summaryrefslogtreecommitdiffstats
path: root/Documentation/filesystems/porting
diff options
context:
space:
mode:
authorJohannes Berg <johannes.berg@intel.com>2013-12-16 11:23:45 +0100
committerJohannes Berg <johannes.berg@intel.com>2013-12-16 11:23:45 +0100
commitc4de673b775e4db48cd2db6277e0c6714332ca0c (patch)
tree84f9e4728e6ccf257236d2ba063b6e784ec8b65d /Documentation/filesystems/porting
parentmac80211: fix nested sdata lock for IBSS/CSA (diff)
parentath9k: initialize retry chain flags in tx99 code (diff)
downloadlinux-c4de673b775e4db48cd2db6277e0c6714332ca0c.tar.xz
linux-c4de673b775e4db48cd2db6277e0c6714332ca0c.zip
Merge remote-tracking branch 'wireless-next/master' into mac80211-next
Diffstat (limited to 'Documentation/filesystems/porting')
-rw-r--r--Documentation/filesystems/porting8
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting
index f0890581f7f6..fe2b7ae6f962 100644
--- a/Documentation/filesystems/porting
+++ b/Documentation/filesystems/porting
@@ -455,3 +455,11 @@ in your dentry operations instead.
vfs_follow_link has been removed. Filesystems must use nd_set_link
from ->follow_link for normal symlinks, or nd_jump_link for magic
/proc/<pid> style links.
+--
+[mandatory]
+ iget5_locked()/ilookup5()/ilookup5_nowait() test() callback used to be
+ called with both ->i_lock and inode_hash_lock held; the former is *not*
+ taken anymore, so verify that your callbacks do not rely on it (none
+ of the in-tree instances did). inode_hash_lock is still held,
+ of course, so they are still serialized wrt removal from inode hash,
+ as well as wrt set() callback of iget5_locked().