ext4: do not send discards as barriers
ext4 already uses synchronous discards, no need to add I/O barriers. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
This commit is contained in:
Родитель
9c35575bbe
Коммит
61002f7db3
|
@ -2567,7 +2567,7 @@ static inline void ext4_issue_discard(struct super_block *sb,
|
|||
trace_ext4_discard_blocks(sb,
|
||||
(unsigned long long) discard_block, count);
|
||||
ret = sb_issue_discard(sb, discard_block, count, GFP_NOFS,
|
||||
BLKDEV_IFL_WAIT | BLKDEV_IFL_BARRIER);
|
||||
BLKDEV_IFL_WAIT);
|
||||
if (ret == EOPNOTSUPP) {
|
||||
ext4_warning(sb, "discard not supported, disabling");
|
||||
clear_opt(EXT4_SB(sb)->s_mount_opt, DISCARD);
|
||||
|
|
Загрузка…
Ссылка в новой задаче