Jaegeuk Kim 86d54795c9 f2fs: do not wait for writeback in write_begin ... Otherwise we can get livelock like below. [79880.428136] dbench D 0 18405 18404 0x00000000 [79880.428139] Call Trace: [79880.428142] __schedule+0x219/0x6b0 [79880.428144] schedule+0x36/0x80 [79880.428147] schedule_timeout+0x243/0x2e0 [79880.428152] ? update_sd_lb_stats+0x16b/0x5f0 [79880.428155] ? ktime_get+0x3c/0xb0 [79880.428157] io_schedule_timeout+0xa6/0x110 [79880.428161] __lock_page+0xf7/0x130 [79880.428164] ? unlock_page+0x30/0x30 [79880.428167] pagecache_get_page+0x16b/0x250 [79880.428171] grab_cache_page_write_begin+0x20/0x40 [79880.428182] f2fs_write_begin+0xa2/0xdb0 [f2fs] [79880.428192] ? f2fs_mark_inode_dirty_sync+0x16/0x30 [f2fs] [79880.428197] ? kmem_cache_free+0x79/0x200 [79880.428203] ? __mark_inode_dirty+0x17f/0x360 [79880.428206] generic_perform_write+0xbb/0x190 [79880.428213] ? file_update_time+0xa4/0xf0 [79880.428217] __generic_file_write_iter+0x19b/0x1e0 [79880.428226] f2fs_file_write_iter+0x9c/0x180 [f2fs] [79880.428231] __vfs_write+0xc5/0x140 [79880.428235] vfs_write+0xb2/0x1b0 [79880.428238] SyS_write+0x46/0xa0 [79880.428242] entry_SYSCALL_64_fastpath+0x1e/0xad Fixes: cae96a5c8ab6 ("f2fs: check io submission more precisely") Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>		2017-02-23 11:23:27 -08:00
..
Kconfig	f2fs: add mount option to select fault injection ratio	2016-05-07 10:32:22 -07:00
Makefile	fs crypto: move per-file encryption from f2fs tree to fs/crypto	2016-03-17 21:19:33 -07:00
acl.c	f2fs: keep dirty inodes selectively for checkpoint	2016-11-23 12:11:08 -08:00
acl.h	f2fs: remove dead code f2fs_check_acl	2016-09-14 16:52:36 -07:00
checkpoint.c	f2fs: remove build_free_nids() during checkpoint	2017-02-23 10:10:53 -08:00
data.c	f2fs: do not wait for writeback in write_begin	2017-02-23 11:23:27 -08:00
debug.c	f2fs: show # of APPEND and UPDATE inodes	2017-02-22 20:54:53 -08:00
dir.c	f2fs: fix multiple f2fs_add_link() calls having same name	2017-02-23 11:23:25 -08:00
extent_cache.c	f2fs: use rb_entry_safe	2017-01-29 12:46:01 +09:00
f2fs.h	f2fs: fix multiple f2fs_add_link() calls having same name	2017-02-23 11:23:25 -08:00
file.c	f2fs: change recovery policy of xattr node block	2017-02-23 10:10:52 -08:00
gc.c	f2fs: replace __get_victim by dirty_segments in FG_GC	2017-02-23 11:23:26 -08:00
gc.h	f2fs: detect idle time depending on user behavior	2016-01-11 15:56:37 -08:00
hash.c	f2fs: introduce dot and dotdot name check	2015-05-28 15:41:34 -07:00
inline.c	for-f2fs-4.10	2016-12-14 09:07:36 -08:00
inode.c	f2fs: record inode updating status correctly	2016-11-23 12:11:25 -08:00
namei.c	f2fs: don't allow encrypted operations without keys	2017-01-29 12:46:01 +09:00
node.c	f2fs: avoid reading NAT page by get_node_info	2017-02-23 10:21:47 -08:00
node.h	f2fs: change recovery policy of xattr node block	2017-02-23 10:10:52 -08:00
recovery.c	f2fs: change recovery policy of xattr node block	2017-02-23 10:10:52 -08:00
segment.c	f2fs: show actual device info in tracepoints	2017-02-23 11:23:24 -08:00
segment.h	f2fs: check in-memory sit version bitmap	2017-02-22 18:48:50 -08:00
shrinker.c	f2fs: avoid casted negative value as shrink count	2016-11-23 12:11:03 -08:00
super.c	f2fs: enable inline_xattr by default	2017-02-23 10:21:49 -08:00
trace.c	f2fs: use bio op accessors	2016-06-07 13:41:38 -06:00
trace.h	f2fs: add sbi and page pointer in f2fs_io_info	2015-05-28 15:41:32 -07:00
xattr.c	f2fs: change recovery policy of xattr node block	2017-02-23 10:10:52 -08:00
xattr.h	f2fs: enhance lookup xattr	2017-02-22 20:24:51 -08:00