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563c53e73b
linux/fs/nfs
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Trond Myklebust 563c53e73b NFS: Fix flexfiles read failover 
The current mirrored read failover code is correctly resetting the mirror
index between failed reads, however it is not able to actually flip the
RPC call over to the next RPC client.
The end result is that we keep resending the RPC call to the same client
over and over.

The fix is to use the pnfs_read_resend_pnfs() mechanism to schedule a
new RPC call, but we need to add the ability to pass in a mirror
index so that we always retry the next mirror in the list.

Fixes: 166bd5b889 ("pNFS/flexfiles: Fix layoutstats handling during read failovers")
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
2020-08-12 11:20:29 -04:00
..
blocklayout rpc_pipefs: convert comma to semicolon 2020-08-12 09:46:22 -04:00
filelayout NFS/pNFS: Clean up pNFS commit operations 2020-03-27 16:34:35 -04:00
flexfilelayout NFS: Fix flexfiles read failover 2020-08-12 11:20:29 -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: Add support for CB_RECALL_ANY for flexfiles layouts 2020-03-16 08:34:30 -04:00
callback_xdr.c NFS4: Report callback authentication errors 2020-01-15 10:54:31 -05:00
callback.c SUNRPC: Cache the process user cred in the RPC server listener 2019-04-24 09:46:35 -04:00
callback.h NFSv4: Add support for CB_RECALL_ANY for flexfiles layouts 2020-03-16 08:34:30 -04:00
client.c NFSv4.2: query the server for extended attribute support 2020-07-13 17:52:45 -04:00
delegation.c NFS: Beware when dereferencing the delegation cred 2020-04-03 18:26:02 -04:00
delegation.h NFSv4: Ensure the delegation is pinned in nfs_do_return_delegation() 2020-02-13 16:18:50 -05:00
dir.c NFSv4.2: query the extended attribute access bits 2020-07-13 17:52:45 -04:00
direct.c NFS: remove redundant initialization of variable result 2020-07-28 11:04:06 -04:00
dns_resolve.c NFS: remove duplicate headers 2020-05-27 10:10:12 -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: Add a tracepoint in nfs_fh_to_dentry() 2019-11-03 21:28:46 -05:00
file.c nfs: nfs_file_write() should check for writeback errors 2020-08-04 23:16:36 -04:00
fs_context.c fs: nfs: delete repeated words in comments 2020-08-12 09:46:22 -04:00
fscache-index.c nfs: fscache: use timespec64 in inode auxdata 2020-01-15 10:54:30 -05:00
fscache.c NFSv4: Fix fscache cookie aux_data to ensure change_attr is included 2020-05-08 22:20:24 +01:00
fscache.h nfs: fscache: use timespec64 in inode auxdata 2020-01-15 10:54:30 -05:00
getroot.c NFS: Ensure security label is set for root inode 2020-03-30 19:56:50 -04:00
inode.c Merge branch 'xattr-devel' 2020-07-17 10:35:48 -04:00
internal.h mm/writeback: discard NR_UNSTABLE_NFS, use NR_WRITEBACK instead 2020-06-02 10:59:08 -07:00
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 Documentation: nfsroot.rst: Fix references to nfsroot.rst 2020-03-02 13:11:46 -07:00
Makefile NFSv4.2: add client side xattr caching. 2020-07-13 17:52:46 -04:00
mount_clnt.c NFSv3: fix rpc receive buffer size for MOUNT call 2020-05-14 18:42:44 -04:00
namespace.c NFS: Add a module parameter to set nfs_mountpoint_expiry_timeout 2020-04-02 18:53:59 -04:00
netns.h NFS: Add sysfs support for per-container identifier 2019-07-06 14:54:49 -04:00
nfs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
nfs2super.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
nfs2xdr.c nfs: remove timespec from xdr_encode_nfstime 2020-01-15 10:54:30 -05:00
nfs3_fs.h NFS: Additional refactoring for fs_context conversion 2020-01-15 10:15:17 -05:00
