Chuck Lever ffe5a83005 NFS: Slow down state manager after an unhandled error ...

If the state manager thread is not actually able to fully recover from
some situation, it wakes up waiters, who kick off a new state manager
thread.  Quite often the fresh invocation of the state manager is just
as successful.

This results in a livelock as the client dumps thousands of NFS
requests a second on the network in a vain attempt to recover.  Not
very friendly.

To mitigate this situation, add a delay in the state manager after
an unhandled error, so that the client sends just a few requests
every second in this case.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

2012-10-01 15:31:51 -07:00

..

blocklayout

NFSv4.1: Replace get_device_info() with filelayout_get_device_info()

2012-09-28 16:03:08 -04:00

objlayout

pnfs-obj: Better IO pattern in case of unaligned offset

2012-08-02 17:42:51 -04:00

cache_lib.c

NFS: remove RPC PipeFS mount point references from NFS cache routines

2012-01-31 18:20:26 -05:00

cache_lib.h

NFS: DNS resolver PipeFS notifier introduced

2012-01-31 18:20:26 -05:00

callback_proc.c

NFSv4.1: Clean up the removal of pnfs_layout_hdr from the server list

2012-09-28 16:03:14 -04:00

callback_xdr.c

SUNRPC: service request network namespace helper introduced

2012-07-27 16:49:21 -04:00

callback.c

NFS: add debug messages to callback down function

2012-10-01 15:26:06 -07:00

callback.h

NFS: make nfs_callback_tcpport6 per network context

2012-10-01 15:25:51 -07:00

client.c

NFS: Fix a regression when loading the NFS v4 module

2012-08-16 16:15:49 -04:00

delegation.c

NFS: Create a return_delegation rpc op

2012-06-29 11:46:45 -04:00

delegation.h

NFS: Convert v4 into a module

2012-07-30 19:06:52 -04:00

dir.c

NFSv4: Add ACCESS operation to OPEN compound

2012-10-01 15:20:11 -07:00

direct.c

NFS: Convert nfs_get_lock_context to return an ERR_PTR on failure

2012-09-28 16:03:03 -04:00

dns_resolve.c

NFS: Convert v4 into a module

2012-07-30 19:06:52 -04:00

dns_resolve.h

NFS: DNS resolver cache per network namespace context introduced

2012-01-31 18:20:26 -05:00

file.c

NFS: Write the entire file if a server reboot occurs during fsync()

2012-09-28 16:03:05 -04:00

fscache-index.c

NFS: Use the inode->i_version to cache NFSv4 change attribute information

2011-10-18 09:14:34 -07:00

fscache.c

NFS: Don't pass mount data to nfs_fscache_get_super_cookie()

2012-05-14 17:30:26 -07:00

fscache.h

NFS: Fix a compile issue when CONFIG_NFS_FSCACHE was undefined

2012-05-16 10:24:20 -07:00

getroot.c

NFS: Move the v4 getroot code to nfs4getroot.c

2012-07-17 13:33:51 -04:00

idmap.c

NFS: Use kzalloc() instead of kmalloc() in the idmapper

2012-10-01 15:18:44 -07:00

inode.c

NFS: Clean up helper function nfs4_select_rw_stateid()

2012-09-28 16:03:04 -04:00

internal.h

NFS: nfs_parsed_mount_options can use unsigned int

2012-10-01 15:31:41 -07:00

iostat.h

…

Kconfig

Merge branch 'akpm' (Andrew's patch-bomb)

