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Trond Myklebust 215894c980 NFSv4.1: nfs41_clear_delegation_stateid shouldn't trust NFS_DELEGATED_STATE 
commit 0c116cadd9 upstream.

This patch removes the assumption made previously, that we only need to
check the delegation stateid when it matches the stateid on a cached
open.

If we believe that we hold a delegation for this file, then we must assume
that its stateid may have been revoked or expired too. If we don't test it
then our state recovery process may end up caching open/lock state in a
situation where it should not.
We therefore rename the function nfs41_clear_delegation_stateid as
nfs41_check_delegation_stateid, and change it to always run through the
delegation stateid test and recovery process as outlined in RFC5661.

http://lkml.kernel.org/r/CAN-5tyHwG=Cn2Q9KsHWadewjpTTy_K26ee+UnSvHvG4192p-Xw@mail.gmail.com
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2014-11-21 09:23:04 -08:00
..
9p Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2014-01-28 08:38:04 -08:00
adfs adfs: delayed freeing of sbi 2013-10-24 23:43:27 -04:00
affs fs/affs/super.c: bugfix / double free 2014-06-07 10:28:16 -07:00
afs afs: proc cells and rootcell are writeable 2014-02-01 10:59:39 -08:00
autofs4 autofs: fix lockref lookup 2014-06-07 10:28:20 -07:00
befs befs: iget_locked() doesn't return an ERR_PTR 2014-01-25 03:14:38 -05:00
bfs truncate: drop 'oldsize' truncate_pagecache() parameter 2013-09-12 15:38:02 -07:00
btrfs Btrfs: fix kfree on list_head in btrfs_lookup_csums_range error cleanup 2014-11-14 09:00:13 -08:00
cachefiles Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-11-13 15:34:18 +09:00
ceph ceph: clear directory's completeness when creating file 2014-06-07 10:28:20 -07:00
cifs CIFS: Fix SMB2 readdir error handling 2014-10-09 12:21:27 -07:00
coda coda_revalidate_inode(): switch to passing inode... 2013-11-09 00:16:21 -05:00
configfs configfs: fix race between dentry put and lookup 2013-11-21 16:42:27 -08:00
cramfs cramfs: take headers to fs/cramfs 2014-01-25 03:13:02 -05:00
debugfs debugfs: Fix corrupted loop in debugfs_remove_recursive 2014-09-05 16:34:15 -07:00
devpts devpts: plug the memory leak in kill_sb 2013-11-13 12:09:36 +09:00
dlm Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2014-01-25 11:17:34 -08:00
ecryptfs ecryptfs: avoid to access NULL pointer when write metadata in xattr 2014-10-30 09:38:25 -07:00
efivarfs consolidate simple ->d_delete() instances 2013-11-15 22:04:17 -05:00
efs efs: get rid of ->put_super() 2014-01-25 03:13:02 -05:00
exofs exofs: Print less in r4w 2014-01-23 18:54:14 +02:00
exportfs exportfs: fix quadratic behavior in filehandle lookup 2013-11-09 00:16:38 -05:00
ext2 ext2/3/4: use generic posix ACL infrastructure 2014-01-25 23:58:19 -05:00
ext3 ext3: Don't check quota format when there are no quota files 2014-11-14 09:00:09 -08:00
ext4 ext4: fix oops when loading block bitmap failed 2014-11-14 08:59:59 -08:00
f2fs Merge branch 'for-3.14/core' of git://git.kernel.dk/linux-block 2014-01-30 11:19:05 -08:00
fat fat: rcu-delay unloading nls and freeing sbi 2013-10-24 23:43:28 -04:00
freevxfs
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fscache FS-Cache: Handle removal of unadded object to the fscache_object_list rb tree 2014-02-17 13:47:35 -08:00
fuse fuse: ignore entry-timeout on LOOKUP_REVAL 2014-07-28 08:05:57 -07:00
gfs2 GFS2: fix d_splice_alias() misuses 2014-10-05 14:52:22 -07:00
hfs fs/hfs/btree.h: remove duplicate defines 2013-11-13 12:09:32 +09:00
hfsplus hfsplus: add HFSX subfolder count support 2014-03-10 17:26:21 -07:00
hostfs um: hostfs: make functions static 2014-01-26 11:51:09 +01:00
hpfs hpfs: optimize quad buffer loading 2014-02-02 16:24:07 -08:00
hppfs
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hugetlbfs hugetlb: ensure hugepage access is denied if hugepages are not supported 2014-10-09 12:21:27 -07:00
isofs isofs: Fix unbounded recursion when processing relocated directories 2014-09-05 16:34:12 -07:00
jbd jbd: Revise KERN_EMERG error messages 2013-12-04 12:27:46 +01:00
