Yunlei He 05eeb118a0 f2fs: replace __get_victim by dirty_segments in FG_GC ... In FG_GC process, it will search victim section twice. This will cause some dirty section with less valid blocks skip garbage collection. section # 26425 : valid blocks # 3 142.037567: get_victim_by_default: victim 26425 : valid blocks # 3 142.037585: f2fs_get_victim: dev = (259,30), type = No TYPE, policy = (Foreground GC, LFS-mode, Greedy), victim = 26425 ofs_unit = 1, pre_victim_secno = 26425, prefree = 0, free = 244 142.039494: f2fs_get_victim: dev = (259,30), type = Hot DATA, policy = (Background GC, SSR-mode, Greedy), victim = 19022 ofs_unit = 1, pre_victim_secno = 26425, prefree = 0, free = 24 142.070247: new_curseg: Debug: alloc new segment 26746 142.244341: f2fs_get_victim: dev = (259,30), type = No TYPE, policy = (Foreground GC, LFS-mode, Greedy), victim = 26054 ofs_unit = 1, pre_victim_secno = 26054, prefree = 0, free = 243 142.254475: do_garbage_collect: Debug: FG_GC, seg_freed = 1 142.293131: f2fs_get_victim: dev = (259,30), type = Warm DATA, policy = (Background GC, SSR-mode, Greedy), victim = 23466 ofs_unit = 1, pre_victim_secno = -1, prefree = 0, free = 244 142.319001: f2fs_get_victim: dev = (259,30), type = Warm DATA, policy = (Background GC, SSR-mode, Greedy), victim = 23467 ofs_unit = 1, pre_victim_secno = -1, prefree = 0, free = 244 142.368879: get_victim_by_default: victim 26425 : valid blocks # 3 142.368894: f2fs_get_victim: dev = (259,30), type = No TYPE, policy = (Foreground GC, LFS-mode, Greedy), victim = 26425 ofs_unit = 1, pre_victim_secno = 26425, prefree = 0, free = 244 142.378127: f2fs_get_victim: dev = (259,30), type = Hot DATA, policy = (Background GC, SSR-mode, Greedy), victim = 19612 ofs_unit = 1, pre_victim_secno = 26425, prefree = 0, free = 24 142.416917: new_curseg: Debug: alloc new segment 26054 142.656794: f2fs_get_victim: dev = (259,30), type = No TYPE, policy = (Foreground GC, LFS-mode, Greedy), victim = 25404 ofs_unit = 1, pre_victim_secno = 25404, prefree = 0, free = 243 142.662139: do_garbage_collect: Debug: FG_GC, seg_freed = 1 142.684159: new_curseg: Debug: alloc new segment 25197 142.685059: get_victim_by_default: victim 26425 : valid blocks # 3 142.685079: f2fs_get_victim: dev = (259,30), type = No TYPE, policy = (Foreground GC, LFS-mode, Greedy), victim = 26425 ofs_unit = 1, pre_victim_secno = 26425, prefree = 0, free = 243 142.701427: f2fs_get_victim: dev = (259,30), type = No TYPE, policy = (Foreground GC, LFS-mode, Greedy), victim = 26238 ofs_unit = 1, pre_victim_secno = 26238, prefree = 0, free = 243 142.707105: do_garbage_collect: Debug: FG_GC, seg_freed = 1 142.802444: f2fs_get_victim: dev = (259,30), type = Warm DATA, policy = (Background GC, SSR-mode, Greedy), victim = 23473 ofs_unit = 1, pre_victim_secno = -1, prefree = 0, free = 244 142.804422: get_victim_by_default: victim 26425 : valid blocks # 3 142.804443: f2fs_get_victim: dev = (259,30), type = No TYPE, policy = (Foreground GC, LFS-mode, Greedy), victim = 26425 ofs_unit = 1, pre_victim_secno = 26425, prefree = 0, free = 244 142.851567: f2fs_get_victim: dev = (259,30), type = Hot DATA, policy = (Background GC, SSR-mode, Greedy), victim = 19092 ofs_unit = 1, pre_victim_secno = 26425, prefree = 0, free = 24 142.865014: new_curseg: Debug: alloc new segment 26238 143.082245: f2fs_get_victim: dev = (259,30), type = No TYPE, policy = (Foreground GC, LFS-mode, Greedy), victim = 26307 ofs_unit = 1, pre_victim_secno = 26307, prefree = 0, free = 244 143.088252: do_garbage_collect: Debug: FG_GC, seg_freed = 1 143.128307: new_curseg: Debug: alloc new segment 25404 143.181846: get_victim_by_default: victim 26425 : valid blocks # 3 143.181872: f2fs_get_victim: dev = (259,30), type = No TYPE, policy = (Foreground GC, LFS-mode, Greedy), victim = 26425 ofs_unit = 1, pre_victim_secno = 26425, prefree = 0, free = 244 Signed-off-by: Yunlei He <heyunlei@huawei.com> Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>		2017-02-23 11:23:26 -08:00
..
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: remove preflush for nobarrier case	2017-02-23 10:10:48 -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
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
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