f2fs: replace congestion_wait() calls with io_schedule_timeout()

As congestion is no longer tracked, congestion_wait() is effectively
equivalent to io_schedule_timeout().

So introduce f2fs_io_schedule_timeout() which sets TASK_UNINTERRUPTIBLE
and call that instead.

Link: https://lkml.kernel.org/r/164549983744.9187.6425865370954230902.stgit@noble.brown
Signed-off-by: NeilBrown <neilb@suse.de>
Cc: Anna Schumaker <Anna.Schumaker@Netapp.com>
Cc: Chao Yu <chao@kernel.org>
Cc: Darrick J. Wong <djwong@kernel.org>
Cc: Ilya Dryomov <idryomov@gmail.com>
Cc: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: Jan Kara <jack@suse.cz>
Cc: Jeff Layton <jlayton@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Lars Ellenberg <lars.ellenberg@linbit.com>
Cc: Miklos Szeredi <miklos@szeredi.hu>
Cc: Paolo Valente <paolo.valente@linaro.org>
Cc: Philipp Reisner <philipp.reisner@linbit.com>
Cc: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Cc: Trond Myklebust <trond.myklebust@hammerspace.com>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
NeilBrown
2022-03-22 14:39:13 -07:00
committed by Linus Torvalds
parent b9b1335e64
commit a64239d0ef
5 changed files with 13 additions and 14 deletions

View File

@@ -313,8 +313,7 @@ next:
skip:
iput(inode);
}
congestion_wait(BLK_RW_ASYNC, DEFAULT_IO_TIMEOUT);
cond_resched();
f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT);
if (gc_failure) {
if (++looped >= count)
return;
@@ -803,8 +802,7 @@ int f2fs_flush_device_cache(struct f2fs_sb_info *sbi)
do {
ret = __submit_flush_wait(sbi, FDEV(i).bdev);
if (ret)
congestion_wait(BLK_RW_ASYNC,
DEFAULT_IO_TIMEOUT);
f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT);
} while (ret && --count);
if (ret) {
@@ -3133,7 +3131,7 @@ next:
blk_finish_plug(&plug);
mutex_unlock(&dcc->cmd_lock);
trimmed += __wait_all_discard_cmd(sbi, NULL);
congestion_wait(BLK_RW_ASYNC, DEFAULT_IO_TIMEOUT);
f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT);
goto next;
}
skip: