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| author |  Chao Yu <yuchao0@huawei.com>
| 2017-03-22 17:23:45 +0800 |
|---|---|---|
| committer |  Jaegeuk Kim <jaegeuk@kernel.org>
| 2017-03-24 15:10:50 -0400 |
| commit | 648d50ba12c805d3fc75105ede7af254b3349dbd (patch) | |
| tree | 4efe2862ac68aa102ed46a03307e4a426456166a /fs/f2fs/f2fs.h | |
| parent | f2fs: fix race condition in between free nid allocator/initializer (diff) | |
| download | linux-648d50ba12c805d3fc75105ede7af254b3349dbd.tar.gz linux-648d50ba12c805d3fc75105ede7af254b3349dbd.tar.bz2 linux-648d50ba12c805d3fc75105ede7af254b3349dbd.zip | |
f2fs: show the max number of volatile operations
This patch adds to show the max number of volatile operations which are
conducting concurrently.
Signed-off-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 | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index a481c8e39b7c..340d62c29a98 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -915,7 +915,9 @@ struct f2fs_sb_info { 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 vw_cnt; /* # of volatile writes */ atomic_t max_aw_cnt; /* max # of atomic writes */ + atomic_t max_vw_cnt; /* max # of volatile writes */ int bg_gc; /* background gc calls */ unsigned int ndirty_inode[NR_INODE_TYPE]; /* # of dirty inodes */ #endif @@ -2328,7 +2330,7 @@ struct f2fs_stat_info { int total_count, utilization; int bg_gc, nr_wb_cp_data, nr_wb_data, nr_flush, nr_discard; int inline_xattr, inline_inode, inline_dir, append, update, orphans; - int aw_cnt, max_aw_cnt; + int aw_cnt, max_aw_cnt, vw_cnt, max_vw_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; @@ -2411,6 +2413,17 @@ static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi) if (cur > max) \ atomic_set(&F2FS_I_SB(inode)->max_aw_cnt, cur); \ } while (0) +#define stat_inc_volatile_write(inode) \ + (atomic_inc(&F2FS_I_SB(inode)->vw_cnt)) +#define stat_dec_volatile_write(inode) \ + (atomic_dec(&F2FS_I_SB(inode)->vw_cnt)) +#define stat_update_max_volatile_write(inode) \ + do { \ + int cur = atomic_read(&F2FS_I_SB(inode)->vw_cnt); \ + int max = atomic_read(&F2FS_I_SB(inode)->max_vw_cnt); \ + if (cur > max) \ + atomic_set(&F2FS_I_SB(inode)->max_vw_cnt, cur); \ + } while (0) #define stat_inc_seg_count(sbi, type, gc_type) \ do { \ struct f2fs_stat_info *si = F2FS_STAT(sbi); \ @@ -2467,6 +2480,9 @@ void f2fs_destroy_root_stats(void); #define stat_inc_atomic_write(inode) #define stat_dec_atomic_write(inode) #define stat_update_max_atomic_write(inode) +#define stat_inc_volatile_write(inode) +#define stat_dec_volatile_write(inode) +#define stat_update_max_volatile_write(inode) #define stat_inc_seg_type(sbi, curseg) #define stat_inc_block_count(sbi, curseg) #define stat_inc_inplace_blocks(sbi) |