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f2fs: replace congestion_wait() calls with io_schedule_timeout()

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[ Upstream commit a64239d0ef ]

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>
Stable-dep-of: fd244524c2cf ("f2fs: compress: fix to cover normal cluster write with cp_rwsem")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
NeilBrown
2022-03-22 14:39:13 -07:00
committed by Sasha Levin
parent bc7e7e7d64
commit 5d553a56de
5 changed files with 13 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
fs/f2fs/compress.c
View File

@@ -1504,9 +1504,7 @@ continue_unlock:
if (IS_NOQUOTA(cc->inode))
return 0;
ret = 0;
cond_resched();
congestion_wait(BLK_RW_ASYNC,
DEFAULT_IO_TIMEOUT);
f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT);
goto retry_write;
}
return ret;

3
fs/f2fs/data.c
View File

@@ -3157,8 +3157,7 @@ result:
} else if (ret == -EAGAIN) {
ret = 0;
if (wbc->sync_mode == WB_SYNC_ALL) {
cond_resched();
congestion_wait(BLK_RW_ASYNC,
f2fs_io_schedule_timeout(
DEFAULT_IO_TIMEOUT);
goto retry_write;
}

6
fs/f2fs/f2fs.h
View File

@@ -4412,6 +4412,12 @@ static inline bool f2fs_block_unit_discard(struct f2fs_sb_info *sbi)
return F2FS_OPTION(sbi).discard_unit == DISCARD_UNIT_BLOCK;
}
static inline void f2fs_io_schedule_timeout(long timeout)
{
set_current_state(TASK_UNINTERRUPTIBLE);
io_schedule_timeout(timeout);
}
#define EFSBADCRC EBADMSG /* Bad CRC detected */
#define EFSCORRUPTED EUCLEAN /* Filesystem is corrupted */

8
fs/f2fs/segment.c
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;
@@ -789,8 +788,7 @@ 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) {
@@ -3106,7 +3104,7 @@ 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:

6
fs/f2fs/super.c
View File

@@ -2168,8 +2168,7 @@ static void f2fs_enable_checkpoint(struct f2fs_sb_info *sbi)
/* we should flush all the data to keep data consistency */
do {
sync_inodes_sb(sbi->sb);
cond_resched();
congestion_wait(BLK_RW_ASYNC, DEFAULT_IO_TIMEOUT);
f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT);
} while (get_pages(sbi, F2FS_DIRTY_DATA) && retry--);
if (unlikely(retry < 0))
@@ -2540,8 +2539,7 @@ retry:
&page, &fsdata);
if (unlikely(err)) {
if (err == -ENOMEM) {
congestion_wait(BLK_RW_ASYNC,
DEFAULT_IO_TIMEOUT);
f2fs_io_schedule_timeout(DEFAULT_IO_TIMEOUT);
goto retry;
}
set_sbi_flag(F2FS_SB(sb), SBI_QUOTA_NEED_REPAIR);