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Btrfs: remove unused wait queue in struct extent_buffer
authorFilipe Manana <fdmanana@gmail.com>
Mon, 16 Jun 2014 12:14:25 +0000 (13:14 +0100)
committerChris Mason <clm@fb.com>
Thu, 19 Jun 2014 21:20:28 +0000 (14:20 -0700)
The lock_wq wait queue is not used anywhere, therefore just remove it.
On a x86_64 system, this reduced sizeof(struct extent_buffer) from 320
bytes down to 296 bytes, which means a 4Kb page can now be used for
13 extent buffers instead of 12.

Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com>
Signed-off-by: Chris Mason <clm@fb.com>
fs/btrfs/extent_io.h patch | blob | history

diff --cc fs/btrfs/extent_io.h
Simple merge
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