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Olga Kornievskaia 0769663b4f NFSv4.1 fix incorrect return value in copy_file_range 
According to the NFSv4.2 spec if the input and output file is the
same file, operation should fail with EINVAL. However, linux
copy_file_range() system call has no such restrictions. Therefore,
in such case let's return EOPNOTSUPP and allow VFS to fallback
to doing do_splice_direct(). Also when copy_file_range is called
on an NFSv4.0 or 4.1 mount (ie., a server that doesn't support
COPY functionality), we also need to return EOPNOTSUPP and
fallback to a regular copy.

Fixes xfstest generic/075, generic/091, generic/112, generic/263
for all NFSv4.x versions.

Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2019-04-11 15:23:48 -04:00
..
blocklayout
NFS/NFSD/SUNRPC: replace generic creds with 'struct cred'.
2018-12-19 13:52:46 -05:00
filelayout
pNFS: Don't allocate more pages than we need to fit a layoutget response
2018-09-30 15:35:16 -04:00
flexfilelayout
pNFS/flexfiles: Fix layoutstats handling during read failovers
2019-03-23 12:03:58 -04:00
cache_lib.c
NFS client updates for Linux 4.15
2017-11-17 14:18:00 -08:00
cache_lib.h
NFS client updates for Linux 4.15
2017-11-17 14:18:00 -08:00
callback_proc.c
NFSv4.2 copy do not allocate memory under the lock
2018-11-22 13:54:46 -05:00
callback_xdr.c
NFS: Remove print_overflow_msg()
2019-02-13 11:53:45 -05:00
callback.c
nfs: fixed broken compilation in nfs_callback_up_net()
2018-12-31 11:25:16 -05:00
callback.h
NFS CB_OFFLOAD xdr
2018-08-09 12:56:38 -04:00
client.c
NFS: Fix a typo in nfs_init_timeout_values()
2019-03-23 12:03:58 -04:00
delegation.c
NFS: Fix a soft lockup in the delegation recovery code
2019-02-21 14:51:25 -05:00
delegation.h
NFS: Fix a soft lockup in the delegation recovery code
2019-02-21 14:51:25 -05:00
dir.c
NFS: Fix typo in comments of nfs_readdir_alloc_pages()
2019-02-20 17:33:55 -05:00
direct.c
NFS: Pass error information to the pgio error cleanup routine
2019-02-20 15:14:20 -05:00
dns_resolve.c
NFS: Fix up a typo in nfs_dns_ent_put
2018-10-29 16:58:04 -04:00
dns_resolve.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
export.c
NFS: Pass the inode down to the getattr() callback
2018-06-04 12:07:07 -04:00
file.c
pNFS: Avoid read/modify/write when it is not necessary
2019-02-20 17:33:55 -05:00
fscache-index.c
vfs: change inode times to use struct timespec64
2018-06-05 16:57:31 -07:00
fscache.c
vfs: change inode times to use struct timespec64
2018-06-05 16:57:31 -07:00
fscache.h
fscache: Pass object size in rather than calling back for it
2018-04-06 14:05:14 +01:00
getroot.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
inode.c
NFS: Fix up documentation warnings
2019-02-20 15:14:21 -05:00
internal.h
NFS: readdirplus optimization by cache mechanism
2019-02-20 17:33:55 -05:00
io.c
NFS: Fix up documentation warnings
2019-02-20 15:14:21 -05:00
iostat.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
Kconfig
pnfs/blocklayout: require 64-bit sector_t
2017-08-11 14:10:13 -04:00
Makefile
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
mount_clnt.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
namespace.c
NFS: Fix up documentation warnings
2019-02-20 15:14:21 -05:00
netns.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nfs2super.c
NFS: Convert v2 into a module
2012-07-30 19:06:41 -04:00
nfs2xdr.c
NFS: Account for XDR pad of buf->pages
2019-02-14 10:13:49 -05:00
nfs3_fs.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nfs3acl.c
nfs: fix xfstest generic/099 failed on nfsv3
2019-02-20 17:33:55 -05:00
nfs3client.c
NFS: Remove unused authflavour parameter from nfs_get_client()
2016-12-01 17:46:32 -05:00
nfs3proc.c
NFS/NFSD/SUNRPC: replace generic creds with 'struct cred'.
