[PATCH] Btrfs: remove unused wait queue in struct extent_buffer

2014-06-16 Thread Filipe David Borba Manana
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

Re: [PATCH] Btrfs: remove unused wait queue in struct extent_buffer

2014-06-16 Thread Satoru Takeuchi
Hi Filipe, (2014/06/16 21:14), Filipe David Borba Manana wrote: 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