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| author | Daeho Jeong <daehojeong@google.com> | 2021-07-10 07:53:57 +0200 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2021-07-14 01:09:55 +0200 |
| commit | 07c6b5933ebf58b6132aea9f3e72a62486882bfb (patch) | |
| tree | 4984e5c30b95c1fbe4916874677f4ba063e08c6b /fs/f2fs/f2fs.h | |
| parent | Linux 5.14-rc1 (diff) | |
| download | linux-07c6b5933ebf58b6132aea9f3e72a62486882bfb.tar.xz linux-07c6b5933ebf58b6132aea9f3e72a62486882bfb.zip | |
f2fs: add sysfs nodes to get GC info for each GC mode
Added gc_reclaimed_segments and gc_segment_mode sysfs nodes.
1) "gc_reclaimed_segments" shows how many segments have been
reclaimed by GC during a specific GC mode.
2) "gc_segment_mode" is used to control for which gc mode
the "gc_reclaimed_segments" node shows.
Signed-off-by: Daeho Jeong <daehojeong@google.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/f2fs.h')
| -rw-r--r-- | fs/f2fs/f2fs.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index ee8eb33e2c25..49d35e27db9f 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -1253,6 +1253,7 @@ enum { GC_IDLE_AT, GC_URGENT_HIGH, GC_URGENT_LOW, + MAX_GC_MODE, }; enum { @@ -1733,6 +1734,10 @@ struct f2fs_sb_info { struct kmem_cache *inline_xattr_slab; /* inline xattr entry */ unsigned int inline_xattr_slab_size; /* default inline xattr slab size */ + /* For reclaimed segs statistics per each GC mode */ + unsigned int gc_segment_mode; /* GC state for reclaimed segments */ + unsigned int gc_reclaimed_segs[MAX_GC_MODE]; /* Reclaimed segs for each mode */ + #ifdef CONFIG_F2FS_FS_COMPRESSION struct kmem_cache *page_array_slab; /* page array entry */ unsigned int page_array_slab_size; /* default page array slab size */ |