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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2022-08-20 00:52:02 +0200 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2022-09-13 08:07:12 +0200 |
| commit | c7b58576370147833999fd4cc874d0f918bdf9ca (patch) | |
| tree | f7202bfbb28fd6ba52babb4361fac7fa7db910eb /fs/f2fs/checkpoint.c | |
| parent | f2fs: remove gc_urgent_high_limited for cleanup (diff) | |
| download | linux-c7b58576370147833999fd4cc874d0f918bdf9ca.tar.xz linux-c7b58576370147833999fd4cc874d0f918bdf9ca.zip | |
f2fs: flush pending checkpoints when freezing super
This avoids -EINVAL when trying to freeze f2fs.
Cc: stable@vger.kernel.org
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/checkpoint.c')
| -rw-r--r-- | fs/f2fs/checkpoint.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 7de48e791920..7bf1feb5ac78 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -1893,15 +1893,27 @@ int f2fs_start_ckpt_thread(struct f2fs_sb_info *sbi) void f2fs_stop_ckpt_thread(struct f2fs_sb_info *sbi) { struct ckpt_req_control *cprc = &sbi->cprc_info; + struct task_struct *ckpt_task; - if (cprc->f2fs_issue_ckpt) { - struct task_struct *ckpt_task = cprc->f2fs_issue_ckpt; + if (!cprc->f2fs_issue_ckpt) + return; - cprc->f2fs_issue_ckpt = NULL; - kthread_stop(ckpt_task); + ckpt_task = cprc->f2fs_issue_ckpt; + cprc->f2fs_issue_ckpt = NULL; + kthread_stop(ckpt_task); - flush_remained_ckpt_reqs(sbi, NULL); - } + f2fs_flush_ckpt_thread(sbi); +} + +void f2fs_flush_ckpt_thread(struct f2fs_sb_info *sbi) +{ + struct ckpt_req_control *cprc = &sbi->cprc_info; + + flush_remained_ckpt_reqs(sbi, NULL); + + /* Let's wait for the previous dispatched checkpoint. */ + while (atomic_read(&cprc->queued_ckpt)) + io_schedule_timeout(DEFAULT_IO_TIMEOUT); } void f2fs_init_ckpt_req_control(struct f2fs_sb_info *sbi) |