jbd2 jbd2: free bh when descriptor block checksum fails 2014-11-14 08:59:57 -08:00
jffs2 kill wbuf_queued/wbuf_dwork_lock 2014-11-14 08:59:48 -08:00
jfs jfs: set i_ctime when setting ACL 2014-02-13 15:56:05 -06:00
kernfs kernfs: add back missing error check in kernfs_fop_mmap() 2014-06-07 10:28:08 -07:00
lockd lockd: Try to reconnect if statd has moved 2014-11-14 08:59:44 -08:00
logfs Merge branch 'for-3.14/core' of git://git.kernel.dk/linux-block 2014-01-30 11:19:05 -08:00
minix fs/minix: Drop dependency on H8300 2013-09-16 18:20:25 -07:00
ncpfs ncpfs: rcu-delay unload_nls() and freeing ncp_server 2013-10-24 23:43:28 -04:00
nfs NFSv4.1: nfs41_clear_delegation_stateid shouldn't trust NFS_DELEGATED_STATE 2014-11-21 09:23:04 -08:00
nfs_common
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nfsd nfsd4: fix crash on unknown operation number 2014-11-14 09:00:09 -08:00
nilfs2 nilfs2: fix data loss with mmap() 2014-10-05 14:52:21 -07:00
nls nls: have register_nls() set ->owner 2014-01-25 03:14:05 -05:00
notify fanotify: enable close-on-exec on events' fd when requested in fanotify_init() 2014-10-30 09:38:23 -07:00
ntfs fix O_SYNC|O_APPEND syncing the wrong range on write() 2014-02-09 15:18:09 -05:00
ocfs2 ocfs2/dlm: do not get resource spinlock if lockres is new 2014-10-05 14:52:21 -07:00
omfs truncate: drop 'oldsize' truncate_pagecache() parameter 2013-09-12 15:38:02 -07:00
openpromfs
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proc mm: per-thread vma caching 2014-10-09 12:21:29 -07:00
pstore pstore: Fix duplicate {console,ftrace}-efi entries 2014-11-14 08:59:50 -08:00
qnx4 qnx4: clean qnx4_fill_super() up 2014-01-25 03:13:03 -05:00
qnx6
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quota quota: Properly return errors from dquot_writeback_dquots() 2014-11-14 09:00:09 -08:00
ramfs fs/ramfs: move ramfs_aops to inode.c 2014-01-23 16:36:58 -08:00
reiserfs reiserfs: call truncate_setsize under tailpack mutex 2014-07-06 18:57:29 -07:00
romfs romfs: fix returm err while getting inode in fill_super 2014-01-23 16:37:04 -08:00
squashfs Squashfs: fix failure to unlock pages on decompress error 2013-11-24 01:02:50 +00:00
sysfs sysfs: make sure read buffer is zeroed 2014-06-07 10:28:24 -07:00
sysv sysv: Add forgotten superblock lock init for v7 fs 2013-09-29 22:02:02 -04:00
ubifs UBIFS: fix free log space calculation 2014-11-14 08:59:46 -08:00
udf udf: Avoid infinite loop when processing indirect ICBs 2014-10-09 12:21:26 -07:00
ufs truncate: drop 'oldsize' truncate_pagecache() parameter 2013-09-12 15:38:02 -07:00
xfs xfs: avoid false quotacheck after unclean shutdown 2014-11-14 09:00:10 -08:00
Kconfig fs: remove generic_acl 2014-01-26 08:26:40 -05:00
Kconfig.binfmt
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Makefile Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2014-01-28 08:38:04 -08:00
aio.c aio: block exit_aio() until all context requests are completed 2014-10-05 14:52:24 -07:00
anon_inodes.c vfs: Allocate anon_inode_inode in anon_inode_init() 2014-03-27 09:52:54 -07:00
attr.c fs,userns: Change inode_capable to capable_wrt_inode_uidgid 2014-06-16 13:40:32 -07:00
bad_inode.c
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binfmt_aout.c dump_skip(): dump_seek() replacement taking coredump_params 2013-11-09 00:16:26 -05:00
binfmt_elf.c fs: binfmt_elf: remove unused defines INTERPRETER_NONE and INTERPRETER_ELF 2014-01-23 16:36:58 -08:00
binfmt_elf_fdpic.c elf{,_fdpic} coredump: get rid of pointless if (siginfo->si_signo) 2013-11-09 00:16:30 -05:00
binfmt_em86.c file->f_op is never NULL... 2013-10-24 23:34:54 -04:00
binfmt_flat.c
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binfmt_misc.c
…
binfmt_script.c
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binfmt_som.c
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bio-integrity.c bio-integrity: Drop bio_integrity_verify BUG_ON in post bip->bip_iter world 2014-02-21 15:56:36 -08:00
bio.c block: Fix cloning of discard/write same bios 2014-02-11 08:40:45 -07:00
block_dev.c a trivial writeback fix 2013-09-13 23:06:40 -04:00
buffer.c vfs: fix data corruption when blocksize < pagesize for mmaped data 2014-11-14 08:59:47 -08:00
