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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-12-28 13:55:09 -0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2017-01-29 12:46:01 +0900 |
| commit | 26a28a0c1eb756ba18bfb1f93309c4b4406b9cd9 (patch) | |
| tree | efacad1712cadc9258e021c9a107825a3872f04b /fs/f2fs/f2fs.h | |
| parent | ec91538dccd44329ad83d3aae1aa6a8389b5c75f (diff) | |
| download | linux-26a28a0c1eb756ba18bfb1f93309c4b4406b9cd9.tar.bz2 | |
f2fs: show the max number of atomic operations
This patch adds to show the max number of atomic operations which are
conducting concurrently.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/f2fs.h')
| -rw-r--r-- | fs/f2fs/f2fs.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 0d7eaddef4a0..bdcfe2a9b532 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -884,6 +884,8 @@ struct f2fs_sb_info { atomic_t inline_xattr; /* # of inline_xattr inodes */ atomic_t inline_inode; /* # of inline_data inodes */ atomic_t inline_dir; /* # of inline_dentry inodes */ + atomic_t aw_cnt; /* # of atomic writes */ + atomic_t max_aw_cnt; /* max # of atomic writes */ int bg_gc; /* background gc calls */ unsigned int ndirty_inode[NR_INODE_TYPE]; /* # of dirty inodes */ #endif @@ -2236,6 +2238,7 @@ struct f2fs_stat_info { int total_count, utilization; int bg_gc, nr_wb_cp_data, nr_wb_data; int inline_xattr, inline_inode, inline_dir, orphans; + int aw_cnt, max_aw_cnt; unsigned int valid_count, valid_node_count, valid_inode_count, discard_blks; unsigned int bimodal, avg_vblocks; int util_free, util_valid, util_invalid; @@ -2307,6 +2310,17 @@ static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi) ((sbi)->block_count[(curseg)->alloc_type]++) #define stat_inc_inplace_blocks(sbi) \ (atomic_inc(&(sbi)->inplace_count)) +#define stat_inc_atomic_write(inode) \ + (atomic_inc(&F2FS_I_SB(inode)->aw_cnt)); +#define stat_dec_atomic_write(inode) \ + (atomic_dec(&F2FS_I_SB(inode)->aw_cnt)); +#define stat_update_max_atomic_write(inode) \ + do { \ + int cur = atomic_read(&F2FS_I_SB(inode)->aw_cnt); \ + int max = atomic_read(&F2FS_I_SB(inode)->max_aw_cnt); \ + if (cur > max) \ + atomic_set(&F2FS_I_SB(inode)->max_aw_cnt, cur); \ + } while (0) #define stat_inc_seg_count(sbi, type, gc_type) \ do { \ struct f2fs_stat_info *si = F2FS_STAT(sbi); \ @@ -2360,6 +2374,9 @@ void f2fs_destroy_root_stats(void); #define stat_dec_inline_inode(inode) #define stat_inc_inline_dir(inode) #define stat_dec_inline_dir(inode) +#define stat_inc_atomic_write(inode) +#define stat_dec_atomic_write(inode) +#define stat_update_max_atomic_write(inode) #define stat_inc_seg_type(sbi, curseg) #define stat_inc_block_count(sbi, curseg) #define stat_inc_inplace_blocks(sbi) |