AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/fs
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Paulo Alcantara d308202c1b cifs: do not send close in compound create+close requests 
commit 04ad69c342fc4de5bd23be9ef15ea7574fb1a87e upstream.

In case of interrupted syscalls, prevent sending CLOSE commands for
compound CREATE+CLOSE requests by introducing an
CIFS_CP_CREATE_CLOSE_OP flag to indicate lower layers that it should
not send a CLOSE command to the MIDs corresponding the compound
CREATE+CLOSE request.

A simple reproducer:

    #!/bin/bash

    mount //server/share /mnt -o username=foo,password=***
    tc qdisc add dev eth0 root netem delay 450ms
    stat -f /mnt &>/dev/null & pid=$!
    sleep 0.01
    kill $pid
    tc qdisc del dev eth0 root
    umount /mnt

Before patch:

    ...
    6 0.256893470 192.168.122.2 → 192.168.122.15 SMB2 402 Create Request File: ;GetInfo Request FS_INFO/FileFsFullSizeInformation;Close Request
    7 0.257144491 192.168.122.15 → 192.168.122.2 SMB2 498 Create Response File: ;GetInfo Response;Close Response
    9 0.260798209 192.168.122.2 → 192.168.122.15 SMB2 146 Close Request File:
   10 0.260841089 192.168.122.15 → 192.168.122.2 SMB2 130 Close Response, Error: STATUS_FILE_CLOSED

