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android_kernel_samsung_msm8976/fs
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Trond Myklebust 270e234c60 NFSv4: Fix races between nfs_remove_bad_delegation() and delegation return 
commit 869f9dfa4d6d57b79e0afc3af14772c2a023eeb1 upstream.

Any attempt to call nfs_remove_bad_delegation() while a delegation is being
returned is currently a no-op. This means that we can end up looping
forever in nfs_end_delegation_return() if something causes the delegation
to be revoked.
This patch adds a mechanism whereby the state recovery code can communicate
to the delegation return code that the delegation is no longer valid and
that it should not be used when reclaiming state.
It also changes the return value for nfs4_handle_delegation_recall_error()
to ensure that nfs_end_delegation_return() does not reattempt the lock
reclaim before state recovery is done.

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 09:22:54 -08:00
..
9p aio: don't include aio.h in sched.h 2013-05-07 20:16:25 -07:00
adfs
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affs
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afs aio: don't include aio.h in sched.h 2013-05-07 20:16:25 -07:00
autofs4 autofs - remove autofs dentry mount check 2013-05-06 13:06:59 -07:00
befs befs_readdir(): do not increment ->f_pos if filldir tells us to stop 2013-05-31 15:17:56 -04:00
bfs
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btrfs Btrfs: fix kfree on list_head in btrfs_lookup_csums_range error cleanup 2014-11-14 08:48:01 -08:00
cachefiles lift sb_start_write() out of ->write() 2013-04-09 14:12:56 -04:00
ceph ceph: allow sync_read/write return partial successed size of read/write. 2014-01-09 12:24:25 -08:00
cifs CIFS: Fix SMB2 readdir error handling 2014-10-05 14:54:11 -07:00
coda lift sb_start_write() out of ->write() 2013-04-09 14:12:56 -04:00
configfs configfs: fix race between dentry put and lookup 2013-11-29 11:11:53 -08:00
cramfs
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debugfs debugfs: debugfs_remove_recursive() must not rely on list_empty(d_subdirs) 2013-08-14 22:59:10 -07:00
devpts devpts: plug the memory leak in kill_sb 2013-12-04 10:55:49 -08:00
dlm Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2013-05-01 14:08:52 -07:00
ecryptfs ecryptfs: avoid to access NULL pointer when write metadata in xattr 2014-10-30 09:35:13 -07:00
efivarfs efivarfs: Never return ENOENT from firmware again 2013-05-13 20:12:10 +01:00
efs
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exofs ore: Fix wrong math in allocation of per device BIO 2014-02-13 13:48:00 -08:00
exportfs
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ext2 ext2: Fix fs corruption in ext2_get_xip_mem() 2014-10-05 14:54:15 -07:00
ext3 ext3: Don't check quota format when there are no quota files 2014-11-14 08:48:00 -08:00
ext4 ext4: fix oops when loading block bitmap failed 2014-11-14 08:47:58 -08:00
f2fs f2fs updates for v3.10 2013-05-08 15:11:48 -07:00
fat fat: fix possible overflow for fat_clusters 2013-05-24 16:22:50 -07:00
freevxfs
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fscache fs/fscache/stats.c: fix memory leak 2013-04-29 15:54:27 -07:00
fuse fuse: handle large user and group ID 2014-07-28 08:00:02 -07:00
gfs2 GFS2: Increase i_writecount during gfs2_setattr_chown 2014-01-25 08:27:11 -08:00
hfs hfs: avoid crash in hfs_bnode_create 2013-05-24 16:22:51 -07:00
hfsplus aio: don't include aio.h in sched.h 2013-05-07 20:16:25 -07:00
hostfs hostfs: use kmalloc instead of kzalloc 2013-05-04 15:48:45 -04:00
hpfs hpfs: better test for errors 2013-07-13 11:42:26 -07:00
hppfs hppfs: get rid of ->fsync() 2013-04-29 15:41:42 -04:00
hugetlbfs cope with potentially long ->d_dname() output for shmem/hugetlb 2013-10-18 07:45:45 -07:00
isofs isofs: Fix unbounded recursion when processing relocated directories 2014-09-05 16:28:34 -07:00
jbd Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs 2013-05-03 09:56:25 -07:00
jbd2 jbd2: free bh when descriptor block checksum fails 2014-11-14 08:47:57 -08:00