2012-07-31 19:25:39 -07:00

Makefile

NFS: Fix a regression when loading the NFS v4 module

2012-08-16 16:15:49 -04:00

mount_clnt.c

SUNRPC/NFS: Add Kbuild dependencies for NFS_DEBUG/RPC_DEBUG

2012-03-20 13:08:26 -04:00

namespace.c

NFS: Convert v4 into a module

2012-07-30 19:06:52 -04:00

netns.h

NFS: callback per-net usage counting introduced

2012-10-01 15:25:57 -07:00

nfs2super.c

NFS: Convert v2 into a module

2012-07-30 19:06:41 -04:00

nfs2xdr.c

NFS: Let xdr_read_pages() check for buffer overflows

2012-06-28 17:20:43 -04:00

nfs3acl.c

NFS: Fix a number of sparse warnings

2012-03-11 15:14:16 -04:00

nfs3client.c

NFS: Only initialize the ACL client in the v3 case

2012-07-30 19:05:54 -04:00

nfs3proc.c

NFS: Fix the initialisation of the readdir 'cookieverf' array

2012-09-04 14:52:42 -04:00

nfs3super.c

NFS: Convert v3 into a module

2012-07-30 19:06:46 -04:00

nfs3xdr.c

NFS: Cleanup - only store the write verifier in struct nfs_page

2012-06-28 17:20:50 -04:00

nfs4_fs.h

NFSv4.1: Simplify the pNFS return-on-close code

2012-09-28 16:03:12 -04:00

nfs4client.c

NFS: move per-net callback thread initialization to nfs_callback_up_net()

2012-10-01 15:25:24 -07:00

nfs4file.c

NFS: Write the entire file if a server reboot occurs during fsync()

2012-09-28 16:03:05 -04:00

nfs4filelayout.c

NFSv4.1: Get rid of the NFS_LAYOUT_DESTROYED state

2012-09-28 16:03:16 -04:00

nfs4filelayout.h

NFSv4.1: Get rid of pNFS layout state "NFS_LAYOUT_INVALID"

2012-09-28 16:03:12 -04:00

nfs4filelayoutdev.c

NFSv4.1: pNFS data servers may be temporarily offline

2012-09-28 16:03:09 -04:00

nfs4getroot.c

NFS: Move the v4 getroot code to nfs4getroot.c

2012-07-17 13:33:51 -04:00

nfs4namespace.c

NFS4: avoid underflow when converting error to pointer.

2012-09-25 10:38:54 -04:00

nfs4proc.c

NFSv4: Add ACCESS operation to OPEN compound

2012-10-01 15:20:11 -07:00

nfs4renewd.c

NFS: Add NFSDBG_STATE

2012-05-22 16:45:42 -04:00

nfs4state.c

NFS: Slow down state manager after an unhandled error

2012-10-01 15:31:51 -07:00

nfs4super.c

NFS: Fix a regression when loading the NFS v4 module

2012-08-16 16:15:49 -04:00

nfs4sysctl.c

NFS: Initialize v4 sysctls from nfs_init_v4()

2012-07-17 13:33:18 -04:00

nfs4xdr.c

NFSv4: Add ACCESS operation to OPEN compound

2012-10-01 15:20:11 -07:00

nfs.h

NFS: Convert v4 into a module

2012-07-30 19:06:52 -04:00

nfsroot.c

SUNRPC/NFS: Add Kbuild dependencies for NFS_DEBUG/RPC_DEBUG

2012-03-20 13:08:26 -04:00

pagelist.c

NFS: Clean up helper function nfs4_select_rw_stateid()

2012-09-28 16:03:04 -04:00

pnfs_dev.c

NFSv4.1: pNFS data servers may be temporarily offline

2012-09-28 16:03:09 -04:00

pnfs.c

NFSv4.1: _pnfs_return_layout() shouldn't invalidate the layout on failure

2012-09-28 16:03:18 -04:00

pnfs.h

NFSv4.1: Remove the NFS_LAYOUT_RETURNED state

2012-09-28 16:03:17 -04:00

proc.c

NFS: Only initialize the ACL client in the v3 case

2012-07-30 19:05:54 -04:00

read.c

Merge branch 'akpm' (Andrew's patch-bomb)

2012-07-31 19:25:39 -07:00

super.c

NFS: Fix a problem with the legacy binary mount code

2012-09-04 14:52:43 -04:00

symlink.c

…

sysctl.c

NFS: Initialize v4 sysctls from nfs_init_v4()

2012-07-17 13:33:18 -04:00

unlink.c

NFS: Create a return_delegation rpc op

2012-06-29 11:46:45 -04:00

write.c

NFS: Fix fdatasync/fsync() when confronted with a server reboot

2012-09-28 16:03:05 -04:00