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74a6d4b5ae
linux_dsm_epyc7002/fs/nfs
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Trond Myklebust 74a6d4b5ae NFS: Further optimise nfs_lock_and_join_requests() 
When locking the entire group in order to remove subrequests,
the locks are always taken in order, and with the page group
lock being taken after the page head is locked. The intention
is that:

1) The lock on the group head guarantees that requests may not
   be removed from the group (although new entries could be appended
   if we're not holding the group lock).
2) It is safe to drop and retake the page group lock while iterating
   through the list, in particular when waiting for a subrequest lock.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2017-08-15 11:54:47 -04:00
..
blocklayout block: switch bios to blk_status_t 2017-06-09 09:27:32 -06:00
filelayout NFS/filelayout: Fix racy setting of fl->dsaddr in filelayout_check_deviceid() 2017-07-21 14:08:45 -04:00
flexfilelayout nfs/flexfiles: fix leak of nfs4_ff_ds_version arrays 2017-08-08 17:18:10 -04:00
cache_lib.c sunrpc/nfs: cleanup procfs/pipefs entry in cache_detail 2017-02-08 17:02:45 -05:00
cache_lib.h
callback_proc.c nfs: don't cast callback decode/proc/encode routines 2017-07-13 15:57:56 -04:00
callback_xdr.c Chuck's RDMA update overhauls the "call receive" side of the 2017-07-13 13:56:24 -07:00
callback.c sunrpc: mark all struct svc_version instances as const 2017-07-13 15:58:03 -04:00
callback.h nfs: don't cast callback decode/proc/encode routines 2017-07-13 15:57:56 -04:00
client.c mount: copy the port field into the cloned nfs_server structure. 2017-07-19 15:28:21 -04:00
delegation.c NFSv4: Optimise away forced revalidation when we know the attributes are OK 2016-12-01 17:21:37 -05:00
delegation.h NFSv4: nfs_inode_find_state_and_recover() should check all stateids 2016-09-27 14:34:35 -04:00
dir.c NFS client bugfixes for 4.13 2017-07-21 16:26:01 -07:00
direct.c NFS client updates for Linux 4.12 2017-05-10 13:03:38 -07:00
dns_resolve.c
dns_resolve.h
export.c nfs: add export operations 2017-07-13 17:12:04 -04:00
file.c NFS: Optimize fallocate by refreshing mapping when needed. 2017-07-27 11:22:42 -04:00
fscache-index.c
fscache.c
fscache.h
getroot.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
inode.c nfs: add a nfs_ilookup helper 2017-07-13 16:00:15 -04:00
internal.h NFS client updates for Linux 4.13 2017-07-13 14:35:37 -07:00
io.c NFS: Do not serialise O_DIRECT reads and writes 2016-07-05 19:11:04 -04:00
iostat.h
Kconfig pnfs/blocklayout: require 64-bit sector_t 2017-08-11 14:10:13 -04:00
Makefile nfs: add export operations 2017-07-13 17:12:04 -04:00
mount_clnt.c nfs: count correct array for mnt3_counts array size 2017-07-21 08:49:57 -04:00
namespace.c NFS: Use ERR_CAST() to avoid cross-structure cast 2017-05-28 10:11:47 -07:00
netns.h netns: make struct pernet_operations::id unsigned int 2016-11-18 10:59:15 -05:00
nfs2super.c
nfs2xdr.c NFS: convert flags to bool 2017-07-13 15:58:04 -04:00
nfs3_fs.h
nfs3acl.c posix_acl: Inode acl caching fixes 2016-03-31 00:30:15 -04:00
nfs3client.c NFS: Remove unused authflavour parameter from nfs_get_client() 2016-12-01 17:46:32 -05:00
nfs3proc.c NFSv3: Convert nfs3_proc_access() to use nfs_access_set_mask() 2017-07-21 11:51:19 -04:00
nfs3super.c
nfs3xdr.c NFS: convert flags to bool 2017-07-13 15:58:04 -04:00
nfs4_fs.h sunrpc: mark all struct svc_version instances as const 2017-07-13 15:58:03 -04:00
nfs4client.c NFSv4: Fix double frees in nfs4_test_session_trunk() 2017-08-02 09:45:55 -04:00
nfs4file.c NFSv4: add flock_owner to open context 2016-12-01 17:57:27 -05:00
nfs4getroot.c NFS: Clean up nfs4_get_rootfh() 2017-04-20 13:39:35 -04:00
nfs4idmap.c NFS: silence a uninitialized variable warning 2017-07-13 15:58:28 -04:00
nfs4idmap.h
nfs4namespace.c NFS: Remove extra dprintk()s from nfs4namespace.c 2017-04-20 13:39:35 -04:00
nfs4proc.c Some more NFS client bugfixes for 4.13 2017-08-11 13:54:09 -07:00
nfs4renewd.c NFSv4: Set the connection timeout to match the lease period 2017-02-09 14:15:16 -05:00
nfs4session.c NFSv4.1: Fix regression in callback retry handling 2016-12-01 17:21:38 -05:00
nfs4session.h NFS: Make trace_nfs4_setup_sequence() available to NFS v4.0 2017-01-30 13:14:50 -05:00
nfs4state.c NFS client updates for Linux 4.13 2017-07-13 14:35:37 -07:00
nfs4super.c
nfs4sysctl.c
nfs4trace.c
nfs4trace.h nfs4: add NFSv4 LOOKUPP handlers 2017-07-13 16:00:15 -04:00
nfs4xdr.c NFSv4: Fix EXCHANGE_ID corrupt verifier issue 2017-08-01 16:28:55 -04:00
nfs42.h NFS: Add COPY nfs operation 2016-05-17 15:47:55 -04:00
nfs42proc.c NFSv4.2 fix size storage for nfs42_proc_copy 2017-07-13 16:00:14 -04:00
nfs42xdr.c nfs: fix decoder callback prototypes 2017-07-13 15:57:56 -04:00
nfs.h
nfsroot.c
nfstrace.c
nfstrace.h NFS client updates for Linux 4.8 2016-07-30 16:33:25 -07:00
pagelist.c NFS: Ensure we always dereference the page head last 2017-08-15 11:54:46 -04:00
pnfs_dev.c
pnfs_nfs.c Revert commit 722f0b8911 ("pNFS: Don't send COMMITs to the DSes if...") 2017-07-19 15:28:21 -04:00
pnfs.c pnfs: Fix the check for requests in range of layout segment 2017-05-24 07:55:02 -04:00
pnfs.h pnfs: Fix the check for requests in range of layout segment 2017-05-24 07:55:02 -04:00
proc.c NFS: convert flags to bool 2017-07-13 15:58:04 -04:00
read.c NFS: move rw_mode to nfs_pageio_header 2017-04-20 14:00:41 -04:00
super.c NFS client updates for Linux 4.13 2017-07-13 14:35:37 -07:00
symlink.c vfs: remove ".readlink = generic_readlink" assignments 2016-12-09 16:45:04 +01:00
sysctl.c
unlink.c NFS: nfs_rename() - revalidate directories on -ERESTARTSYS 2017-07-13 15:58:04 -04:00
write.c NFS: Further optimise nfs_lock_and_join_requests() 2017-08-15 11:54:47 -04:00