Jaegeuk Kim 98237fcda4 f2fs: use spin_lock to avoid hang ... [14696.634553] task:cat state:D stack: 0 pid:1613738 ppid:1613735 flags:0x00000004 [14696.638285] Call Trace: [14696.639038] <TASK> [14696.640032] __schedule+0x302/0x930 [14696.640969] schedule+0x58/0xd0 [14696.641799] schedule_preempt_disabled+0x18/0x30 [14696.642890] __mutex_lock.constprop.0+0x2fb/0x4f0 [14696.644035] ? mod_objcg_state+0x10c/0x310 [14696.645040] ? obj_cgroup_charge+0xe1/0x170 [14696.646067] __mutex_lock_slowpath+0x13/0x20 [14696.647126] mutex_lock+0x34/0x40 [14696.648070] stat_show+0x25/0x17c0 [f2fs] [14696.649218] seq_read_iter+0x120/0x4b0 [14696.650289] ? aa_file_perm+0x12a/0x500 [14696.651357] ? lru_cache_add+0x1c/0x20 [14696.652470] seq_read+0xfd/0x140 [14696.653445] full_proxy_read+0x5c/0x80 [14696.654535] vfs_read+0xa0/0x1a0 [14696.655497] ksys_read+0x67/0xe0 [14696.656502] __x64_sys_read+0x1a/0x20 [14696.657580] do_syscall_64+0x3b/0xc0 [14696.658671] entry_SYSCALL_64_after_hwframe+0x44/0xae [14696.660068] RIP: 0033:0x7efe39df1cb2 [14696.661133] RSP: 002b:00007ffc8badd948 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [14696.662958] RAX: ffffffffffffffda RBX: 0000000000020000 RCX: 00007efe39df1cb2 [14696.664757] RDX: 0000000000020000 RSI: 00007efe399df000 RDI: 0000000000000003 [14696.666542] RBP: 00007efe399df000 R08: 00007efe399de010 R09: 00007efe399de010 [14696.668363] R10: 0000000000000022 R11: 0000000000000246 R12: 0000000000000000 [14696.670155] R13: 0000000000000003 R14: 0000000000020000 R15: 0000000000020000 [14696.671965] </TASK> [14696.672826] task:umount state:D stack: 0 pid:1614985 ppid:1614984 flags:0x00004000 [14696.674930] Call Trace: [14696.675903] <TASK> [14696.676780] __schedule+0x302/0x930 [14696.677927] schedule+0x58/0xd0 [14696.679019] schedule_preempt_disabled+0x18/0x30 [14696.680412] __mutex_lock.constprop.0+0x2fb/0x4f0 [14696.681783] ? destroy_inode+0x65/0x80 [14696.683006] __mutex_lock_slowpath+0x13/0x20 [14696.684305] mutex_lock+0x34/0x40 [14696.685442] f2fs_destroy_stats+0x1e/0x60 [f2fs] [14696.686803] f2fs_put_super+0x158/0x390 [f2fs] [14696.688238] generic_shutdown_super+0x7a/0x120 [14696.689621] kill_block_super+0x27/0x50 [14696.690894] kill_f2fs_super+0x7f/0x100 [f2fs] [14696.692311] deactivate_locked_super+0x35/0xa0 [14696.693698] deactivate_super+0x40/0x50 [14696.694985] cleanup_mnt+0x139/0x190 [14696.696209] __cleanup_mnt+0x12/0x20 [14696.697390] task_work_run+0x64/0xa0 [14696.698587] exit_to_user_mode_prepare+0x1b7/0x1c0 [14696.700053] syscall_exit_to_user_mode+0x27/0x50 [14696.701418] do_syscall_64+0x48/0xc0 [14696.702630] entry_SYSCALL_64_after_hwframe+0x44/0xae Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>		2022-03-17 09:16:22 -07:00
..
Kconfig	f2fs: introduce F2FS_UNFAIR_RWSEM to support unfair rwsem	2022-03-04 09:15:53 -08:00
Makefile	f2fs: separate out iostat feature	2021-08-23 10:25:51 -07:00
acl.c	f2fs: support idmapped mounts	2022-02-12 06:20:46 -08:00
acl.h	vfs: add rcu argument to ->get_acl() callback	2021-08-18 22:08:24 +02:00
checkpoint.c	f2fs: avoid an infinite loop in f2fs_sync_dirty_inodes	2022-03-04 09:15:46 -08:00
compress.c	f2fs: move f2fs to use reader-unfair rwsems	2022-01-24 17:40:04 -08:00
data.c	f2fs: fix to avoid potential deadlock	2022-03-03 13:30:48 -08:00
debug.c	f2fs: use spin_lock to avoid hang	2022-03-17 09:16:22 -07:00
dir.c	f2fs: move f2fs to use reader-unfair rwsems	2022-01-24 17:40:04 -08:00
extent_cache.c	f2fs: support fault injection for f2fs_kmem_cache_alloc()	2021-08-17 11:59:05 -07:00
f2fs.h	f2fs: don't get FREEZE lock in f2fs_evict_inode in frozen fs	2022-03-11 07:36:17 -08:00
file.c	f2fs: remove unnecessary read for F2FS_FITS_IN_INODE	2022-03-09 18:48:25 -08:00
gc.c	f2fs: fix to unlock page correctly in error path of is_alive()	2022-02-03 22:21:28 -08:00
gc.h	f2fs: introduce gc_merge mount option	2021-03-30 18:48:56 -07:00
hash.c	f2fs: Handle casefolding with Encryption	2020-12-02 22:00:21 -08:00
inline.c	f2fs: move f2fs to use reader-unfair rwsems	2022-01-24 17:40:04 -08:00
inode.c	f2fs: don't get FREEZE lock in f2fs_evict_inode in frozen fs	2022-03-11 07:36:17 -08:00
iostat.c	f2fs: use iomap for direct I/O	2021-12-10 15:48:30 -08:00
iostat.h	f2fs: introduce periodic iostat io latency traces	2021-08-23 10:25:51 -07:00
namei.c	f2fs: support idmapped mounts	2022-02-12 06:20:46 -08:00
node.c	f2fs: fix to avoid potential deadlock	2022-03-03 13:30:48 -08:00
node.h	f2fs: add a way to limit roll forward recovery time	2022-02-12 05:58:18 -08:00
recovery.c	f2fs: add a way to limit roll forward recovery time	2022-02-12 05:58:18 -08:00
segment.c	f2fs: fix to do sanity check on curseg->alloc_type	2022-03-03 18:19:41 -08:00
segment.h	f2fs: introduce F2FS_IPU_HONOR_OPU_WRITE ipu policy	2022-02-07 11:28:35 -08:00
shrinker.c	f2fs: avoid race condition for shrinker count	2020-12-03 00:59:26 -08:00
super.c	f2fs: don't get FREEZE lock in f2fs_evict_inode in frozen fs	2022-03-11 07:36:17 -08:00
sysfs.c	f2fs: add a way to limit roll forward recovery time	2022-02-12 05:58:18 -08:00
verity.c	f2fs: move f2fs to use reader-unfair rwsems	2022-01-24 17:40:04 -08:00
xattr.c	f2fs: move f2fs to use reader-unfair rwsems	2022-01-24 17:40:04 -08:00
xattr.h	f2fs: code cleanup by removing ifdef macro surrounding	2020-05-26 18:56:10 -07:00