char_dev.c Merge branch 'for-3.13/core' of git://git.kernel.dk/linux-block 2013-11-14 12:08:14 +09:00
compat.c
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compat_binfmt_elf.c
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compat_ioctl.c fs/compat_ioctl.c: fix an underflow issue (harmless) 2014-01-21 16:19:42 -08:00
coredump.c coredump: fix the setting of PF_DUMPCORE 2014-07-31 12:52:56 -07:00
dcache.c missing data dependency barrier in prepend_name() 2014-11-14 08:59:48 -08:00
dcookies.c fs/compat: fix lookup_dcookie() parameter handling 2014-01-29 16:22:40 -08:00
direct-io.c block: Abstract out bvec iterator 2013-11-23 22:33:47 -08:00
drop_caches.c shrinker: add node awareness 2013-09-10 18:56:31 -04:00
eventfd.c eventfd_ctx_fdget(): use fdget() instead of fget() 2014-01-25 03:13:04 -05:00
eventpoll.c eventpoll: fix uninitialized variable in epoll_ctl 2014-10-05 14:52:20 -07:00
exec.c mm: per-thread vma caching 2014-10-09 12:21:29 -07:00
fcntl.c file->f_op is never NULL... 2013-10-24 23:34:54 -04:00
fhandle.c
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file.c vfs: Don't let __fdget_pos() get FMODE_PATH files 2014-03-23 00:03:12 -04:00
file_table.c don't bother with {get,put}_write_access() on non-regular files 2014-05-31 13:20:29 -07:00
filesystems.c
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fs-writeback.c bdi: avoid oops on device removal 2014-04-26 17:19:05 -07:00
fs_struct.c seqcount: Add lockdep functionality to seqcount/seqlock structures 2013-11-06 12:40:26 +01:00
inode.c fs,userns: Change inode_capable to capable_wrt_inode_uidgid 2014-06-16 13:40:32 -07:00
internal.h get rid of s_files and files_lock 2013-11-09 00:16:20 -05:00
ioctl.c file->f_op is never NULL... 2013-10-24 23:34:54 -04:00
ioprio.c block: Fix computation of merged request priority 2014-11-21 09:23:03 -08:00
libfs.c consolidate simple ->d_delete() instances 2013-11-15 22:04:17 -05:00
locks.c locks: allow __break_lease to sleep even when break_time is 0 2014-05-13 13:32:53 +02:00
mbcache.c fs: convert fs shrinkers to new scan/count API 2013-09-10 18:56:31 -04:00
mount.h switch mnt_hash to hlist 2014-03-30 19:18:51 -04:00
mpage.c block: Abstract out bvec iterator 2013-11-23 22:33:47 -08:00
namei.c fs: allow open(dir, O_TMPFILE|..., 0) with mode 0 2014-11-14 08:59:46 -08:00
namespace.c mnt: Prevent pivot_root from creating a loop in the mount tree 2014-11-14 08:59:49 -08:00
no-block.c
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open.c don't bother with {get,put}_write_access() on non-regular files 2014-05-31 13:20:29 -07:00
pipe.c fs/pipe.c: skip file_update_time on frozen fs 2014-01-23 16:37:00 -08:00
pnode.c get rid of propagate_umount() mistakenly treating slaves as busy. 2014-09-17 09:19:22 -07:00
pnode.h smarter propagate_mnt() 2014-05-06 07:59:36 -07:00
posix_acl.c posix_acl: handle NULL ACL in posix_acl_equiv_mode 2014-06-07 10:28:16 -07:00
proc_namespace.c fs/proc_namespace.c: simplify testing nsp and nsp->mnt_ns 2014-01-23 16:37:02 -08:00
read_write.c vfs: atomic f_pos access in llseek() 2014-03-23 00:03:12 -04:00
readdir.c file->f_op is never NULL... 2013-10-24 23:34:54 -04:00
select.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-11-13 15:34:18 +09:00
seq_file.c seq_file: always clear m->count when we free m->buf 2013-11-18 19:07:53 -08:00
signalfd.c
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splice.c fuse: fix pipe_buf_operations 2014-01-22 19:36:57 +01:00
stack.c
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stat.c vfs: split out vfs_getattr_nosec 2013-11-09 00:16:31 -05:00
statfs.c vfs: allow O_PATH file descriptors for fstatfs() 2013-10-12 13:12:31 -07:00
super.c fs: Fix theoretical division by 0 in super_cache_scan(). 2014-11-14 08:59:46 -08:00
sync.c Revert "writeback: do not sync data dirtied after sync start" 2014-02-22 02:02:28 +01:00
timerfd.c
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utimes.c locks: break delegations on any attribute modification 2013-11-09 00:16:44 -05:00
xattr.c
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