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837bb1d752
android_kernel_samsung_sm8650/fs/nfs
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Trond Myklebust 837bb1d752 NFSv4.2: Fix writeback races in nfs4_copy_file_range 
We need to ensure that any writes to the destination file are serialised
with the copy, meaning that the writeback has to occur under the inode lock.

Also relax the writeback requirement on the source, and rely on the
stateid checking to tell us if the source rebooted. Add the helper
nfs_filemap_write_and_wait_range() to call pnfs_sync_inode() as
is appropriate for pNFS servers that may need a layoutcommit.

Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
2016-07-05 19:11:07 -04:00
..
blocklayout mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
filelayout pNFS: Files and flexfiles always need to commit before layoutcommit 2016-07-05 19:08:01 -04:00
flexfilelayout pNFS: Files and flexfiles always need to commit before layoutcommit 2016-07-05 19:08:01 -04:00
objlayout mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
cache_lib.c NFS: simplify and clean cache library 2013-02-15 10:43:36 -05:00
cache_lib.h NFS: simplify and clean cache library 2013-02-15 10:43:36 -05:00
callback_proc.c pnfs: only tear down lsegs that precede seqid in LAYOUTRETURN args 2016-05-17 15:48:10 -04:00
callback_xdr.c NFSv4: Label stateids with the type 2016-05-17 15:48:06 -04:00
callback.c NFS: Enable client side NFSv4.1 backchannel to use other transports 2015-11-02 16:29:13 -05:00
callback.h NFSv4.x: Allow multiple callbacks in flight 2016-01-25 09:36:21 -05:00
client.c mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
delegation.c NFSv4: Use the right stateid for delegations in setattr, read and write 2016-05-17 15:48:07 -04:00
delegation.h NFSv4: Use the right stateid for delegations in setattr, read and write 2016-05-17 15:48:07 -04:00
dir.c NFS: Cache access checks more aggressively 2016-06-15 16:36:01 -04:00
direct.c NFS: Cleanup nfs_direct_complete() 2016-07-05 19:11:04 -04:00
dns_resolve.c NFS: Enabling v4.2 should not recompile nfsd and lockd 2013-11-19 16:20:40 -05:00
dns_resolve.h NFS: DNS resolver cache per network namespace context introduced 2012-01-31 18:20:26 -05:00
file.c NFS: Remove redundant waits for O_DIRECT in fsync() and write_begin() 2016-07-05 19:11:05 -04:00
fscache-index.c NFS: Fabricate fscache server index key correctly 2014-09-25 21:25:18 -04:00
fscache.c nfs: define nfs_inc_fscache_stats and using it as possible 2014-11-24 20:08:47 -05:00
fscache.h NFS: Use i_writecount to control whether to get an fscache cookie in nfs_open() 2013-09-27 18:40:25 +01:00
getroot.c VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
inode.c NFS: Getattr doesn't require data sync semantics 2016-07-05 19:11:06 -04:00
internal.h NFSv4.2: Fix writeback races in nfs4_copy_file_range 2016-07-05 19:11:07 -04:00
io.c NFS: Do not serialise O_DIRECT reads and writes 2016-07-05 19:11:04 -04:00
iostat.h nfs: define nfs_inc_fscache_stats and using it as possible 2014-11-24 20:08:47 -05:00
Kconfig kernel: conditionally support non-root users, groups and capabilities 2015-04-15 16:35:22 -07:00
Makefile NFS: Do not serialise O_DIRECT reads and writes 2016-07-05 19:11:04 -04:00
mount_clnt.c NFS: Remove unneeded NFS_DEBUG checking before define NFSDBG_FACILITY 2015-10-21 15:49:23 -05:00
namespace.c VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
netns.h pnfs/blocklayout: serialize GETDEVICEINFO calls 2014-11-12 14:22:52 -05:00
nfs2super.c NFS: Convert v2 into a module 2012-07-30 19:06:41 -04:00
nfs2xdr.c nfs: save server READ/WRITE/COMMIT status 2015-02-03 11:06:40 -08:00
