFiEEejHryeLBw/spnjHrDpNsjXcpgj4FAlyHF2oUHHdpbGx5QGlu ZnJhZGVhZC5vcmcACgkQDpNsjXcpgj5j9AgAlpeptRfnPO0+VXj+EbxaOOI8tOG+ w+vBasWoQB+lZ9ctf1qUQVSeLn0ErxTM7BaIP7plfDrEWiIbRWkV18B+heS5d1Yz aTV1d/8tG6/eo61K2VqXHbUhymgMtbXDsg1rwWTF8+Q4xIcMqfYAR0f9ptU1Oejc pNAn16dYgKi6+4eluY7gXxruBosQ6yNml6iEje9A3uR8nhzTI/P3Yf2GGIZnQLsL +UIx4Ps38dJ3VCYBPfbnszZfYPpILUH9/Bdx+mAMUtZwvpM3JYqc8XsiFfqDO7n1 3003yUytnRkb1UK3QIvkbPt0G8UOI4s9fxRPsA8lLSww/f2y1r5kC4Mxbg== =HSP/ -----END PGP SIGNATURE----- Merge tag 'xarray-5.1-rc1' of git://git.infradead.org/users/willy/linux-dax Pull XArray updates from Matthew Wilcox: "This pull request changes the xa_alloc() API. I'm only aware of one subsystem that has started trying to use it, and we agree on the fixup as part of the merge. The xa_insert() error code also changed to match xa_alloc() (EEXIST to EBUSY), and I added xa_alloc_cyclic(). Beyond that, the usual bugfixes, optimisations and tweaking. I now have a git tree with all users of the radix tree and IDR converted over to the XArray that I'll be feeding to maintainers over the next few weeks" * tag 'xarray-5.1-rc1' of git://git.infradead.org/users/willy/linux-dax: XArray: Fix xa_reserve for 2-byte aligned entries XArray: Fix xa_erase of 2-byte aligned entries XArray: Use xa_cmpxchg to implement xa_reserve XArray: Fix xa_release in allocating arrays XArray: Mark xa_insert and xa_reserve as must_check XArray: Add cyclic allocation XArray: Redesign xa_alloc API XArray: Add support for 1s-based allocation XArray: Change xa_insert to return -EBUSY XArray: Update xa_erase family descriptions XArray tests: RCU lock prohibits GFP_KERNEL |
||
|
Linus Torvalds
|
c3665a6be5 |
Merge branch 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull integrity updates from James Morris:
"Mimi Zohar says:
'Linux 5.0 introduced the platform keyring to allow verifying the IMA
kexec kernel image signature using the pre-boot keys. This pull
request similarly makes keys on the platform keyring accessible for
verifying the PE kernel image signature.
Also included in this pull request is a new IMA hook that tags tmp
files, in policy, indicating the file hash needs to be calculated.
The remaining patches are cleanup'"
* 'next-integrity' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
evm: Use defined constant for UUID representation
ima: define ima_post_create_tmpfile() hook and add missing call
evm: remove set but not used variable 'xattr'
encrypted-keys: fix Opt_err/Opt_error = -1
kexec, KEYS: Make use of platform keyring for signature verify
integrity, KEYS: add a reference to platform keyring
|
||
|
Linus Torvalds
|
92fff53b71 |
SCSI misc on 20190306
This is mostly update of the usual drivers: arcmsr, qla2xxx, lpfc, hisi_sas, target/iscsi and target/core. Additionally Christoph refactored gdth as part of the dma changes. The major mid-layer change this time is the removal of bidi commands and with them the whole of the osd/exofs driver and filesystem. Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com> -----BEGIN PGP SIGNATURE----- iJwEABMIAEQWIQTnYEDbdso9F2cI+arnQslM7pishQUCXIC54SYcamFtZXMuYm90 dG9tbGV5QGhhbnNlbnBhcnRuZXJzaGlwLmNvbQAKCRDnQslM7pishT1GAPwJEV23 ExPiPsnuVgKj49nLTagZ3rILRQcYNbL+MNYqxQEA0cT8FHzSDBfWY5OKPNE+RQ8z f69LpXGmMpuagKGvvd4= =Fhy1 -----END PGP SIGNATURE----- Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI updates from James Bottomley: "This is mostly update of the usual drivers: arcmsr, qla2xxx, lpfc, hisi_sas, target/iscsi and target/core. Additionally Christoph refactored gdth as part of the dma changes. The major mid-layer change this time is the removal of bidi commands and with them the whole of the osd/exofs driver and filesystem. This is a major simplification for block and mq in particular" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (240 commits) scsi: cxgb4i: validate tcp sequence number only if chip version <= T5 scsi: cxgb4i: get pf number from lldi->pf scsi: core: replace GFP_ATOMIC with GFP_KERNEL in scsi_scan.c scsi: mpt3sas: Add missing breaks in switch statements scsi: aacraid: Fix missing break in switch statement scsi: kill command serial number scsi: csiostor: drop serial_number usage scsi: mvumi: use request tag instead of serial_number scsi: dpt_i2o: remove serial number usage scsi: st: osst: Remove negative constant left-shifts scsi: ufs-bsg: Allow reading descriptors scsi: ufs: Allow reading descriptor via raw upiu scsi: ufs-bsg: Change the calling convention for write descriptor scsi: ufs: Remove unused device quirks Revert "scsi: ufs: disable vccq if it's not needed by UFS device" scsi: megaraid_sas: Remove a bunch of set but not used variables scsi: clean obsolete return values of eh_timed_out scsi: sd: Optimal I/O size should be a multiple of physical block size scsi: MAINTAINERS: SCSI initiator and target tweaks scsi: fcoe: make use of fip_mode enum complete ... |
||
|
Linus Torvalds
|
a50243b1dd |
5.1 Merge Window Pull Request
This has been a slightly more active cycle than normal with ongoing core
changes and quite a lot of collected driver updates.