jffs2 kill wbuf_queued/wbuf_dwork_lock 2014-11-14 08:47:55 -08:00
jfs jfs: fix error path in ialloc 2013-11-13 12:05:31 +09:00
lockd lockd: Try to reconnect if statd has moved 2014-11-14 08:47:53 -08:00
logfs
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minix
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ncpfs ncpfs: fix rmdir returns Device or resource busy 2013-06-07 12:15:38 -04:00
nfs NFSv4: Fix races between nfs_remove_bad_delegation() and delegation return 2014-11-21 09:22:54 -08:00
nfs_common
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nfsd nfsd4: fix crash on unknown operation number 2014-11-14 08:48:00 -08:00
nilfs2 nilfs2: fix data loss with mmap() 2014-10-05 14:54:14 -07:00
nls
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notify fanotify: enable close-on-exec on events' fd when requested in fanotify_init() 2014-10-30 09:35:12 -07:00
ntfs aio: don't include aio.h in sched.h 2013-05-07 20:16:25 -07:00
ocfs2 ocfs2/dlm: do not get resource spinlock if lockres is new 2014-10-05 14:54:14 -07:00
omfs
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openpromfs
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proc CAPABILITIES: remove undefined caps from all processes 2014-09-17 09:03:57 -07:00
pstore pstore: Fix duplicate {console,ftrace}-efi entries 2014-11-14 08:47:55 -08:00
qnx4
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qnx6 qnx6: qnx6_readdir() has a braino in pos calculation 2013-05-31 15:17:31 -04:00
quota quota: Properly return errors from dquot_writeback_dquots() 2014-11-14 08:48:00 -08:00
ramfs
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reiserfs reiserfs: call truncate_setsize under tailpack mutex 2014-07-06 18:54:15 -07:00
romfs romfs: fix nommu map length to keep inside filesystem 2013-04-29 09:17:57 +10:00
squashfs
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sysfs sysfs: check if one entry has been removed before freeing 2013-04-05 15:35:52 -07:00
sysv sysv: Add forgotten superblock lock init for v7 fs 2013-10-05 07:13:09 -07:00
ubifs UBIFS: fix free log space calculation 2014-11-14 08:47:54 -08:00
udf udf: Avoid infinite loop when processing indirect ICBs 2014-10-09 12:18:42 -07:00
ufs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2013-04-30 09:36:50 -07:00
xfs xfs: don't zero partial page cache pages during O_DIRECT writes 2014-09-17 09:04:01 -07:00
Kconfig efivarfs: Move to fs/efivarfs 2013-04-17 13:25:09 +01:00
Kconfig.binfmt fs: make binfmt support for #! scripts modular and removable 2013-04-30 17:04:04 -07:00
Makefile Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-05-01 17:51:54 -07:00
aio.c aio: fix kernel memory disclosure in io_getevents() introduced in v3.10 2014-06-30 20:09:45 -07:00
anon_inodes.c
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attr.c fs,userns: Change inode_capable to capable_wrt_inode_uidgid 2014-06-16 13:42:52 -07:00
bad_inode.c
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binfmt_aout.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-05-01 17:51:54 -07:00
binfmt_elf.c fs/binfmt_elf.c: prevent a coredump with a large vm_map_count from Oopsing 2013-10-13 16:08:31 -07:00
binfmt_elf_fdpic.c Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc 2013-05-02 10:16:16 -07:00
binfmt_em86.c
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binfmt_flat.c new helper: read_code() 2013-04-29 15:40:23 -04:00
binfmt_misc.c binfmt_misc: reuse string_unescape_inplace() 2013-04-30 17:04:03 -07:00
binfmt_script.c
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binfmt_som.c
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bio-integrity.c bio-integrity: Fix bio_integrity_verify segment start bug 2014-03-23 21:38:21 -07:00
bio.c block: Fix bio_copy_data() 2013-10-05 07:13:09 -07:00
block_dev.c writeback: Fix periodic writeback after fs mount 2013-07-28 16:29:40 -07:00
buffer.c vfs: fix data corruption when blocksize < pagesize for mmaped data 2014-11-14 08:47:54 -08:00
char_dev.c