nfs3_fs.h nfsv3: introduce nfs3_set_ds_client 2015-02-03 11:06:34 -08:00
nfs3acl.c posix_acl: Inode acl caching fixes 2016-03-31 00:30:15 -04:00
nfs3client.c nfs: set hostname when creating nfsv3 ds connection 2015-02-03 11:06:38 -08:00
nfs3proc.c VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
nfs3super.c nfsv3: introduce nfs3_set_ds_client 2015-02-03 11:06:34 -08:00
nfs3xdr.c xprtrdma: Fix large NFS SYMLINK calls 2015-08-05 16:21:28 -04:00
nfs4_fs.h NFSv4: Use the right stateid for delegations in setattr, read and write 2016-05-17 15:48:07 -04:00
nfs4client.c nfs4: start callback_ident at idr 1 2015-11-23 21:59:42 -05:00
nfs4file.c NFSv4.2: Fix writeback races in nfs4_copy_file_range 2016-07-05 19:11:07 -04:00
nfs4getroot.c nfs: Remove invalid NFS_ATTR_FATTR_V4_REFERRAL checking in nfs4_get_rootfh 2015-07-01 11:31:22 -04:00
nfs4idmap.c KEYS: Add a facility to restrict new links into a keyring 2016-04-11 22:37:37 +01:00
nfs4idmap.h NFS: Move nfs_idmap.h into fs/nfs/ 2015-04-23 15:16:14 -04:00
nfs4namespace.c VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
nfs4proc.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2016-05-27 17:14:05 -07:00
nfs4renewd.c NFSv4.1: Fix an NFSv4.1 state renewal regression 2014-09-30 17:18:42 -04:00
nfs4session.c NFSv4.x: Allow multiple callbacks in flight 2016-01-25 09:36:21 -05:00
nfs4session.h NFSv4.x: Allow multiple callbacks in flight 2016-01-25 09:36:21 -05:00
nfs4state.c nfs: fix anonymous member initializer build failure with older compilers 2016-05-27 17:20:27 -07:00
nfs4super.c NFS: Move nfs_idmap.h into fs/nfs/ 2015-04-23 15:16:14 -04:00
nfs4sysctl.c nfs: do not initialise statics to 0 2015-12-28 09:57:15 -05:00
nfs4trace.c pNFS: Modify pnfs_update_layout tracepoints to use layout stateid 2015-12-28 09:57:14 -05:00
nfs4trace.h pnfs: rework LAYOUTGET retry handling 2016-05-17 15:48:12 -04:00
nfs4xdr.c pNFS: Files and flexfiles always need to commit before layoutcommit 2016-07-05 19:08:01 -04:00
nfs42.h NFS: Add COPY nfs operation 2016-05-17 15:47:55 -04:00
nfs42proc.c NFSv4.2: Fix writeback races in nfs4_copy_file_range 2016-07-05 19:11:07 -04:00
nfs42xdr.c NFS: Add COPY nfs operation 2016-05-17 15:47:55 -04:00
nfs.h NFS: Convert v4 into a module 2012-07-30 19:06:52 -04:00
nfsroot.c nfsroot: make nfsroot to accept the 1024 bytes long directory name 2015-10-21 15:49:19 -05:00
nfstrace.c NFSv4: Allow tracing of NFSv4 fsync calls 2015-03-27 12:39:34 -04:00
nfstrace.h NFS: Kill NFS_INO_NFS_INO_FLUSHING: it is a performance killer 2016-06-22 09:59:42 -04:00
pagelist.c NFS: Add nfs_commit_file() 2016-05-17 15:47:55 -04:00
pnfs_dev.c NFSv4.1: Don't cache deviceids that have no notifications 2015-03-27 12:32:24 -04:00
pnfs_nfs.c pNFS: Files and flexfiles always need to commit before layoutcommit 2016-07-05 19:08:01 -04:00
pnfs.c pNFS: Files and flexfiles always need to commit before layoutcommit 2016-07-05 19:08:01 -04:00
pnfs.h pNFS: pnfs_layoutcommit_outstanding() is no longer used when !CONFIG_NFS_V4_1 2016-07-05 19:11:01 -04:00
proc.c VFS: normal filesystems (and lustre): d_inode() annotations 2015-04-15 15:06:57 -04:00
read.c mm, fs: get rid of PAGE_CACHE_* and page_cache_{get,release} macros 2016-04-04 10:41:08 -07:00
super.c xprtrdma: Add rdma6 option to support NFS/RDMA IPv6 2016-05-17 15:47:56 -04:00
symlink.c switch ->get_link() to delayed_call, kill ->put_link() 2015-12-30 13:01:03 -05:00
sysctl.c nfs: convert use of typedef ctl_table to struct ctl_table 2014-06-06 16:08:16 -07:00
unlink.c nfs: per-name sillyunlink exclusion 2016-05-09 11:39:45 -04:00
write.c NFSv4.2: Fix writeback races in nfs4_copy_file_range 2016-07-05 19:11:07 -04:00