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btrfs: document device locking
authorDavid Sterba <dsterba@suse.com>
Fri, 16 Jun 2017 20:30:00 +0000 (22:30 +0200)
committerDavid Sterba <dsterba@suse.com>
Mon, 22 Jan 2018 15:08:12 +0000 (16:08 +0100)
commit9c6b1c4de1c64cd35d029ed6e0428d0a57fa632b
tree15e25dc67cdd2e1bed370a1b4e0adaad7986f19c
parent5c4cf6c91d717b76008b0c8fef7b2947b5da2a4f
btrfs: document device locking

Overview of the main locks protecting various device-related structures.

Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/volumes.c