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| author | Chao Yu <chao@kernel.org> | 2023-05-18 10:14:12 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2023-06-12 13:04:08 -0700 |
| commit | 901c12d144570ed2558f4a6806201453c5b01bea (patch) | |
| tree | b82bdee12cb1d3e739d25c918a7da5fb6624525c /fs/f2fs/super.c | |
| parent | 458c15dfbce62c35fefd9ca637b20a051309c9f1 (diff) | |
| download | linux-901c12d144570ed2558f4a6806201453c5b01bea.tar.gz linux-901c12d144570ed2558f4a6806201453c5b01bea.tar.bz2 linux-901c12d144570ed2558f4a6806201453c5b01bea.zip | |
f2fs: flush error flags in workqueue
In IRQ context, it wakes up workqueue to record errors into on-disk
superblock fields rather than in-memory fields.
Fixes: 1aa161e43106 ("f2fs: fix scheduling while atomic in decompression path")
Fixes: 95fa90c9e5a7 ("f2fs: support recording errors into superblock")
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/super.c')
| -rw-r--r-- | fs/f2fs/super.c | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 6e770f82d39f..ee390c398e1c 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -3995,6 +3995,11 @@ static void f2fs_record_stop_reason(struct f2fs_sb_info *sbi) f2fs_down_write(&sbi->sb_lock); spin_lock_irqsave(&sbi->error_lock, flags); + if (sbi->error_dirty) { + memcpy(F2FS_RAW_SUPER(sbi)->s_errors, sbi->errors, + MAX_F2FS_ERRORS); + sbi->error_dirty = false; + } memcpy(raw_super->s_stop_reason, sbi->stop_reason, MAX_STOP_REASON); spin_unlock_irqrestore(&sbi->error_lock, flags); @@ -4034,12 +4039,10 @@ static bool f2fs_update_errors(struct f2fs_sb_info *sbi) return need_update; } -void f2fs_handle_error(struct f2fs_sb_info *sbi, unsigned char error) +static void f2fs_record_errors(struct f2fs_sb_info *sbi, unsigned char error) { int err; - f2fs_save_errors(sbi, error); - f2fs_down_write(&sbi->sb_lock); if (!f2fs_update_errors(sbi)) @@ -4053,6 +4056,23 @@ out_unlock: f2fs_up_write(&sbi->sb_lock); } +void f2fs_handle_error(struct f2fs_sb_info *sbi, unsigned char error) +{ + f2fs_save_errors(sbi, error); + f2fs_record_errors(sbi, error); +} + +void f2fs_handle_error_async(struct f2fs_sb_info *sbi, unsigned char error) +{ + f2fs_save_errors(sbi, error); + + if (!sbi->error_dirty) + return; + if (!test_bit(error, (unsigned long *)sbi->errors)) + return; + schedule_work(&sbi->s_error_work); +} + static bool system_going_down(void) { return system_state == SYSTEM_HALT || system_state == SYSTEM_POWER_OFF |