diff options
| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2023-03-24 01:37:54 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2023-03-30 01:17:40 +0300 |
| commit | 1aa161e43106d46ca8e9a86f4aa28d420258134b (patch) | |
| tree | b55a9961a24a039259934a24ef359b8d53565d82 /fs/f2fs | |
| parent | 92318f20d703885d0602bb5654a52d593ca45e30 (diff) | |
| download | linux-1aa161e43106d46ca8e9a86f4aa28d420258134b.tar.xz | |
f2fs: fix scheduling while atomic in decompression path
[ 16.945668][ C0] Call trace:
[ 16.945678][ C0] dump_backtrace+0x110/0x204
[ 16.945706][ C0] dump_stack_lvl+0x84/0xbc
[ 16.945735][ C0] __schedule_bug+0xb8/0x1ac
[ 16.945756][ C0] __schedule+0x724/0xbdc
[ 16.945778][ C0] schedule+0x154/0x258
[ 16.945793][ C0] bit_wait_io+0x48/0xa4
[ 16.945808][ C0] out_of_line_wait_on_bit+0x114/0x198
[ 16.945824][ C0] __sync_dirty_buffer+0x1f8/0x2e8
[ 16.945853][ C0] __f2fs_commit_super+0x140/0x1f4
[ 16.945881][ C0] f2fs_commit_super+0x110/0x28c
[ 16.945898][ C0] f2fs_handle_error+0x1f4/0x2f4
[ 16.945917][ C0] f2fs_decompress_cluster+0xc4/0x450
[ 16.945942][ C0] f2fs_end_read_compressed_page+0xc0/0xfc
[ 16.945959][ C0] f2fs_handle_step_decompress+0x118/0x1cc
[ 16.945978][ C0] f2fs_read_end_io+0x168/0x2b0
[ 16.945993][ C0] bio_endio+0x25c/0x2c8
[ 16.946015][ C0] dm_io_dec_pending+0x3e8/0x57c
[ 16.946052][ C0] clone_endio+0x134/0x254
[ 16.946069][ C0] bio_endio+0x25c/0x2c8
[ 16.946084][ C0] blk_update_request+0x1d4/0x478
[ 16.946103][ C0] scsi_end_request+0x38/0x4cc
[ 16.946129][ C0] scsi_io_completion+0x94/0x184
[ 16.946147][ C0] scsi_finish_command+0xe8/0x154
[ 16.946164][ C0] scsi_complete+0x90/0x1d8
[ 16.946181][ C0] blk_done_softirq+0xa4/0x11c
[ 16.946198][ C0] _stext+0x184/0x614
[ 16.946214][ C0] __irq_exit_rcu+0x78/0x144
[ 16.946234][ C0] handle_domain_irq+0xd4/0x154
[ 16.946260][ C0] gic_handle_irq.33881+0x5c/0x27c
[ 16.946281][ C0] call_on_irq_stack+0x40/0x70
[ 16.946298][ C0] do_interrupt_handler+0x48/0xa4
[ 16.946313][ C0] el1_interrupt+0x38/0x68
[ 16.946346][ C0] el1h_64_irq_handler+0x20/0x30
[ 16.946362][ C0] el1h_64_irq+0x78/0x7c
[ 16.946377][ C0] finish_task_switch+0xc8/0x3d8
[ 16.946394][ C0] __schedule+0x600/0xbdc
[ 16.946408][ C0] preempt_schedule_common+0x34/0x5c
[ 16.946423][ C0] preempt_schedule+0x44/0x48
[ 16.946438][ C0] process_one_work+0x30c/0x550
[ 16.946456][ C0] worker_thread+0x414/0x8bc
[ 16.946472][ C0] kthread+0x16c/0x1e0
[ 16.946486][ C0] ret_from_fork+0x10/0x20
Fixes: bff139b49d9f ("f2fs: handle decompress only post processing in softirq")
Fixes: 95fa90c9e5a7 ("f2fs: support recording errors into superblock")
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/compress.c | 7 | ||||
| -rw-r--r-- | fs/f2fs/f2fs.h | 1 | ||||
| -rw-r--r-- | fs/f2fs/super.c | 2 |
3 files changed, 8 insertions, 2 deletions
diff --git a/fs/f2fs/compress.c b/fs/f2fs/compress.c index 9b7149534a58..3182e1506252 100644 --- a/fs/f2fs/compress.c +++ b/fs/f2fs/compress.c @@ -755,7 +755,12 @@ void f2fs_decompress_cluster(struct decompress_io_ctx *dic, bool in_task) if (dic->clen > PAGE_SIZE * dic->nr_cpages - COMPRESS_HEADER_SIZE) { ret = -EFSCORRUPTED; - f2fs_handle_error(sbi, ERROR_FAIL_DECOMPRESSION); + + /* Avoid f2fs_commit_super in irq context */ + if (in_task) + f2fs_save_errors(sbi, ERROR_FAIL_DECOMPRESSION); + else + f2fs_handle_error(sbi, ERROR_FAIL_DECOMPRESSION); goto out_release; } diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 53a005b420cf..4e2596dacbf1 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -3539,6 +3539,7 @@ int f2fs_quota_sync(struct super_block *sb, int type); loff_t max_file_blocks(struct inode *inode); void f2fs_quota_off_umount(struct super_block *sb); void f2fs_handle_stop(struct f2fs_sb_info *sbi, unsigned char reason); +void f2fs_save_errors(struct f2fs_sb_info *sbi, unsigned char flag); void f2fs_handle_error(struct f2fs_sb_info *sbi, unsigned char error); int f2fs_commit_super(struct f2fs_sb_info *sbi, bool recover); int f2fs_sync_fs(struct super_block *sb, int sync); diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 9c87d91df61b..50d23dcc33fb 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -3885,7 +3885,7 @@ void f2fs_handle_stop(struct f2fs_sb_info *sbi, unsigned char reason) f2fs_up_write(&sbi->sb_lock); } -static void f2fs_save_errors(struct f2fs_sb_info *sbi, unsigned char flag) +void f2fs_save_errors(struct f2fs_sb_info *sbi, unsigned char flag) { spin_lock(&sbi->error_lock); if (!test_bit(flag, (unsigned long *)sbi->errors)) { |