AuxXxilium/linux_dsm_epyc7002
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568e8c494d
linux_dsm_epyc7002/fs/nfs
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Andy Adamson 568e8c494d NFSv4.1: turn off pNFS on ds connection failure 
If a data server is unavailable, go through MDS.

Mark the deviceid containing the data server as a negative cache entry.
Do not try to connect to any data server on a deviceid marked as a negative
cache entry. Mark any layout that tries to use the marked deviceid as failed.

Inodes with a layout marked as fails will not use the layout for I/O, and will
not perform any more layoutgets.
Inodes without a layout will still do layoutget, but the layout will get
marked immediately.

Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-03-11 15:38:43 -05:00
..
cache_lib.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
cache_lib.h NFS: Add a dns resolver for use with NFSv4 referrals and migration 2009-08-19 18:22:15 -04:00
callback_proc.c pnfs: fix pnfs lock inversion of i_lock and cl_lock 2011-03-11 15:38:40 -05:00
callback_xdr.c NFS do not find client in NFSv4 pg_authenticate 2011-01-25 15:26:51 -05:00
callback.c NFS do not find client in NFSv4 pg_authenticate 2011-01-25 15:26:51 -05:00
callback.h NFS do not find client in NFSv4 pg_authenticate 2011-01-25 15:26:51 -05:00
client.c NFSv4.1: data server connection 2011-03-11 15:38:42 -05:00
delegation.c NFS: Fix an NFS client lockdep issue 2011-01-28 13:37:09 -05:00
delegation.h NFS: Move cl_delegations to the nfs_server struct 2011-01-06 14:57:46 -05:00
dir.c NFS: Use d_automount() rather than abusing follow_link() 2011-01-15 20:07:34 -05:00
direct.c NFS: remove pointless if statement in nfs_direct_write_result 2011-03-11 15:38:40 -05:00
dns_resolve.c sunrpc: use seconds since boot in expiry cache 2010-09-07 19:21:20 -04:00
dns_resolve.h NFS: Use kernel DNS resolver [ver #2] 2010-08-11 17:11:28 +00:00
file.c NFSv4.1: shift pnfs_update_layout locations 2011-03-11 15:38:42 -05:00
fscache-index.c NFS: Add read context retention for FS-Cache to call back with 2009-04-03 16:42:44 +01:00
fscache.c NFS: Squelch compiler warning 2010-05-14 15:09:31 -04:00
fscache.h NFS: Propagate 'fsc' mount option through automounts 2009-09-23 14:36:39 -04:00
getroot.c switch nfs to ->s_d_op 2011-01-12 20:02:45 -05:00
idmap.c nfs: fix mispelling of idmap CONFIG symbol 2011-01-04 13:10:39 -05:00
inode.c (try3-resend) Fix nfs_compat_user_ino64 so it doesn't cause problems if bit 31 or 63 are set in fileid 2011-03-10 15:04:58 -05:00
internal.h NFSv4.1: filelayout async error handler 2011-03-11 15:38:43 -05:00
iostat.h NFS: Squelch compiler warning in nfs_add_server_stats() 2010-05-14 15:09:31 -04:00
Kconfig lockd: push lock_flocks down 2010-10-27 21:39:39 +02:00
Makefile NFSv4.1: pnfs: filelayout: add driver's LAYOUTGET and GETDEVICEINFO infrastructure 2010-10-24 18:07:11 -04:00
mount_clnt.c NFS: Remove redundant unlikely() 2010-12-21 11:51:23 -05:00
namespace.c Unexport do_add_mount() and add in follow_automount(), not ->d_automount() 2011-01-15 20:07:48 -05:00
nfs2xdr.c Merge branch 'bugfixes' into nfs-for-2.6.38 2011-01-10 14:48:02 -05:00
nfs3acl.c NFS: Prevent memory allocation failure in nfsacl_encode() 2011-01-25 15:24:47 -05:00
nfs3proc.c NFS move nfs_client initialization into nfs_get_client 2011-03-11 15:38:41 -05:00
nfs3xdr.c NFS: Fix "kernel BUG at fs/nfs/nfs3xdr.c:1338!" 2011-01-25 15:24:47 -05:00
nfs4_fs.h NFSv4.1: filelayout read 2011-03-11 15:38:43 -05:00
nfs4filelayout.c NFSv4.1: turn off pNFS on ds connection failure 2011-03-11 15:38:43 -05:00
nfs4filelayout.h NFSv4.1: turn off pNFS on ds connection failure 2011-03-11 15:38:43 -05:00
nfs4filelayoutdev.c NFSv4.1: turn off pNFS on ds connection failure 2011-03-11 15:38:43 -05:00
nfs4namespace.c NFSv4: Fix up the documentation for nfs_do_refmount 2010-05-14 15:09:29 -04:00
nfs4proc.c NFSv4.1: filelayout async error handler 2011-03-11 15:38:43 -05:00
nfs4renewd.c NFSv4.1: new flag for state renewal check 2011-03-11 15:38:41 -05:00
nfs4state.c NFSv4.1: filelayout async error handler 2011-03-11 15:38:43 -05:00
nfs4xdr.c NFSv4.1: send zero stateid seqid on v4.1 i/o 2011-03-11 15:38:41 -05:00
nfsroot.c NFS: NFSROOT should default to "proto=udp" 2011-03-11 15:38:07 -05:00
pagelist.c NFSv4.1: shift pnfs_update_layout locations 2011-03-11 15:38:42 -05:00
pnfs.c NFSv4.1: turn off pNFS on ds connection failure 2011-03-11 15:38:43 -05:00
pnfs.h NFSv4.1 move deviceid cache to filelayout driver 2011-03-11 15:38:43 -05:00
proc.c NFS move nfs_client initialization into nfs_get_client 2011-03-11 15:38:41 -05:00
read.c NFSv4.1: filelayout async error handler 2011-03-11 15:38:43 -05:00
super.c switch nfs to ->s_d_op 2011-01-12 20:02:45 -05:00
symlink.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
sysctl.c NFS: new idmapper 2010-10-07 18:48:49 -04:00
unlink.c SUNRPC: Close a race in __rpc_wait_for_completion_task() 2011-03-10 15:04:52 -05:00
write.c NFSv4.1: shift pnfs_update_layout locations 2011-03-11 15:38:42 -05:00