Signed-off-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
CC: <stable@vger.kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-03-17 17:06:28 +01:00
..
9p fs: 9p: add generic splice_write file operation 2020-12-01 21:40:47 +01:00
adfs Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-10-24 12:26:05 -07:00
affs fs/affs: release old buffer head on error path 2021-03-04 11:38:37 +01:00
afs rxrpc: Fix deadlock around release of dst cached on udp tunnel 2021-02-10 09:29:13 +01:00
autofs autofs: harden ioctl table 2020-10-16 11:11:22 -07:00
befs
bfs bfs: don't use WARNING: string when it's just info. 2021-01-06 14:56:52 +01:00
btrfs btrfs: don't flush from btrfs_delayed_inode_reserve_metadata 2021-03-11 14:17:22 +01:00
cachefiles cachefiles: Drop superfluous readpages aops NULL check 2021-01-27 11:55:22 +01:00
ceph ceph: fix flush_snap logic after putting caps 2021-03-04 11:38:08 +01:00
cifs cifs: do not send close in compound create+close requests 2021-03-17 17:06:28 +01:00
coda
configfs fs: configfs: delete repeated words in comments 2020-10-16 11:11:19 -07:00
cramfs
crypto fscrypt: add fscrypt_is_nokey_name() 2020-12-26 16:02:43 +01:00
debugfs debugfs: do not attempt to create a new file before the filesystem is initalized 2021-03-04 11:37:17 +01:00
devpts
dlm networking changes for the 5.10 merge window 2020-10-15 18:42:13 -07:00
ecryptfs
efivarfs efivarfs: revert "fix memory leak in efivarfs_create()" 2020-11-25 16:55:02 +01:00
efs
erofs erofs: fix shift-out-of-bounds of blkszbits 2021-03-07 12:34:05 +01:00
exfat exfat: fix shift-out-of-bounds in exfat_fill_super() 2021-03-04 11:38:41 +01:00
exportfs
ext2 Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-10-24 12:26:05 -07:00
ext4 ext4: don't try to processed freed blocks until mballoc is initialized 2021-03-17 17:06:25 +01:00
f2fs f2fs: fix to set/clear I_LINKABLE under i_lock 2021-03-07 12:34:12 +01:00
fat
freevxfs
fscache
fuse fuse: fix bad inode 2021-01-09 13:46:24 +01:00
gfs2 gfs2: Recursive gfs2_quota_hold in gfs2_iomap_end 2021-03-04 11:38:44 +01:00
hfs fs: Replace zero-length array with flexible-array member 2020-10-29 17:22:59 -05:00
hfsplus fs: Replace zero-length array with flexible-array member 2020-10-29 17:22:59 -05:00
hostfs
hpfs
hugetlbfs mm: hugetlbfs: fix cannot migrate the fallocated HugeTLB page 2021-02-10 09:29:20 +01:00
iomap iomap: clean up writeback state logic on writepage error 2020-11-04 08:52:46 -08:00
isofs isofs: release buffer head before return 2021-03-04 11:38:00 +01:00
jbd2 jbd2: fix kernel-doc markups 2020-11-19 22:38:29 -05:00
jffs2 jffs2: fix use after free in jffs2_sum_write_data() 2021-03-04 11:37:51 +01:00
jfs JFS: more checks for invalid superblock 2021-03-07 12:34:04 +01:00
kernfs kernfs: wire up ->splice_read and ->splice_write 2021-01-27 11:55:29 +01:00
lockd lockd: don't use interval-based rebinding over TCP 2020-12-30 11:53:30 +01:00
minix
nfs NFSv4: Fixes for nfs4_bitmask_adjust() 2021-03-04 11:38:20 +01:00
nfs_common nfs_common: need lock during iterate through the list 2020-12-30 11:53:45 +01:00
nfsd nfsd: register pernet ops last, unregister first 2021-03-04 11:38:07 +01:00
nilfs2 nilfs2: make splice write available again 2021-02-13 13:55:16 +01:00
nls
notify fanotify: Fix sys_fanotify_mark() on native x86-32 2021-01-17 14:16:59 +01:00
ntfs ntfs: check for valid standard information attribute 2021-02-26 10:13:00 +01:00
ocfs2 ocfs2: fix a use after free on error 2021-03-04 11:38:18 +01:00
omfs
openpromfs
orangefs
overlayfs ovl: expand warning in ovl_d_real() 2021-02-17 11:02:30 +01:00
proc proc: don't allow async path resolution of /proc/thread-self components 2021-03-04 11:38:42 +01:00
pstore pstore: Fix typo in compression option name 2021-03-04 11:38:33 +01:00
qnx4
qnx6
quota quota: Fix memory leak when handling corrupted quota file 2021-03-04 11:37:53 +01:00
ramfs ramfs: fix nommu mmap with gaps in the page cache 2020-10-16 11:11:22 -07:00
reiserfs reiserfs: add check for an invalid ih_entry_count 2021-01-06 14:56:52 +01:00
romfs Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-10-24 12:26:05 -07:00
squashfs squashfs: add more sanity checks in xattr id lookup 2021-02-13 13:55:19 +01:00
sysfs
sysv
tracefs