- Various driver fixes for bnxt_re, cxgb4, hns, mlx5, pvrdma, rxe
- A new data transfer mode for HFI1 giving higher performance
- Significant functional and bug fix update to the mlx5 On-Demand-Paging MR
feature
- A chip hang reset recovery system for hns
- Change mm->pinned_vm to an atomic64
- Update bnxt_re to support a new 57500 chip
- A sane netlink 'rdma link add' method for creating rxe devices and fixing
the various unregistration race conditions in rxe's unregister flow
- Allow lookup up objects by an ID over netlink
- Various reworking of the core to driver interface:
* Drivers should not assume umem SGLs are in PAGE_SIZE chunks
* ucontext is accessed via udata not other means
* Start to make the core code responsible for object memory
allocation
* Drivers should convert struct device to struct ib_device
via a helper
* Drivers have more tools to avoid use after unregister problems
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
Pull rdma updates from Jason Gunthorpe:
"This has been a slightly more active cycle than normal with ongoing
core changes and quite a lot of collected driver updates.
- Various driver fixes for bnxt_re, cxgb4, hns, mlx5, pvrdma, rxe
- A new data transfer mode for HFI1 giving higher performance
- Significant functional and bug fix update to the mlx5
On-Demand-Paging MR feature
- A chip hang reset recovery system for hns
- Change mm->pinned_vm to an atomic64
- Update bnxt_re to support a new 57500 chip
- A sane netlink 'rdma link add' method for creating rxe devices and
fixing the various unregistration race conditions in rxe's
unregister flow
- Allow lookup up objects by an ID over netlink
- Various reworking of the core to driver interface:
- drivers should not assume umem SGLs are in PAGE_SIZE chunks
- ucontext is accessed via udata not other means
- start to make the core code responsible for object memory
allocation
- drivers should convert struct device to struct ib_device via a
helper
- drivers have more tools to avoid use after unregister problems"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (280 commits)
net/mlx5: ODP support for XRC transport is not enabled by default in FW
IB/hfi1: Close race condition on user context disable and close
RDMA/umem: Revert broken 'off by one' fix
RDMA/umem: minor bug fix in error handling path
RDMA/hns: Use GFP_ATOMIC in hns_roce_v2_modify_qp
cxgb4: kfree mhp after the debug print
IB/rdmavt: Fix concurrency panics in QP post_send and modify to error
IB/rdmavt: Fix loopback send with invalidate ordering
IB/iser: Fix dma_nents type definition
IB/mlx5: Set correct write permissions for implicit ODP MR
bnxt_re: Clean cq for kernel consumers only
RDMA/uverbs: Don't do double free of allocated PD
RDMA: Handle ucontext allocations by IB/core
RDMA/core: Fix a WARN() message
bnxt_re: fix the regression due to changes in alloc_pbl
IB/mlx4: Increase the timeout for CM cache
IB/core: Abort page fault handler silently during owning process exit
IB/mlx5: Validate correct PD before prefetch MR
IB/mlx5: Protect against prefetch of invalid MR
RDMA/uverbs: Store PR pointer before it is overwritten
...
|
||
|
Linus Torvalds
|
36011ddc78 |
We've only got three patches ready for this merge window:
- Fix a hang related to missed wakeups for glocks from Andreas Gruenbacher.
- Rework of how gfs2 manages its debugfs files from Greg K-H.
- An incorrect assert when truncating or deleting files from Tim Smith.
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Merge tag 'gfs2-5.1.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2
Pull gfs2 updates from Bob Peterson:
"We've only got three patches ready for this merge window:
- Fix a hang related to missed wakeups for glocks from Andreas
Gruenbacher
- Rework of how gfs2 manages its debugfs files from Greg K-H
- An incorrect assert when truncating or deleting files from Tim
Smith"
* tag 'gfs2-5.1.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/gfs2/linux-gfs2:
gfs2: Fix missed wakeups in find_insert_glock
gfs2: Fix an incorrect gfs2_assert()
gfs: no need to check return value of debugfs_create functions
|
||
|
Linus Torvalds
|
e519a8c2c3 |
smb3/cifs fixes including for large i/o error cases, fixes for 3 xfstests, improved crediting (smb3 flow control); improved tracing
-----BEGIN PGP SIGNATURE----- iQGzBAABCgAdFiEE6fsu8pdIjtWE/DpLiiy9cAdyT1EFAlyCm8sACgkQiiy9cAdy T1HeQwwAvlV0Wkbg+c24musbdsKLZ0WpT8SFV1gaA0hA8090WxfETp+RxuUbHefY /pHfZj0zIsi2LEU22zw9tZtypKPD8d/Zt6LTZjCwW55c6HepTxnAwUDwpkGHD02e Rcau4ahGIWrcrbCJikG8XrAk+4ZOy52Vjf15JQR2Z8Ctt79UBJMqtKl6P90aZL/W HcpKNhrV+J7bLoWzZYRomKq/nnL+qKEV2JLk8ig065auBQWMKvvyBQAanmJG+vBf sgqXuE4x+cxpzClkJQ4aWMeEkgjyWuhRk6+y5qXaAGCHtUVotkZse1Dwtx52HjcW f6yC80CT2+vf7yoXW2YqJR28pJQoACbtZPgqMUPe+n6ojZIogWwJ2cBgVKqg8+dY IxTrGNHqvVy8jz3T8A9H4xRKse53Oob5gzAYnxk8zjFzt3aj/2mOw4YKENzHLzVI iJRLsBXo9JpSgEoiGDvGseabc5Z98BdQ7rzhg0kT2U9g+lopN42FRY5UOaG6n1oz V6tY2+FU =w3ho -----END PGP SIGNATURE----- Merge tag '5.1-rc-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6 Pull smb3 updates from Steve French: - smb3/cifs fixes including for large i/o error cases - fixes for three xfstests - improved crediting (smb3 flow control) - improved tracing * tag '5.1-rc-smb3-fixes' of git://git.samba.org/sfrench/cifs-2.6: (44 commits) fs: cifs: Kconfig: pedantic formatting smb3: request more credits on normal (non-large read/write) ops CIFS: Mask off signals when sending SMB packets CIFS: Return -EAGAIN instead of -ENOTSOCK CIFS: Only send SMB2_NEGOTIATE command on new TCP connections CIFS: Fix read after write for files with read caching smb3: for kerberos mounts display the credential uid used cifs: use correct format characters smb3: add dynamic trace point for query_info_enter/done smb3: add dynamic trace point for smb3_cmd_enter smb3: improve dynamic tracing of open and posix mkdir smb3: add missing read completion trace point smb3: Add tracepoints for read, write and query_dir enter smb3: add tracepoints for query dir smb3: Update POSIX negotiate context with POSIX ctxt GUID cifs: update internal module version number CIFS: Try to acquire credits at once for compound requests CIFS: Return error code when getting file handle for writeback CIFS: Move open file handling to writepages CIFS: Move unlocking pages from wdata_send_pages() ... |
||
|
Linus Torvalds
|
d1cae94871 |
fscrypt updates for v5.1
First: Ted, Jaegeuk, and I have decided to add me as a co-maintainer for
fscrypt, and we're now using a shared git tree. So we've updated
MAINTAINERS accordingly, and I'm doing the pull request this time.