2018-12-19 13:52:46 -05:00
nfs3super.c
nfsv3: introduce nfs3_set_ds_client
2015-02-03 11:06:34 -08:00
nfs3xdr.c
NFS: Account for XDR pad of buf->pages
2019-02-14 10:13:49 -05:00
nfs4_fs.h
sunrpc: Add xprt after nfs4_test_session_trunk()
2019-01-02 12:05:19 -05:00
nfs4client.c
NFS: drop useless LIST_HEAD
2019-02-20 17:33:55 -05:00
nfs4file.c
NFSv4.1 fix incorrect return value in copy_file_range
2019-04-11 15:23:48 -04:00
nfs4getroot.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nfs4idmap.c
keys: Fix dependency loop between construction record and auth key
2019-02-15 14:12:09 -08:00
nfs4idmap.h
NFS: Move nfs_idmap.h into fs/nfs/
2015-04-23 15:16:14 -04:00
nfs4namespace.c
NFS: Fix up documentation warnings
2019-02-20 15:14:21 -05:00
nfs4proc.c
NFSv4.1 don't free interrupted slot on open
2019-03-19 13:17:49 -04:00
nfs4renewd.c
NFS/NFSD/SUNRPC: replace generic creds with 'struct cred'.
2018-12-19 13:52:46 -05:00
nfs4session.c
NFSv4.1: Avoid false retries when RPC calls are interrupted
2019-02-21 13:22:43 -05:00
nfs4session.h
NFSv4.1: Bump the default callback session slot count to 16
2019-03-02 16:25:26 -05:00
nfs4state.c
NFS: Fix up documentation warnings
2019-02-20 15:14:21 -05:00
nfs4super.c
NFS: Move nfs_idmap.h into fs/nfs/
2015-04-23 15:16:14 -04:00
nfs4sysctl.c
nfs: Do not convert nfs_idmap_cache_timeout to jiffies
2018-01-18 15:10:47 -05:00
nfs4trace.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nfs4trace.h
NFS: Add trace events to report non-zero NFS status codes
2019-02-13 12:03:21 -05:00
nfs4xdr.c
NFS: Fix handling of reply page vector
2019-04-11 15:23:48 -04:00
nfs42.h
NFSv4.2: Add client support for the generic 'layouterror' RPC call
2019-03-01 16:20:16 -05:00
nfs42proc.c
NFSv4.1 fix incorrect return value in copy_file_range
2019-04-11 15:23:48 -04:00
nfs42xdr.c
NFSv4.2: Add client support for the generic 'layouterror' RPC call
2019-03-01 16:20:16 -05:00
nfs.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nfsroot.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
nfstrace.c
NFS: Add trace events to report non-zero NFS status codes
2019-02-13 12:03:21 -05:00
nfstrace.h
NFS: Add trace events to report non-zero NFS status codes
2019-02-13 12:03:21 -05:00
pagelist.c
NFS: Fix up documentation warnings
2019-02-20 15:14:21 -05:00
pnfs_dev.c
NFS/flexfiles: Speed up read failover when DSes are down
2019-03-01 22:37:38 -05:00
pnfs_nfs.c
NFS/NFSD/SUNRPC: replace generic creds with 'struct cred'.
2018-12-19 13:52:46 -05:00
pnfs.c
pNFS: Fix a typo in pnfs_update_layout
2019-03-12 16:04:51 -04:00
pnfs.h
NFS/flexfiles: Speed up read failover when DSes are down
2019-03-01 22:37:38 -05:00
proc.c
NFS/NFSD/SUNRPC: replace generic creds with 'struct cred'.
2018-12-19 13:52:46 -05:00
read.c
NFS: Pass error information to the pgio error cleanup routine
2019-02-20 15:14:20 -05:00
super.c
NFS: Forbid setting AF_INET6 to "struct sockaddr_in"->sin_family.
2019-04-11 15:23:48 -04:00
symlink.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
sysctl.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
unlink.c
NFS: Fix up documentation warnings
2019-02-20 15:14:21 -05:00
write.c
NFS: Fix up documentation warnings
2019-02-20 15:14:21 -05:00