nfs3acl.c nfs: Fix potential posix_acl refcnt leak in nfs3_set_acl 2020-04-20 09:58:59 -04:00
nfs3client.c NFS: Additional refactoring for fs_context conversion 2020-01-15 10:15:17 -05:00
nfs3proc.c NFS: move dprintk after nfs_alloc_fattr in nfs3_proc_lookup 2020-05-27 10:08:26 -04:00
nfs3super.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
nfs3xdr.c NFS/pnfs: Fix pnfs_generic_prepare_to_resend_writes() 2020-01-15 10:54:32 -05:00
nfs4_fs.h NFSv4.2: add client side xattr caching. 2020-07-13 17:52:46 -04:00
nfs4client.c NFSv4.0 allow nconnect for v4.0 2020-07-17 13:16:23 -04:00
nfs4file.c nfs: ensure correct writeback errors are returned on close() 2020-08-01 15:37:48 -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 Revert "Merge tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs" 2019-07-10 18:43:43 -07:00
nfs4idmap.h
nfs4namespace.c nfs: Fix memory leak of export_path 2020-06-26 08:43:14 -04:00
nfs4proc.c nfs: Fix getxattr kernel panic and memory overflow 2020-08-12 09:46:22 -04:00
nfs4renewd.c NFSv4.0: nfs4_do_fsinfo() should not do implicit lease renewals 2020-02-04 12:27:55 -05:00
nfs4session.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
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 NULL deference in nfs4_get_valid_delegation 2020-05-11 14:05:58 -04:00
nfs4super.c NFSv4.2: add client side xattr caching. 2020-07-13 17:52:46 -04:00
nfs4sysctl.c nfs: Do not convert nfs_idmap_cache_timeout to jiffies 2018-01-18 15:10:47 -05:00
nfs4trace.c pNFS/flexfiles: Add tracing for layout errors 2020-01-15 10:54:33 -05:00
nfs4trace.h NFS: Add layout segment info to pnfs read/write/commit tracepoints 2020-08-12 09:46:05 -04:00
nfs4xdr.c fs: nfs: delete repeated words in comments 2020-08-12 09:46:22 -04:00
nfs42.h NFSv4.2: add the extended attribute proc functions. 2020-07-13 17:52:45 -04:00
nfs42proc.c NFS: Add tracepoints for layouterror and layoutstats. 2020-08-05 07:27:44 -04:00
nfs42xattr.c NFSv4.2: xattr cache: get rid of cache discard work queue 2020-07-30 15:51:44 -04:00
nfs42xdr.c NFSv4.2: add client side XDR handling for extended attributes 2020-07-13 17:52:45 -04:00
nfsroot.c nfsroot: set tcp as the default transport protocol 2020-03-25 08:45:47 -04:00
nfstrace.c NFS: Add trace events to report non-zero NFS status codes 2019-02-13 12:03:21 -05:00
nfstrace.h nfs: define and use the NFS_INO_INVALID_XATTR flag 2020-07-13 17:52:45 -04:00
pagelist.c NFS: Add a tracepoint in nfs_set_pgio_error() 2020-06-11 13:33:48 -04:00
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/pnfs: Don't use RPC_TASK_CRED_NOREF with pnfs 2020-05-13 09:55:36 -04:00
pnfs.c NFS: Fix flexfiles read failover 2020-08-12 11:20:29 -04:00
pnfs.h NFS: Fix flexfiles read failover 2020-08-12 11:20:29 -04:00
proc.c NFS: Add softreval behaviour to nfs_lookup_revalidate() 2020-01-24 16:51:13 -05:00
read.c NFS: Trace short NFS READs 2020-06-11 13:33:48 -04:00
super.c Merge tag 'fscache-fixes-20200508-2' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs 2020-05-11 14:06:50 -04:00
symlink.c nfs: pass the correct prototype to read_cache_page 2019-05-09 16:26:57 -04:00
sysctl.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sysfs.c fs: nfs: sysfs: Remove NULL check before kfree 2019-11-18 10:38:04 +01:00
sysfs.h NFS: Use the correct style for SPDX License Identifier 2020-05-27 10:08:26 -04:00
unlink.c NFS: Avoid referencing the cred twice in async rename/unlink 2020-03-16 08:34:29 -04:00
write.c mm/writeback: discard NR_UNSTABLE_NFS, use NR_WRITEBACK instead 2020-06-02 10:59:08 -07:00