The actual changes for v5.1 are:
- Remove the fs-specific kconfig options like CONFIG_EXT4_ENCRYPTION and
make fscrypt support for all fscrypt-capable filesystems be controlled
by CONFIG_FS_ENCRYPTION, similar to how CONFIG_QUOTA works.
- Improve error code for rename() and link() into encrypted directories.
- Various cleanups.
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Merge tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt
Pull fscrypt updates from Eric Biggers:
"First: Ted, Jaegeuk, and I have decided to add me as a co-maintainer
for fscrypt, and we're now using a shared git tree. So we've updated
MAINTAINERS accordingly, and I'm doing the pull request this time.
The actual changes for v5.1 are:
- Remove the fs-specific kconfig options like CONFIG_EXT4_ENCRYPTION
and make fscrypt support for all fscrypt-capable filesystems be
controlled by CONFIG_FS_ENCRYPTION, similar to how CONFIG_QUOTA
works.
- Improve error code for rename() and link() into encrypted
directories.
- Various cleanups"
* tag 'fscrypt-for-linus' of git://git.kernel.org/pub/scm/fs/fscrypt/fscrypt:
MAINTAINERS: add Eric Biggers as an fscrypt maintainer
fscrypt: return -EXDEV for incompatible rename or link into encrypted dir
fscrypt: remove filesystem specific build config option
f2fs: use IS_ENCRYPTED() to check encryption status
ext4: use IS_ENCRYPTED() to check encryption status
fscrypt: remove CRYPTO_CTR dependency
|
||
|
Linus Torvalds
|
a39f009ace |
pstore cleanups
- Remove some needless memory allocations (Yue Hu, Kees Cook) - Add zero-length checks to avoid no-op calls (Yue Hu) -----BEGIN PGP SIGNATURE----- Comment: Kees Cook <kees@outflux.net> iQJKBAABCgA0FiEEpcP2jyKd1g9yPm4TiXL039xtwCYFAlx9X2MWHGtlZXNjb29r QGNocm9taXVtLm9yZwAKCRCJcvTf3G3AJla9EACEG5bBU++0KiqJsXqddOZ4cmcE j1oHyBHgBuXkkuZoLz5hrG45D1jBCEjZNoVdrDZEBUpql6rED+4d7RGls2zV5cku LMwEpYV4/+GxeJCE5i+uFHdAsnMGEtmRFgo2J7l7gnWbldhq0O4AsM8OUU/MLetP QPfQ5qXlQVVc1R+msXGJ0+zmzZwpk5iahEzYAWXh2oQI/x9yb5bcQxh9J5Xzek1u nByzqa23fXjHYP8hxkx4u07RzmpALPW4kdHYtZokiTWPAiYFMehRORoZwQvqXNUX /mHq33f2z3FZf1R0MkY7ZgcV+HkD4IjcTBMjPRqUPUKRy6UOrJp2oIzSpw9HEm7z yG6JFgYBXLg9huWsAPKjBoH8TUPlBL8QybktEMgz0HRWVqw9U8/KPZAtFsFg2RVA pKbkLTSGCO5xLrtOsBvZx3O8WY2p5sUW+R1LdLdE3Maib9bm/3OiFx3UpKH/N25O p9P4TuB2FF2v57XdIRVlp1RzPCEr+qMvP5GWiZVeNoj4K6JhlAfVJWuvjis9MAvj MfmodgVF5C2cRk4u94uaidgTCX9nYTooYxA6sxgMEKb0Qjl6cGJ8ByxmJLdeuui8 CXuJewOxmZ42OwNXh6ClDd/PnzAWf1Fq+5h7p4vmItxZdo+dzuwxqrOlN7wcTrlC ldVCn3h83TwbGy0WpQ== =4Rey -----END PGP SIGNATURE----- Merge tag 'pstore-v5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull pstore cleanups from Kees Cook: - Remove some needless memory allocations (Yue Hu, Kees Cook) - Add zero-length checks to avoid no-op calls (Yue Hu) * tag 'pstore-v5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: pstore/ram: Avoid needless alloc during header write pstore/ram: Add kmsg hlen zero check to ramoops_pstore_write() pstore/ram: Move initialization earlier pstore: Avoid writing records with zero size pstore/ram: Replace dummy_data heap memory with stack memory |
||
|
Linus Torvalds
|
38e7571c07 |
io_uring-2019-03-06
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Merge tag 'io_uring-2019-03-06' of git://git.kernel.dk/linux-block
Pull io_uring IO interface from Jens Axboe:
"Second attempt at adding the io_uring interface.
Since the first one, we've added basic unit testing of the three
system calls, that resides in liburing like the other unit tests that
we have so far. It'll take a while to get full coverage of it, but
we're working towards it. I've also added two basic test programs to
tools/io_uring. One uses the raw interface and has support for all the
various features that io_uring supports outside of standard IO, like
fixed files, fixed IO buffers, and polled IO. The other uses the
liburing API, and is a simplified version of cp(1).
This adds support for a new IO interface, io_uring.
io_uring allows an application to communicate with the kernel through
two rings, the submission queue (SQ) and completion queue (CQ) ring.
