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J. Bruce Fields c3e4808086 nfsd4: don't pretend to support write delegations 
The delegation code mostly pretends to support either read or write
delegations.  However, correct support for write delegations would
require, for example, breaking of delegations (and/or implementation of
cb_getattr) on stat.  Currently all that stops us from handing out
delegations is a subtle reference-counting issue.

Avoid confusion by adding an earlier check that explicitly refuses write
delegations.

For now, though, I'm not going so far as to rip out existing
half-support for write delegations, in case we get around to using that
soon.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
 		2010-07-29 16:05:51 -04:00
..
Kconfig nfsd : Define NFSD only when FILE_LOCKING is enabled 2009-03-18 17:30:48 -04:00
Makefile
…
auth.c nfsd: remove pointless paths in file headers 2009-12-15 15:01:47 -05:00
auth.h
…
cache.h nfsd: remove pointless paths in file headers 2009-12-15 15:01:47 -05:00
export.c Merge commit 'v2.6.34-rc6' 2010-05-04 11:29:05 -04:00
lockd.c nfsd: remove pointless paths in file headers 2009-12-15 15:01:47 -05:00
nfs2acl.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
nfs3acl.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
nfs3proc.c NFSD: Fill in WCC data for REMOVE, RMDIR, MKNOD, and MKDIR 2010-07-07 17:12:32 -04:00
nfs3xdr.c nfsd: remove pointless paths in file headers 2009-12-15 15:01:47 -05:00
nfs4acl.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
nfs4callback.c nfsd4: fix delegation recall race use-after-free 2010-06-24 12:24:55 -04:00
nfs4idmap.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
nfs4proc.c nfsd4: implement reclaim_complete 2010-05-13 12:03:11 -04:00
nfs4recover.c sanitize vfs_fsync calling conventions 2010-05-21 18:31:21 -04:00
nfs4state.c nfsd4: don't pretend to support write delegations 2010-07-29 16:05:51 -04:00
nfs4xdr.c nfsd4; fix session reference count leak 2010-06-22 17:19:28 -04:00
nfscache.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
nfsctl.c nfsd: just keep single lockd reference for nfsd 2010-07-23 08:51:26 -04:00
nfsd.h nfsd4: allow setting grace period time 2010-03-06 15:02:08 -05:00
nfsfh.c nfsd: fix "insecure" export option 2009-12-20 20:19:51 -08:00
nfsfh.h nfsd: move most of nfsfh.h to fs/nfsd 2009-12-15 15:01:46 -05:00
nfsproc.c nfsd: remove pointless paths in file headers 2009-12-15 15:01:47 -05:00
nfssvc.c nfsd: minor nfsd_svc() cleanup 2010-07-23 08:51:27 -04:00
nfsxdr.c nfsd: remove pointless paths in file headers 2009-12-15 15:01:47 -05:00
state.h nfsd4: keep a reference count on client while in use 2010-05-13 11:58:54 -04:00
stats.c nfsd: remove pointless paths in file headers 2009-12-15 15:01:47 -05:00
vfs.c nfsd: bypass readahead cache when have struct file 2010-07-27 18:15:54 -04:00
vfs.h nfsd: don't break lease while servicing a COMMIT 2010-03-22 15:37:53 -04:00
xdr.h nfsd: remove pointless paths in file headers 2009-12-15 15:01:47 -05:00
xdr3.h nfsd: remove pointless paths in file headers 2009-12-15 15:01:47 -05:00
xdr4.h nfsd4: implement reclaim_complete 2010-05-13 12:03:11 -04:00