Jaegeuk Kim 8d4ea29b64 f2fs: write pending bios when cp_error is set ... When testing ioc_shutdown, put_super is able to be hanged by waiting for writebacking pages as follows. INFO: task umount:2723 blocked for more than 120 seconds. Tainted: G O 4.4.0-rc3+ #8 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. umount D ffff88000859f9d8 0 2723 2110 0x00000000 ffff88000859f9d8 0000000000000000 0000000000000000 ffffffff81e11540 ffff880078c225c0 ffff8800085a0000 ffff88007fc17440 7fffffffffffffff ffffffff818239f0 ffff88000859fb48 ffff88000859f9f0 ffffffff8182310c Call Trace: [<ffffffff818239f0>] ? bit_wait+0x50/0x50 [<ffffffff8182310c>] schedule+0x3c/0x90 [<ffffffff81827fb9>] schedule_timeout+0x2d9/0x430 [<ffffffff810e0f8f>] ? mark_held_locks+0x6f/0xa0 [<ffffffff8111614d>] ? ktime_get+0x7d/0x140 [<ffffffff818239f0>] ? bit_wait+0x50/0x50 [<ffffffff8106a655>] ? kvm_clock_get_cycles+0x25/0x30 [<ffffffff8111617c>] ? ktime_get+0xac/0x140 [<ffffffff818239f0>] ? bit_wait+0x50/0x50 [<ffffffff81822564>] io_schedule_timeout+0xa4/0x110 [<ffffffff81823a25>] bit_wait_io+0x35/0x50 [<ffffffff818235bd>] __wait_on_bit+0x5d/0x90 [<ffffffff811b9e8b>] wait_on_page_bit+0xcb/0xf0 [<ffffffff810d5f90>] ? autoremove_wake_function+0x40/0x40 [<ffffffff811cf84c>] truncate_inode_pages_range+0x4bc/0x840 [<ffffffff811cfc3d>] truncate_inode_pages_final+0x4d/0x60 [<ffffffffc023ced5>] f2fs_evict_inode+0x75/0x400 [f2fs] [<ffffffff812639bc>] evict+0xbc/0x190 [<ffffffff81263d19>] iput+0x229/0x2c0 [<ffffffffc0241885>] f2fs_put_super+0x105/0x1a0 [f2fs] [<ffffffff8124756a>] generic_shutdown_super+0x6a/0xf0 [<ffffffff812478f7>] kill_block_super+0x27/0x70 [<ffffffffc0241290>] kill_f2fs_super+0x20/0x30 [f2fs] [<ffffffff81247b03>] deactivate_locked_super+0x43/0x70 [<ffffffff81247f4c>] deactivate_super+0x5c/0x60 [<ffffffff81268d2f>] cleanup_mnt+0x3f/0x90 [<ffffffff81268dc2>] __cleanup_mnt+0x12/0x20 [<ffffffff810ac463>] task_work_run+0x73/0xa0 [<ffffffff810032ac>] exit_to_usermode_loop+0xcc/0xd0 [<ffffffff81003e7c>] syscall_return_slowpath+0xcc/0xe0 [<ffffffff81829ea2>] int_ret_from_sys_call+0x25/0x9f Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>		2015-12-31 13:08:02 -08:00
..
acl.c	f2fs: make posix_acl_create() safer and cleaner	2015-05-07 11:38:31 -07:00
acl.h	f2fs: avoid deadlock on init_inode_metadata	2014-11-03 16:07:33 -08:00
checkpoint.c	f2fs: write pending bios when cp_error is set	2015-12-31 13:08:02 -08:00
crypto_fname.c	f2fs crypto: clean up error handling in f2fs_fname_setup_filename	2015-06-01 16:21:08 -07:00
crypto_key.c	KEYS: Merge the type-specific data with the payload data	2015-10-21 15:18:36 +01:00
crypto_policy.c	f2fs crypto: do not set encryption policy for non-directory by ioctl	2015-06-01 16:21:07 -07:00
crypto.c	f2fs crypto: add alloc_bounce_page	2015-06-11 15:04:20 -07:00
data.c	f2fs: write pending bios when cp_error is set	2015-12-31 13:08:02 -08:00
debug.c	f2fs: use atomic variable for total_extent_tree	2015-12-22 10:31:41 -08:00
dir.c	f2fs: remove f2fs_bug_on in terms of max_depth	2015-12-31 11:42:46 -08:00
extent_cache.c	f2fs: load largest extent all the time	2015-12-30 10:14:20 -08:00
f2fs_crypto.h	f2fs crypto: remove alloc_page for bounce_page	2015-06-01 16:21:10 -07:00
f2fs.h	f2fs: load largest extent all the time	2015-12-30 10:14:20 -08:00
file.c	f2fs: fix f2fs_ioc_abort_volatile_write	2015-12-30 10:53:25 -08:00
gc.c	f2fs: let user being aware of IO error	2015-12-30 10:14:15 -08:00
gc.h	f2fs: support synchronous gc in ioctl	2015-10-09 16:20:56 -07:00
hash.c	f2fs: introduce dot and dotdot name check	2015-05-28 15:41:34 -07:00
inline.c	f2fs: don't convert inline inode when inline_data option is disable	2015-12-30 10:14:10 -08:00
inode.c	f2fs: load largest extent all the time	2015-12-30 10:14:20 -08:00
Kconfig	f2fs: fix typo	2015-08-21 22:43:32 -07:00
Makefile	f2fs: maintain extent cache in separated file	2015-08-04 14:09:58 -07:00
namei.c	f2fs: fix to skip recovering dot dentries in a readonly fs	2015-12-30 10:51:28 -08:00
node.c	f2fs: write pending bios when cp_error is set	2015-12-31 13:08:02 -08:00
node.h	f2fs: use sbi->blocks_per_seg to avoid unnecessary calculation	2015-12-04 12:07:57 -08:00
recovery.c	f2fs: report error of do_checkpoint	2015-12-30 10:14:09 -08:00
segment.c	f2fs: report error of do_checkpoint	2015-12-30 10:14:09 -08:00
segment.h	Revert "f2fs: do not skip dentry block writes"	2015-10-12 13:38:02 -07:00
shrinker.c	f2fs: speed up shrinking extent tree entries	2015-12-30 10:13:00 -08:00
super.c	f2fs: add a max block check for get_data_block_bmap	2015-12-30 10:14:17 -08:00
trace.c	f2fs: add sbi and page pointer in f2fs_io_info	2015-05-28 15:41:32 -07:00
trace.h	f2fs: add sbi and page pointer in f2fs_io_info	2015-05-28 15:41:32 -07:00
xattr.c	f2fs: xattr simplifications	2015-11-13 20:34:34 -05:00
xattr.h	f2fs crypto: add encryption xattr support	2015-05-28 15:41:47 -07:00