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5dc84855b0
linux-next/fs/afs
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David Howells 5dc84855b0 afs: Only update d_fsdata if different in afs_d_revalidate() 
In the in-kernel afs filesystem, d_fsdata is set with the data version of
the parent directory.  afs_d_revalidate() will update this to the current
directory version, but it shouldn't do this if it the value it read from
d_fsdata is the same as no lock is held and cmpxchg() is not used.

Fix the code to only change the value if it is different from the current
directory version.

Fixes: 260a980317 ("[AFS]: Add "directory write" support.")
Signed-off-by: David Howells <dhowells@redhat.com>
2019-07-30 14:38:51 +01:00
..
addr_list.c Keyrings namespacing 2019-07-08 19:36:47 -07:00
afs_cm.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
afs_fs.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
afs_vl.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
afs.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
cache.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
callback.c afs: Trace afs_server usage 2019-06-20 18:12:17 +01:00
cell.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
cmservice.c afs: Fix the CB.ProbeUuid service handler to reply correctly 2019-07-30 14:38:51 +01:00
dir_edit.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
dir_silly.c fsnotify: move fsnotify_nameremove() hook out of d_delete() 2019-06-20 14:47:44 +02:00
dir.c afs: Only update d_fsdata if different in afs_d_revalidate() 2019-07-30 14:38:51 +01:00
dynroot.c Keyrings namespacing 2019-07-08 19:36:47 -07:00
file.c fs: afs: Fix a possible null-pointer dereference in afs_put_read() 2019-07-30 14:38:51 +01:00
flock.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
fs_probe.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
fsclient.c afs: fsclient: Mark expected switch fall-throughs 2019-07-25 20:09:49 -05:00
inode.c afs: Add some callback management tracepoints 2019-06-20 18:12:16 +01:00
internal.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2019-07-11 10:55:49 -07:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
main.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
Makefile afs: do not send list of client addresses 2019-06-02 18:06:26 -07:00
misc.c AFS development 2019-07-10 20:55:33 -07:00
mntpt.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
proc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
protocol_uae.h afs: Add support for the UAE error table 2019-06-28 18:37:53 +01:00
protocol_yfs.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
rotate.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
rxrpc.c AFS development 2019-07-10 20:55:33 -07:00
security.c Revert "Merge tag 'keys-acl-20190703' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs" 2019-07-10 18:43:43 -07:00
server_list.c AFS development 2019-07-10 20:55:33 -07:00
server.c AFS development 2019-07-10 20:55:33 -07:00
super.c afs: Pass pre-fetch server and volume break counts into afs_iget5_set() 2019-05-16 22:23:21 +01:00
vl_list.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
vl_probe.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
vl_rotate.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
vlclient.c afs: Fix loop index mixup in afs_deliver_vl_get_entry_by_name_u() 2019-07-30 14:38:51 +01:00
volume.c AFS fixes 2019-06-28 08:34:12 +08:00
write.c AFS development 2019-07-10 20:55:33 -07:00
xattr.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
xdr_fs.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 36 2019-05-24 17:27:11 +02:00
yfsclient.c afs: yfsclient: Mark expected switch fall-throughs 2019-07-25 20:09:46 -05:00