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compat.c aio: don't include aio.h in sched.h 2013-05-07 20:16:25 -07:00
compat_binfmt_elf.c
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compat_ioctl.c Removed unused typedef to avoid "unused local typedef" warnings. 2013-05-04 15:03:05 -04:00
coredump.c coredump: fix the setting of PF_DUMPCORE 2014-07-31 12:53:50 -07:00
coredump.h
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dcache.c vfs: fix bad hashing of dentries 2014-09-17 09:04:02 -07:00
dcookies.c fs/compat: fix lookup_dcookie() parameter handling 2014-02-13 13:48:00 -08:00
direct-io.c Merge branch 'for-3.10/core' of git://git.kernel.dk/linux-block 2013-05-08 10:13:35 -07:00
drop_caches.c
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eventfd.c
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eventpoll.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal 2013-05-01 07:21:43 -07:00
exec.c metag: Reduce maximum stack size to 256MB 2014-06-07 13:25:38 -07:00
fcntl.c
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fhandle.c
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file.c fs/file.c:fdtable: avoid triggering OOMs from alloc_fdmem 2014-02-22 12:41:25 -08:00
file_table.c don't bother with {get,put}_write_access() on non-regular files 2014-05-30 21:52:12 -07:00
filesystems.c
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fs-writeback.c bdi: avoid oops on device removal 2014-04-26 17:15:35 -07:00
fs_struct.c
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generic_acl.c
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inode.c fs,userns: Change inode_capable to capable_wrt_inode_uidgid 2014-06-16 13:42:52 -07:00
internal.h splice: don't pass the address of ->f_pos to methods 2013-06-20 19:02:45 +04:00
ioctl.c
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ioprio.c block: Fix computation of merged request priority 2014-11-21 09:22:53 -08:00
libfs.c
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locks.c locks: allow __break_lease to sleep even when break_time is 0 2014-05-13 13:59:44 +02:00
mbcache.c
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mount.h vfs: Is mounted should be testing mnt_ns for NULL or error. 2014-02-06 11:08:16 -08:00
mpage.c
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namei.c vfs: fix bad hashing of dentries 2014-09-17 09:04:02 -07:00
namespace.c mnt: Prevent pivot_root from creating a loop in the mount tree 2014-11-14 08:47:55 -08:00
no-block.c
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open.c don't bother with {get,put}_write_access() on non-regular files 2014-05-30 21:52:12 -07:00
pipe.c vfs: fix subtle use-after-free of pipe_inode_info 2013-12-11 22:36:26 -08:00
pnode.c vfs: Fix invalid ida_remove() call 2013-05-31 15:16:33 -04:00
pnode.h Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-05-01 17:51:54 -07:00
posix_acl.c posix_acl: handle NULL ACL in posix_acl_equiv_mode 2014-06-07 13:25:33 -07:00
proc_namespace.c
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read_write.c fs/compat: fix parameter handling for compat readv/writev syscalls 2014-02-13 13:48:00 -08:00
readdir.c
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select.c
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seq_file.c seq_file: always update file->f_pos in seq_lseek() 2013-11-13 12:05:34 +09:00
signalfd.c
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splice.c fuse: fix pipe_buf_operations 2014-02-13 13:47:59 -08:00
stack.c
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stat.c
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statfs.c vfs: allow O_PATH file descriptors for fstatfs() 2013-10-18 07:45:44 -07:00
super.c fs: Fix theoretical division by 0 in super_cache_scan(). 2014-11-14 08:47:54 -08:00
sync.c
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timerfd.c
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utimes.c
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xattr.c
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xattr_acl.c
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