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linux/fs/nfsd
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J. Bruce Fields 1cf63e6d35 nfsd4: reserve adequate space for LOCK op 
commit f7b43d0c99 upstream.

As of  8c7424cff6 "nfsd4: don't try to encode conflicting owner if low
on space", we permit the server to process a LOCK operation even if
there might not be space to return the conflicting lockowner, because
we've made returning the conflicting lockowner optional.

However, the rpc server still wants to know the most we might possibly
return, so we need to take into account the possible conflicting
lockowner in the svc_reserve_space() call here.

Symptoms were log messages like "RPC request reserved 88 but used 108".

Fixes: 8c7424cff6 "nfsd4: don't try to encode conflicting owner if low on space"
Reported-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2014-10-30 09:40:14 -07:00
..
acl.h nfsd4: use xdr_reserve_space in attribute encoding 2014-05-28 14:52:34 -04:00
auth.c NFSD: Cleanup unused variable in nfsd_setuser() 2014-05-30 17:32:21 -04:00
auth.h nfsd: Remove nfsd_luid, nfsd_lgid, nfsd_ruid and nfsd_rgid 2013-02-13 06:15:51 -08:00
cache.h nfsd: get rid of unused function definition 2014-01-02 17:53:23 -05:00
current_stateid.h nfsd41: use current stateid by value 2012-02-15 11:20:45 -05:00
export.c NFSD: Error out when getting more than one fsloc/secinfo/uuid 2014-05-30 17:32:25 -04:00
export.h NFSD: Using type of uint32_t for ex_nflavors instead of int 2014-05-30 17:32:24 -04:00
fault_inject.c NFSD: Use simple_read_from_buffer for coping data to userspace 2014-05-08 14:59:52 -04:00
idmap.h nfsd4: use xdr_reserve_space in attribute encoding 2014-05-28 14:52:34 -04:00
Kconfig nfsd: fix Kconfig syntax 2013-10-26 15:37:26 -04:00
lockd.c nfsd: Remove deprecated nfsctl system call and related code. 2011-07-15 18:58:42 -04:00
Makefile NFSD: Added fault injection 2011-11-07 21:10:47 -05:00
netns.h NFSD: Don't start lockd when only NFSv4 is running 2014-01-03 18:18:50 -05:00
nfs2acl.c nfsd: Remove assignments inside conditions 2014-05-22 15:52:23 -04:00
nfs3acl.c nfsd: Remove assignments inside conditions 2014-05-22 15:52:23 -04:00
nfs3proc.c switch vfs_getattr() to struct path 2013-02-26 02:46:08 -05:00
nfs3xdr.c nfsd: Remove assignments inside conditions 2014-05-22 15:52:23 -04:00
nfs4acl.c nfsd4: use xdr_reserve_space in attribute encoding 2014-05-28 14:52:34 -04:00
nfs4callback.c svcrdma: Select NFSv4.1 backchannel transport based on forward channel 2014-09-05 16:36:42 -07:00
nfs4idmap.c nfsd4: use xdr_reserve_space in attribute encoding 2014-05-28 14:52:34 -04:00
nfs4proc.c nfsd: fix rare symlink decoding bug 2014-06-27 16:10:46 -04:00
nfs4recover.c nfsd: switch to %p[dD] 2013-10-24 23:34:51 -04:00
nfs4state.c NFSD: Don't hand out delegations for 30 seconds after recalling them. 2014-06-17 16:42:47 -04:00
nfs4xdr.c nfsd4: reserve adequate space for LOCK op 2014-10-30 09:40:14 -07:00
nfscache.c nfsd: don't halt scanning the DRC LRU list when there's an RC_INPROG entry 2014-06-06 19:22:49 -04:00
nfsctl.c NFSD: Get rid of empty function nfs4_state_init 2014-05-08 14:59:52 -04:00
nfsd.h NFSD: Get rid of empty function nfs4_state_init 2014-05-08 14:59:52 -04:00
nfsfh.c SUNRPC/NFSD: Remove using of dprintk with KERN_WARNING 2014-05-30 20:25:28 -04:00
nfsfh.h nfsd: remove <linux/nfsd/nfsfh.h> 2014-05-06 17:54:53 -04:00
nfsproc.c switch vfs_getattr() to struct path 2013-02-26 02:46:08 -05:00
nfssvc.c NFSD: Decrease nfsd_users in nfsd_startup_generic fail 2014-09-05 16:36:42 -07:00
nfsxdr.c nfsd: Remove assignments inside conditions 2014-05-22 15:52:23 -04:00
state.h nfsd4: allow larger 4.1 session drc slots 2014-05-23 09:03:41 -04:00
stats.c nfsd: move <linux/nfsd/stats.h> to fs/nfsd 2014-05-06 17:54:55 -04:00
stats.h nfsd: move <linux/nfsd/stats.h> to fs/nfsd 2014-05-06 17:54:55 -04:00
vfs.c nfsd: remove unused function nfsd_read_file 2014-05-30 17:32:27 -04:00
vfs.h nfsd: remove unused function nfsd_read_file 2014-05-30 17:32:27 -04:00
xdr.h nfsd: handle vfs_getattr errors in acl protocol 2013-02-26 02:46:09 -05:00
xdr3.h nfsd: fix encode_entryplus_baggage stack usage 2014-01-23 13:50:27 -05:00
xdr4.h nfsd4: allow large readdirs 2014-05-30 17:32:03 -04:00
xdr4cb.h nfsd4: check backchannel attributes on create_session 2013-04-09 16:53:56 -04:00