This allows for very efficient handling of IOs, see the v5 posting for
some basic numbers:
https://lore.kernel.org/linux-block/20190116175003.17880-1-axboe@kernel.dk/
Outside of just efficiency, the interface is also flexible and
extendable, and allows for future use cases like the upcoming NVMe
key-value store API, networked IO, and so on. It also supports async
buffered IO, something that we've always failed to support in the
kernel.
Outside of basic IO features, it supports async polled IO as well.
This particular feature has already been tested at Facebook months ago
for flash storage boxes, with 25-33% improvements. It makes polled IO
actually useful for real world use cases, where even basic flash sees
a nice win in terms of efficiency, latency, and performance. These
boxes were IOPS bound before, now they are not.
This series adds three new system calls. One for setting up an
io_uring instance (io_uring_setup(2)), one for submitting/completing
IO (io_uring_enter(2)), and one for aux functions like registrating
file sets, buffers, etc (io_uring_register(2)). Through the help of
Arnd, I've coordinated the syscall numbers so merge on that front
should be painless.
Jon did a writeup of the interface a while back, which (except for
minor details that have been tweaked) is still accurate. Find that
here:
https://lwn.net/Articles/776703/
Huge thanks to Al Viro for helping getting the reference cycle code
correct, and to Jann Horn for his extensive reviews focused on both
security and bugs in general.
There's a userspace library that provides basic functionality for
applications that don't need or want to care about how to fiddle with
the rings directly. It has helpers to allow applications to easily set
up an io_uring instance, and submit/complete IO through it without
knowing about the intricacies of the rings. It also includes man pages
(thanks to Jeff Moyer), and will continue to grow support helper
functions and features as time progresses. Find it here:
git://git.kernel.dk/liburing
Fio has full support for the raw interface, both in the form of an IO
engine (io_uring), but also with a small test application (t/io_uring)
that can exercise and benchmark the interface"
* tag 'io_uring-2019-03-06' of git://git.kernel.dk/linux-block:
io_uring: add a few test tools
io_uring: allow workqueue item to handle multiple buffered requests
io_uring: add support for IORING_OP_POLL
io_uring: add io_kiocb ref count
io_uring: add submission polling
io_uring: add file set registration
net: split out functions related to registering inflight socket files
io_uring: add support for pre-mapped user IO buffers
block: implement bio helper to add iter bvec pages to bio
io_uring: batch io_kiocb allocation
io_uring: use fget/fput_many() for file references
fs: add fget_many() and fput_many()
io_uring: support for IO polling
io_uring: add fsync support
Add io_uring IO interface
|
||
|
Linus Torvalds
|
80201fe175 |
for-5.1/block-20190302
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Merge tag 'for-5.1/block-20190302' of git://git.kernel.dk/linux-block
Pull block layer updates from Jens Axboe:
"Not a huge amount of changes in this round, the biggest one is that we
finally have Mings multi-page bvec support merged. Apart from that,
this pull request contains:
- Small series that avoids quiescing the queue for sysfs changes that
match what we currently have (Aleksei)
- Series of bcache fixes (via Coly)
- Series of lightnvm fixes (via Mathias)
- NVMe pull request from Christoph. Nothing major, just SPDX/license
cleanups, RR mp policy (Hannes), and little fixes (Bart,
Chaitanya).
- BFQ series (Paolo)
- Save blk-mq cpu -> hw queue mapping, removing a pointer indirection
for the fast path (Jianchao)
- fops->iopoll() added for async IO polling, this is a feature that
the upcoming io_uring interface will use (Christoph, me)
- Partition scan loop fixes (Dongli)
- mtip32xx conversion from managed resource API (Christoph)
- cdrom registration race fix (Guenter)
- MD pull from Song, two minor fixes.
- Various documentation fixes (Marcos)
- Multi-page bvec feature. This brings a lot of nice improvements
with it, like more efficient splitting, larger IOs can be supported
without growing the bvec table size, and so on. (Ming)
- Various little fixes to core and drivers"
* tag 'for-5.1/block-20190302' of git://git.kernel.dk/linux-block: (117 commits)
block: fix updating bio's front segment size
block: Replace function name in string with __func__
nbd: propagate genlmsg_reply return code
floppy: remove set but not used variable 'q'
null_blk: fix checking for REQ_FUA
block: fix NULL pointer dereference in register_disk
fs: fix guard_bio_eod to check for real EOD errors
blk-mq: use HCTX_TYPE_DEFAULT but not 0 to index blk_mq_tag_set->map
block: optimize bvec iteration in bvec_iter_advance
block: introduce mp_bvec_for_each_page() for iterating over page
block: optimize blk_bio_segment_split for single-page bvec
block: optimize __blk_segment_map_sg() for single-page bvec
block: introduce bvec_nth_page()
iomap: wire up the iopoll method
block: add bio_set_polled() helper
block: wire up block device iopoll method
fs: add an iopoll method to struct file_operations
loop: set GENHD_FL_NO_PART_SCAN after blkdev_reread_part()
loop: do not print warn message if partition scan is successful
block: bounce: make sure that bvec table is updated
...
|
||
|
NeilBrown
|
f875a792ab |
nfsd: allow nfsv3 readdir request to be larger.