ubifs ubifs: Fix error return code in alloc_wbufs() 2021-03-04 11:37:51 +01:00
udf udf: fix silent AED tagLocation corruption 2021-03-17 17:06:23 +01:00
ufs Merge branch 'work.misc' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-10-24 12:26:05 -07:00
unicode
vboxsf Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2020-10-15 15:11:56 -07:00
verity
xfs xfs: Fix assert failure in xfs_setattr_size() 2021-03-07 12:34:05 +01:00
zonefs zonefs: Fix file size of zones in full condition 2021-03-04 11:38:41 +01:00
aio.c vfs: separate __sb_start_write into blocking and non-blocking helpers 2020-11-10 16:53:07 -08:00
anon_inodes.c
attr.c
bad_inode.c
binfmt_aout.c
binfmt_elf_fdpic.c binfmt_elf, binfmt_elf_fdpic: use a VMA list snapshot 2020-10-16 11:11:21 -07:00
binfmt_elf.c fs: Replace zero-length array with flexible-array member 2020-10-29 17:22:59 -05:00
binfmt_em86.c
binfmt_flat.c
binfmt_misc.c
binfmt_script.c
block_dev.c block: Try to handle busy underlying device on discard 2021-03-17 17:06:27 +01:00
buffer.c mm, memcg: rework remote charging API to support nesting 2020-10-18 09:27:09 -07:00
char_dev.c
compat_binfmt_elf.c
coredump.c coredump: fix core_pattern parse error 2020-12-06 10:19:07 -08:00
d_path.c fs: fix NULL dereference due to data race in prepend_path() 2020-10-14 14:54:45 -07:00
dax.c mm: provide a saner PTE walking API for modules 2021-02-26 10:13:01 +01:00
dcache.c
dcookies.c
direct-io.c \n 2020-10-15 15:03:10 -07:00
drop_caches.c
eventfd.c
eventpoll.c kcmp: Support selection of SYS_kcmp without CHECKPOINT_RESTORE 2021-03-04 11:38:41 +01:00
exec.c exec: Transform exec_update_mutex into a rw_semaphore 2021-01-09 13:46:24 +01:00
fcntl.c fcntl: Fix potential deadlock in send_sig{io, urg}() 2021-01-06 14:56:53 +01:00
fhandle.c
file_table.c task_work: cleanup notification modes 2020-10-17 15:05:30 -06:00
file.c kernel/io_uring: cancel io_uring before task works 2021-01-30 13:55:18 +01:00
filesystems.c
fs_context.c
fs_parser.c fs_parse: mark fs_param_bad_value() as static 2020-10-13 18:38:27 -07:00
fs_pin.c
fs_struct.c
fs_types.c
fs-writeback.c fs: fix lazytime expiration handling in __writeback_single_inode() 2021-01-27 11:54:53 +01:00
fsopen.c
init.c
inode.c fs: Handle I_DONTCACHE in iput_final() instead of generic_drop_inode() 2020-12-30 11:53:49 +01:00
internal.h
io_uring.c io_uring: ignore double poll add on the same waitqueue head 2021-03-09 11:11:12 +01:00
io-wq.c io_uring: always batch cancel in *cancel_files() 2021-02-13 13:54:56 +01:00
io-wq.h io_uring: always batch cancel in *cancel_files() 2021-02-13 13:54:56 +01:00
ioctl.c
Kconfig tmpfs: disallow CONFIG_TMPFS_INODE64 on alpha 2021-02-17 11:02:21 +01:00
Kconfig.binfmt
kernel_read_file.c
libfs.c libfs: fix error cast of negative value in simple_attr_write() 2020-11-22 10:48:22 -08:00
locks.c
Makefile Refactored code for 5.10: 2020-10-23 11:33:41 -07:00
mbcache.c
mount.h
mpage.c
namei.c fs: make unlazy_walk() error handling consistent 2021-03-07 12:34:11 +01:00
namespace.c umount(2): move the flag validity checks first 2021-01-19 18:27:32 +01:00
no-block.c
nsfs.c
open.c openat2: reject RESOLVE_BENEATH|RESOLVE_IN_ROOT 2020-12-30 11:54:24 +01:00
pipe.c fs/pipe: allow sendfile() to pipe again 2021-01-27 11:55:29 +01:00
pnode.c
pnode.h mount: fix mounting of detached mounts onto targets that reside on shared mounts 2021-03-17 17:06:13 +01:00
posix_acl.c
proc_namespace.c proc mountinfo: make splice available again 2020-12-30 11:54:02 +01:00
read_write.c Refactored code for 5.10: 2020-10-23 11:33:41 -07:00
readdir.c
remap_range.c vfs: move the remap range helpers to remap_range.c 2020-10-15 09:48:49 -07:00
select.c poll: fix performance regression due to out-of-line __put_user() 2021-01-19 18:27:27 +01:00
seq_file.c fix return values of seq_read_iter() 2020-11-15 22:12:53 -05:00
signalfd.c
splice.c io_uring-5.10-2020-10-24 2020-10-24 12:40:18 -07:00
stack.c
stat.c
statfs.c
super.c vfs: move __sb_{start,end}_write* to fs.h 2020-11-10 16:53:11 -08:00
sync.c
timerfd.c
userfaultfd.c mm: remove the now-unnecessary mmget_still_valid() hack 2020-10-16 11:11:22 -07:00
utimes.c
xattr.c fs/xattr.c: fix kernel-doc warnings for setxattr & removexattr 2020-10-13 18:38:27 -07:00