ext4: document lock ordering
authorJan Kara <jack@suse.com>
Mon, 7 Dec 2015 19:35:49 +0000 (14:35 -0500)
committerTheodore Ts'o <tytso@mit.edu>
Mon, 7 Dec 2015 19:35:49 +0000 (14:35 -0500)
commite74031fd7ed0989da8a80364b4d269a57e9c164a
tree82a6520202b1e4637fbfebd7088058bd42c2e5cd
parent011278485ecc3cd2a3954b5d4c73101d919bf1fa
ext4: document lock ordering

We have enough locks that it's probably worth documenting the lock
ordering rules we have in ext4.

Signed-off-by: Jan Kara <jack@suse.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
fs/ext4/super.c