nfsd currently reports the NFSv3 dtpref FSINFO parameter to be PAGE_SIZE, so NFS clients will typically ask for one page of directory entries at a time. This is needlessly restrictive as nfsd can handle larger replies easily. Also, a READDIR request (but not a READDIRPLUS request) has the count size clipped to PAGE_SIE, again unnecessary. This patch lifts these limits so that larger readdir requests can be used. Signed-off-by: NeilBrown <neilb@suse.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com> |
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|
Andreas Gruenbacher
|
605b0487f0 |
gfs2: Fix missed wakeups in find_insert_glock
Mark Syms has reported seeing tasks that are stuck waiting in find_insert_glock. It turns out that struct lm_lockname contains four padding bytes on 64-bit architectures that function glock_waitqueue doesn't skip when hashing the glock name. As a result, we can end up waking up the wrong waitqueue, and the waiting tasks may be stuck forever. Fix that by using ht_parms.key_len instead of sizeof(struct lm_lockname) for the key length. Reported-by: Mark Syms <mark.syms@citrix.com> Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> Signed-off-by: Bob Peterson <rpeterso@redhat.com> |
||
|
Linus Torvalds
|
b5dd0c658c |
Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton: - some of the rest of MM - various misc things - dynamic-debug updates - checkpatch - some epoll speedups - autofs - rapidio - lib/, lib/lzo/ updates * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (83 commits) samples/mic/mpssd/mpssd.h: remove duplicate header kernel/fork.c: remove duplicated include include/linux/relay.h: fix percpu annotation in struct rchan arch/nios2/mm/fault.c: remove duplicate include unicore32: stop printing the virtual memory layout MAINTAINERS: fix GTA02 entry and mark as orphan mm: create the new vm_fault_t type arm, s390, unicore32: remove oneliner wrappers for memblock_alloc() arch: simplify several early memory allocations openrisc: simplify pte_alloc_one_kernel() sh: prefer memblock APIs returning virtual address microblaze: prefer memblock API returning virtual address powerpc: prefer memblock APIs returning virtual address lib/lzo: separate lzo-rle from lzo lib/lzo: implement run-length encoding lib/lzo: fast 8-byte copy on arm64 lib/lzo: 64-bit CTZ on arm64 lib/lzo: tidy-up ifdefs ipc/sem.c: replace kvmalloc/memset with kvzalloc and use struct_size ipc: annotate implicit fall through ... |
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|
Oleg Nesterov
|
6eb3c3d0a5 |
exec: increase BINPRM_BUF_SIZE to 256
Large enterprise clients often run applications out of networked file systems where the IT mandated layout of project volumes can end up leading to paths that are longer than 128 characters. Bumping this up to the next order of two solves this problem in all but the most egregious case while still fitting into a 512b slab. [oleg@redhat.com: update comment, per Kees] Link: http://lkml.kernel.org/r/20181112160956.GA28472@redhat.com Signed-off-by: Oleg Nesterov <oleg@redhat.com> Reported-by: Ben Woodard <woodard@redhat.com> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Michal Hocko <mhocko@suse.com> Acked-by: Kees Cook <keescook@chromium.org> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Vineet Gupta
|
26e152252e |
fs/exec.c: replace opencoded set_mask_bits()
Link: http://lkml.kernel.org/r/1548275584-18096-2-git-send-email-vgupta@synopsys.com Link: http://lkml.kernel.org/g/20150807115710.GA16897@redhat.com Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Reviewed-by: Anthony Yznaga <anthony.yznaga@oracle.com> Acked-by: Oleg Nesterov <oleg@redhat.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jani Nikula <jani.nikula@intel.com> Cc: Miklos Szeredi <mszeredi@redhat.com> Cc: Theodore Ts'o <tytso@mit.edu> Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Hou Tao
|
67ceb1eca0 |
fat: enable .splice_write to support splice on O_DIRECT file
Now splice() on O_DIRECT-opened fat file will return -EFAULT, that is because the default .splice_write, namely default_file_splice_write(), will construct an ITER_KVEC iov_iter and dio_refill_pages() in dio path can not handle it. Fix it by implementing .splice_write through iter_file_splice_write(). Spotted by xfs-tests generic/091. Link: http://lkml.kernel.org/r/20190210094754.56355-1-houtao1@huawei.com Signed-off-by: Hou Tao <houtao1@huawei.com> Acked-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
NeilBrown
|
660c9fc72e |
autofs: clear O_NONBLOCK on the pipe
autofs does not expect the pipe it is given to have O_NONBLOCK set - specifically if __kernel_write() in autofs_write() returns -EAGAIN, this is treated as a fatal error and the pipe is closed. For safety autofs should, therefore, clear the O_NONBLOCK flag. Releases of systemd prior to 8th February 2019 used pipe2(p, O_NONBLOCK|O_CLOEXEC) and thus (inadvertently) set this flag. Link: http://lkml.kernel.org/r/154993550902.3321.1183632970046073478.stgit@pluto-themaw-net Signed-off-by: NeilBrown <neilb@suse.com> Signed-off-by: Ian Kent <raven@themaw.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Ian Kent
|
874d22d62b |
fs/autofs/inode.c: use seq_puts() for simple strings in autofs_show_options()
Fix checkpatch.sh WARNING about the use of seq_printf() to print simple strings in autofs_show_options(), use seq_puts() in this case. Link: http://lkml.kernel.org/r/154889012613.4863.12231175554744203482.stgit@pluto-themaw-net Signed-off-by: Ian Kent <raven@themaw.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Ian Kent
|
60d6d04ca3 |
autofs: add ignore mount option
Add an autofs file system mount option that can be used to provide a
generic indicator to applications that the mount entry should be ignored
when displaying mount information.
In other OSes that provide autofs and that provide a mount list to user
space based on the kernel mount list a no-op mount option ("ignore" is
the one use on the most common OS) is allowed so that autofs file system
users can optionally use it.
The idea is that it be used by user space programs to exclude autofs
mounts from consideration when reading the mounts list.
Prior to the change to link /etc/mtab to /proc/self/mounts all I needed
to do to achieve this was to use mount(2) and not update the mtab but
now that no longer works.
I know the symlinking happened a long time ago and I considered doing
this then but, at the time I couldn't remember the commonly used option
name and thought persuading the various utility maintainers would be too
hard.
But now I have a RHEL request to do this for compatibility for a widely
used product so I want to go ahead with it and try and enlist the help
of some utility package maintainers.
Clearly, without the option nothing can be done so it's at least a
start.
