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linux/fs/nfs
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Trond Myklebust d18cc1fda2 NFSv4: Fix a potential state manager deadlock when returning delegations 
The nfsv4 state manager could potentially deadlock inside
__nfs_inode_return_delegation() if the server reboots, so that the calls to
nfs_msync_inode() end up waiting on state recovery to complete.

Also ensure that if a server reboot or network partition causes us to have
to stop returning delegations, that NFS4CLNT_DELEGRETURN is set so that
the state manager can resume any outstanding delegation returns after it
has dealt with the state recovery situation.

Finally, ensure that the state manager doesn't wait for the DELEGRETURN
call to complete. It doesn't need to, and that too can cause a deadlock.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2009-12-03 08:10:17 -05:00
..
cache_lib.c NFS: Add a dns resolver for use with NFSv4 referrals and migration 2009-08-19 18:22:15 -04:00
cache_lib.h NFS: Add a dns resolver for use with NFSv4 referrals and migration 2009-08-19 18:22:15 -04:00
callback.c NFSv4: Clean up the nfs.callback_tcpport option 2009-08-09 15:06:19 -04:00
callback.h nfs41: Backchannel: update cb_sequence args and results 2009-06-17 14:11:40 -07:00
callback_proc.c nfs41: Backchannel: CB_SEQUENCE validation 2009-06-17 14:11:43 -07:00
callback_xdr.c trivial: remove unnecessary semicolons 2009-09-21 15:14:58 +02:00
client.c nfs: Avoid overrun when copying client IP address string 2009-10-06 15:42:18 -04:00
delegation.c NFSv4: Fix a potential state manager deadlock when returning delegations 2009-12-03 08:10:17 -05:00
delegation.h NFSv4: Fix a potential state manager deadlock when returning delegations 2009-12-03 08:10:17 -05:00
dir.c NFSv4: The link() operation should return any delegation on the file 2009-10-26 08:09:46 -04:00
direct.c nfs: Panic when commit fails 2009-10-23 14:16:30 -04:00
dns_resolve.c NFS: Add a dns resolver for use with NFSv4 referrals and migration 2009-08-19 18:22:15 -04:00
dns_resolve.h NFS: Add a dns resolver for use with NFSv4 referrals and migration 2009-08-19 18:22:15 -04:00
file.c const: mark struct vm_struct_operations 2009-09-27 11:39:25 -07:00
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 FS-Cache: Handle pages pending storage that get evicted under OOM conditions 2009-11-19 18:11:35 +00:00
fscache.h NFS: Propagate 'fsc' mount option through automounts 2009-09-23 14:36:39 -04:00
getroot.c headers: mnt_namespace.h redux 2009-07-08 09:31:56 -07:00
idmap.c SUNRPC: Replace rpc_client->cl_dentry and cl_mnt, with a cl_path 2009-08-09 15:14:24 -04:00
inode.c truncate: use new helpers 2009-09-24 08:41:47 -04:00
internal.h NFS: Allow the "nfs" file system type to support NFSv4 2009-09-08 19:50:03 -04:00
iostat.h remove put_cpu_no_resched() 2009-06-16 19:47:48 -07:00
Kconfig Merge branch 'for-2.6.31' of git://fieldses.org/git/linux-nfsd 2009-06-22 12:55:50 -07:00
Makefile NFS: Add a dns resolver for use with NFSv4 referrals and migration 2009-08-19 18:22:15 -04:00
mount_clnt.c Merge branch 'patches_cel-for-2.6.32' into nfs-for-2.6.32 2009-08-10 17:45:50 -04:00
namespace.c NFS: Fix nfs_path() to always return a '/' at the beginning of the path 2009-06-22 21:28:25 -07:00
nfs2xdr.c headers: utsname.h redux 2009-09-23 18:13:10 -07:00
nfs3acl.c nfs: remove unnecessary NFS_INO_INVALID_ACL checks 2009-06-17 18:02:14 -07:00
nfs3proc.c headers: utsname.h redux 2009-09-23 18:13:10 -07:00
nfs3xdr.c headers: utsname.h redux 2009-09-23 18:13:10 -07:00
nfs4_fs.h NFSv4: Fix an NFSv4 mount regression 2009-07-21 16:48:07 -04:00
nfs4namespace.c NFSv4: Fix the referral mount code 2009-10-06 15:42:20 -04:00
nfs4proc.c NFSv4: Fix a cache validation bug which causes getcwd() to return ENOENT 2009-11-11 16:15:42 +09:00
nfs4renewd.c NFSv4: Kill nfs4_renewd_prepare_shutdown() 2009-10-08 11:50:55 -04:00
nfs4state.c const: make file_lock_operations const 2009-09-22 07:17:25 -07:00
nfs4xdr.c Re: acl trouble after upgrading ubuntu 2009-12-03 08:10:17 -05:00
nfsroot.c NFS: Update MNT and MNT3 reply decoding functions 2009-06-17 18:02:13 -07:00
pagelist.c NFS: Throttle page dirtying while we're flushing to disk 2009-03-11 14:10:30 -04:00
proc.c headers: utsname.h redux 2009-09-23 18:13:10 -07:00
read.c NFS: Fix an O_DIRECT Oops... 2009-08-12 08:21:39 -07:00
super.c nfs: Fix nfs_parse_mount_options() kfree() leak 2009-10-22 08:15:23 +09:00
symlink.c nfs: remove unnecessary NFS_NEED_* defines 2008-04-23 16:13:37 -04:00
sysctl.c
unlink.c nfs41: use rpc prepare call state for session reset 2009-06-17 12:25:07 -07:00
write.c writeback: get rid of wbc->for_writepages 2009-09-16 15:16:18 +02:00