Link: http://lkml.kernel.org/r/154725123970.11260.6113771566924907275.stgit@pluto-themaw-net
Signed-off-by: Ian Kent <raven@themaw.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
||
|
Alexey Dobriyan
|
49ac981965 |
fs/binfmt_elf.c: spread const a little
Link: http://lkml.kernel.org/r/20190204202830.GC27482@avx2 Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Alexey Dobriyan
|
93f044e282 |
fs/binfmt_elf.c: use list_for_each_entry()
[adobriyan@gmail.com: fixup compilation] Link: http://lkml.kernel.org/r/20190205064334.GA2152@avx2 Link: http://lkml.kernel.org/r/20190204202800.GB27482@avx2 Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Alexey Dobriyan
|
faf1c31520 |
fs/binfmt_elf.c: don't be afraid of overflow
Number of ELF program headers is 16-bit by spec, so total size comfortably fits into "unsigned int". Space savings: 7 bytes! add/remove: 0/0 grow/shrink: 0/1 up/down: 0/-7 (-7) Function old new delta load_elf_phdrs 137 130 -7 Link: http://lkml.kernel.org/r/20190204202715.GA27482@avx2 Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Roman Penyaev
|
a218cc4914 |
epoll: use rwlock in order to reduce ep_poll_callback() contention
The goal of this patch is to reduce contention of ep_poll_callback()
which can be called concurrently from different CPUs in case of high
events rates and many fds per epoll. Problem can be very well
reproduced by generating events (write to pipe or eventfd) from many
threads, while consumer thread does polling. In other words this patch
increases the bandwidth of events which can be delivered from sources to
the poller by adding poll items in a lockless way to the list.
The main change is in replacement of the spinlock with a rwlock, which
is taken on read in ep_poll_callback(), and then by adding poll items to
the tail of the list using xchg atomic instruction. Write lock is taken
everywhere else in order to stop list modifications and guarantee that
list updates are fully completed (I assume that write side of a rwlock
does not starve, it seems qrwlock implementation has these guarantees).
The following are some microbenchmark results based on the test [1]
which starts threads which generate N events each. The test ends when
all events are successfully fetched by the poller thread:
spinlock
========
threads events/ms run-time ms
8 6402 12495
16 7045 22709
32 7395 43268
rwlock + xchg
=============
threads events/ms run-time ms
8 10038 7969
16 12178 13138
32 13223 24199
According to the results bandwidth of delivered events is significantly
increased, thus execution time is reduced.
This patch was tested with different sort of microbenchmarks and
artificial delays (e.g. "udelay(get_random_int() & 0xff)") introduced
in kernel on paths where items are added to lists.
[1] https://github.com/rouming/test-tools/blob/master/stress-epoll.c
Link: http://lkml.kernel.org/r/20190103150104.17128-5-rpenyaev@suse.de
Signed-off-by: Roman Penyaev <rpenyaev@suse.de>
Cc: Davidlohr Bueso <dbueso@suse.de>
Cc: Jason Baron <jbaron@akamai.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
||
|
Roman Penyaev
|
c3e320b615 |
epoll: unify awaking of wakeup source on ep_poll_callback() path
Original comment "Activate ep->ws since epi->ws may get deactivated at any time" indeed sounds loud, but it is incorrect, because the path where we check epi->ws is a path where insert to ovflist happens, i.e. ep_scan_ready_list() has taken ep->mtx and waits for this callback to finish, thus ep_modify() (which unregisters wakeup source) waits for ep_scan_ready_list(). Here in this patch I simply call ep_pm_stay_awake_rcu(), which is a bit extra for this path (indirectly protected by main ep->mtx, so even rcu is not needed), but I do not want to create another naked __ep_pm_stay_awake() variant only for this particular case, so rcu variant is just better for all the cases. Link: http://lkml.kernel.org/r/20190103150104.17128-4-rpenyaev@suse.de Signed-off-by: Roman Penyaev <rpenyaev@suse.de> Cc: Davidlohr Bueso <dbueso@suse.de> Cc: Jason Baron <jbaron@akamai.com> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Roman Penyaev
|
c141175d01 |
epoll: make sure all elements in ready list are in FIFO order
Patch series "use rwlock in order to reduce ep_poll_callback()
contention", v3.
The last patch targets the contention problem in ep_poll_callback(),
which can be very well reproduced by generating events (write to pipe or
eventfd) from many threads, while consumer thread does polling.
The following are some microbenchmark results based on the test [1]
which starts threads which generate N events each. The test ends when
all events are successfully fetched by the poller thread:
spinlock
========
threads events/ms run-time ms
8 6402 12495
16 7045 22709
32 7395 43268
rwlock + xchg
=============
threads events/ms run-time ms
8 10038 7969
16 12178 13138
32 13223 24199
According to the results bandwidth of delivered events is significantly
increased, thus execution time is reduced.
This patch (of 4):
All coming events are stored in FIFO order and this is also should be
applicable to ->ovflist, which originally is stack, i.e. LIFO.
Thus to keep correct FIFO order ->ovflist should reversed by adding
elements to the head of the read list but not to the tail.
Link: http://lkml.kernel.org/r/20190103150104.17128-2-rpenyaev@suse.de
Signed-off-by: Roman Penyaev <rpenyaev@suse.de>
Reviewed-by: Davidlohr Bueso <dbueso@suse.de>
Cc: Jason Baron <jbaron@akamai.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
||
|
Rasmus Villemoes
|
afe1a715e8 |
btrfs: implement btrfs_debug* in terms of helper macro
First, the btrfs_debug macros open-code (one possible definition of) DYNAMIC_DEBUG_BRANCH, so they don't benefit from the CONFIG_JUMP_LABEL optimization. Second, a planned change of struct _ddebug (to reduce its size on 64 bit machines) requires that all descriptors in a translation unit use distinct identifiers. Using the new _dynamic_func_call_no_desc helper macro from dynamic_debug.h takes care of both of these. No functional change. Link: http://lkml.kernel.org/r/20190212214150.4807-12-linux@rasmusvillemoes.dk Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Acked-by: David Sterba <dsterba@suse.com> Acked-by: Jason Baron <jbaron@akamai.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Petr Mladek <pmladek@suse.com> Cc: "Rafael J . Wysocki" <rafael.j.wysocki@intel.com> Cc: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Rasmus Villemoes
|
f1fffbd447 |
linux/fs.h: move member alignment check next to definition of struct filename
Instead of doing this compile-time check in some slightly arbitrary user of struct filename, put it next to the definition. Link: http://lkml.kernel.org/r/20190208203015.29702-3-linux@rasmusvillemoes.dk Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Kees Cook <keescook@chromium.org> Cc: Luc Van Oostenryck <luc.vanoostenryck@gmail.com> Cc: Masahiro Yamada <yamada.masahiro@socionext.com> Cc: Nick Desaulniers <ndesaulniers@google.com> Cc: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
|
Linus Torvalds
|
be37f21a08 |
audit/stable-5.1 PR 20190305
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||
|
Linus Torvalds
|
ae5906ceee |
Merge branch 'next-general' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull security subsystem updates from James Morris: - Extend LSM stacking to allow sharing of cred, file, ipc, inode, and task blobs. This paves the way for more full-featured LSMs to be merged, and is specifically aimed at LandLock and SARA LSMs. This work is from Casey and Kees. - There's a new LSM from Micah Morton: "SafeSetID gates the setid family of syscalls to restrict UID/GID transitions from a given UID/GID to only those approved by a system-wide whitelist." This feature is currently shipping in ChromeOS. * 'next-general' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (62 commits) keys: fix missing __user in KEYCTL_PKEY_QUERY LSM: Update list of SECURITYFS users in Kconfig LSM: Ignore "security=" when "lsm=" is specified LSM: Update function documentation for cap_capable security: mark expected switch fall-throughs and add a missing break tomoyo: Bump version. LSM: fix return value check in safesetid_init_securityfs() LSM: SafeSetID: add selftest LSM: SafeSetID: remove unused include LSM: SafeSetID: 'depend' on CONFIG_SECURITY LSM: Add 'name' field for SafeSetID in DEFINE_LSM LSM: add SafeSetID module that gates setid calls LSM: add SafeSetID module that gates setid calls tomoyo: Allow multiple use_group lines. tomoyo: Coding style fix. tomoyo: Swicth from cred->security to task_struct->security. security: keys: annotate implicit fall throughs security: keys: annotate implicit fall throughs security: keys: annotate implicit fall through capabilities:: annotate implicit fall through ... |
||
|
Linus Torvalds
|
9e1fd794cb |
Changes for Linux 5.1:
- Fix online fsck to handle inode btrees correctly on 64k block
filesystems.
- Teach online fsck to check directory and attribute names for invalid
characters.
- Miscellanous fixes for online fsck.
- Introduce a new panic mask so that we can halt immediately on
metadata corruption (for debugging purposes)
- Fix a block mapping race during writeback.
- Cache unlinked inode list backrefs in memory to speed up list
processing.
- Separate the bnobt/cntbt and inobt/finobt buffer verifiers so that we
can detect crosslinked btrees.
- Refactor magic number verification so that we can standardize it.
- Strengthen ondisk metadata structure offset build time verification.
- Fix a memory corruption problem in the listxattr code.
- Fix a shutdown problem during log recovery due to unreserved finobt
expansion.
- Fix a referential integrity problem where O_TMPFILE inodes were put on
the unlinked list with nlink > 0 which would cause asserts during log
recovery if the system went down immediately.
- Refactor the delayed allocation allocator to be more clever about the
possibility that its mapping might be stale.
- Various fixes to the copy on write mechanism.
- Make CoW preallocation suitable for use even with writes that wouldn't
otherwise require it.
- Refactor an internal API.
- Fix some statx implementation bugs.
- Fix miscellaneous compiler and static checker complaints.
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Merge tag 'xfs-5.1-merge-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs updates from Darrick Wong:
"Here are a number of new features and bug fixes for 5.1
They've undergone a week's worth of fstesting and merge cleanly with
master as of this morning
Most of the changes center on improving metadata validation and fixing
problems with online fsck, though there's also a new cache to speed up
unlinked inode handling and cleanup of the copy on write code in
preparation for future features
Changes for Linux 5.1:
- Fix online fsck to handle inode btrees correctly on 64k block
filesystems
- Teach online fsck to check directory and attribute names for
invalid characters
- Miscellanous fixes for online fsck
- Introduce a new panic mask so that we can halt immediately on
metadata corruption (for debugging purposes)
- Fix a block mapping race during writeback
- Cache unlinked inode list backrefs in memory to speed up list
processing
- Separate the bnobt/cntbt and inobt/finobt buffer verifiers so that
we can detect crosslinked btrees
- Refactor magic number verification so that we can standardize it
- Strengthen ondisk metadata structure offset build time verification
- Fix a memory corruption problem in the listxattr code
- Fix a shutdown problem during log recovery due to unreserved finobt
expansion
- Fix a referential integrity problem where O_TMPFILE inodes were put
on the unlinked list with nlink > 0 which would cause asserts
during log recovery if the system went down immediately
- Refactor the delayed allocation allocator to be more clever about
the possibility that its mapping might be stale
- Various fixes to the copy on write mechanism
- Make CoW preallocation suitable for use even with writes that
wouldn't otherwise require it
- Refactor an internal API
- Fix some statx implementation bugs
- Fix miscellaneous compiler and static checker complaints"
* tag 'xfs-5.1-merge-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: (70 commits)
xfs: fix reporting supported extra file attributes for statx()
xfs: fix backwards endian conversion in scrub
xfs: fix uninitialized error variables
xfs: rework breaking of shared extents in xfs_file_iomap_begin
xfs: don't pass iomap flags to xfs_reflink_allocate_cow
xfs: fix uninitialized error variable
xfs: introduce an always_cow mode
xfs: report IOMAP_F_SHARED from xfs_file_iomap_begin_delay
xfs: make COW fork unwritten extent conversions more robust
xfs: merge COW handling into xfs_file_iomap_begin_delay
xfs: also truncate holes covered by COW blocks
xfs: don't use delalloc extents for COW on files with extsize hints
xfs: fix SEEK_DATA for speculative COW fork preallocation
xfs: make xfs_bmbt_to_iomap more useful
xfs: fix xfs_buf magic number endian checks
xfs: retry COW fork delalloc conversion when no extent was found
xfs: remove the truncate short cut in xfs_map_blocks
xfs: move xfs_iomap_write_allocate to xfs_aops.c
xfs: move stat accounting to xfs_bmapi_convert_delalloc
xfs: move transaction handling to xfs_bmapi_convert_delalloc
..
|
||
|
Linus Torvalds
|
b1e243957e |
for-5.1-part1-tag
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Merge tag 'for-5.1-part1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs updates from David Sterba:
"This contains usual mix of new features, core changes and fixes; full
list below. I'm planning second pull request, with a few more fixes
that arrived recently but too close to merge window, will send it next
week.
New features:
- support zstd compression levels
- new ioctl to unregister a device from the module (ie. reverse of
device scan)
- scrub prints a message to log when it's about to start or finish
Core changes:
- qgroups can now skip part of a tree that does not get updated
during relocation, because this does not affect the quota
accounting, estimated speedup in run time is about 20%
- the compression workspace management had to be enhanced due to zstd
requirements
- various enospc fixes, when there's high fragmentation the
over-reservation can cause ENOSPC that might not happen after a
flush, in such cases try to wait if the situation improves
Fixes:
- various ioctls could overwrite previous return value if
copy_to_user fails, fix this so the original error is reported
- more reclaim vs GFP_KERNEL fixes
- other cleanups and refactoring
- fix a (valid) lockdep warning in a test when device replace is
destroying worker threads
- make qgroup async transaction commit more aggressive, this avoids
some 'quota limit reached' errors if there are not enough data to
trigger transaction in order to flush
- fix deadlock between snapshot deletion and quotas when backref
walking is called from context that already holds the same locks
- fsync fixes:
- fix fsync after succession of renames of different files
- fix fsync after succession of renames and unlink/rmdir"
* tag 'for-5.1-part1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: (92 commits)
btrfs: Remove unnecessary casts in btrfs_read_root_item
Btrfs: remove assertion when searching for a key in a node/leaf
Btrfs: add missing error handling after doing leaf/node binary search
btrfs: drop the lock on error in btrfs_dev_replace_cancel
btrfs: ensure that a DUP or RAID1 block group has exactly two stripes
btrfs: init csum_list before possible free
Btrfs: remove no longer needed range length checks for deduplication
Btrfs: fix fsync after succession of renames and unlink/rmdir
Btrfs: fix fsync after succession of renames of different files
btrfs: honor path->skip_locking in backref code
btrfs: qgroup: Make qgroup async transaction commit more aggressive
btrfs: qgroup: Move reserved data accounting from btrfs_delayed_ref_head to btrfs_qgroup_extent_record
btrfs: scrub: remove unused nocow worker pointer
btrfs: scrub: add assertions for worker pointers
btrfs: scrub: convert scrub_workers_refcnt to refcount_t
btrfs: scrub: add scrub_lock lockdep check in scrub_workers_get
btrfs: scrub: fix circular locking dependency warning
btrfs: fix comment its device list mutex not volume lock
btrfs: extent_io: Kill the forward declaration of flush_write_bio
btrfs: Fix grossly misleading argument names in extent io search
...
|
||
|
Linus Torvalds
|
0556161ff9 |
\n
-----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEq1nRK9aeMoq1VSgcnJ2qBz9kQNkFAlx5SzMACgkQnJ2qBz9k QNnP0AgAl9HDtk436P4QPPFhdeXBB6uRTYU8wgZSropXMxoyUzqZotWkeUqUusHs I8BAJeQojZeKUnMwET1/RA+dMLsgAlMcxkM3+3eDCLF9wh/+wO2B2G3ywh8KMVed Sa3C4V/NZvZzAossoGDV/yWmK+ZYrrW8l/DM3LU54GV1NfAL+Khn4FNwtgWiYiP5 S4RkRflzwhIEZJSZByMlCLcsrHl/ehtMJuR1opUPY1c0CY8iAGcIobSSzVFqv4f5 ScRB56rnXqTt6CBGBcDIkWxWqEE9XuTdAn1AVMC7327UezyFNocXUZaqDzJcGcR/ rM3sf+seZftbA4nid8dIhSRoqAf4Yw== =/DQr -----END PGP SIGNATURE----- Merge tag 'fsnotify_for_v5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs Pull fanotify updates from Jan Kara: "Support for fanotify directory events and changes to make waiting for fanotify permission event response killable" * tag 'fsnotify_for_v5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs: (25 commits) fanotify: Make waits for fanotify events only killable fanotify: Use interruptible wait when waiting for permission events fanotify: Track permission event state fanotify: Simplify cleaning of access_list fsnotify: Create function to remove event from notification list fanotify: Move locking inside get_one_event() fanotify: Fold dequeue_event() into process_access_response() fanotify: Select EXPORTFS fanotify: report FAN_ONDIR to listener with FAN_REPORT_FID fanotify: add support for create/attrib/move/delete events fanotify: support events with data type FSNOTIFY_EVENT_INODE fanotify: check FS_ISDIR flag instead of d_is_dir() fsnotify: report FS_ISDIR flag with MOVE_SELF and DELETE_SELF events fanotify: use vfs_get_fsid() helper instead of vfs_statfs() vfs: add vfs_get_fsid() helper fanotify: cache fsid in fsnotify_mark_connector fanotify: enable FAN_REPORT_FID init flag fanotify: copy event fid info to user fanotify: encode file identifier for FAN_REPORT_FID fanotify: open code fill_event_metadata() ... |
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Linus Torvalds
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a9913f23f3 |
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Merge tag 'fs_for_v5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs
Pull ext2 and udf fixes from Jan Kara:
"A couple of fixes for udf and ext2. Namely:
- fix making ext2 mountable (again) with 64k blocksize
- fix for ext2 statx(2) handling
- fix for udf handling of corrupted filesystem so that it doesn't get
corrupted even further
- couple smaller ext2 and udf cleanups"
* tag 'fs_for_v5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs:
udf: Drop pointless check from udf_sync_fs()
ext2: support statx syscall
udf: disallow RW mount without valid integrity descriptor
udf: finalize integrity descriptor before writeback
udf: factor out LVID finalization for reuse
ext2: Fix underflow in ext2_max_size()
ext2: Fix a typo in comment
ext2: Remove redundant check for finding no group
ext2: Annotate implicit fall through in __ext2_truncate_blocks
ext2: Set superblock revision when enabling xattr feature
ext2: Remove redundant check on s_inode_size
ext2: set proper return code
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Linus Torvalds
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b39a07a5e0 |
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