f2fs: add to account meta IO
This patch supports to account meta IO, it enables to show write IO
from f2fs more comprehensively via 'status' debugfs entry.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index dcfa6a9..46cdb53 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -201,6 +201,7 @@ enum {
META_NAT,
META_SIT,
META_SSA,
+ META_MAX,
META_POR,
DATA_GENERIC,
META_GENERIC,
@@ -1260,6 +1261,7 @@ struct f2fs_sb_info {
*/
#ifdef CONFIG_F2FS_STAT_FS
struct f2fs_stat_info *stat_info; /* FS status information */
+ atomic_t meta_count[META_MAX]; /* # of meta blocks */
unsigned int segment_count[2]; /* # of allocated segments */
unsigned int block_count[2]; /* # of allocated blocks */
atomic_t inplace_count; /* # of inplace update */
@@ -3123,6 +3125,7 @@ struct f2fs_stat_info {
int cursec[NR_CURSEG_TYPE];
int curzone[NR_CURSEG_TYPE];
+ unsigned int meta_count[META_MAX];
unsigned int segment_count[2];
unsigned int block_count[2];
unsigned int inplace_count;
@@ -3174,6 +3177,17 @@ static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi)
if (f2fs_has_inline_dentry(inode)) \
(atomic_dec(&F2FS_I_SB(inode)->inline_dir)); \
} while (0)
+#define stat_inc_meta_count(sbi, blkaddr) \
+ do { \
+ if (blkaddr < SIT_I(sbi)->sit_base_addr) \
+ atomic_inc(&(sbi)->meta_count[META_CP]); \
+ else if (blkaddr < NM_I(sbi)->nat_blkaddr) \
+ atomic_inc(&(sbi)->meta_count[META_SIT]); \
+ else if (blkaddr < SM_I(sbi)->ssa_blkaddr) \
+ atomic_inc(&(sbi)->meta_count[META_NAT]); \
+ else if (blkaddr < SM_I(sbi)->main_blkaddr) \
+ atomic_inc(&(sbi)->meta_count[META_SSA]); \
+ } while (0)
#define stat_inc_seg_type(sbi, curseg) \
((sbi)->segment_count[(curseg)->alloc_type]++)
#define stat_inc_block_count(sbi, curseg) \
@@ -3261,6 +3275,7 @@ void f2fs_destroy_root_stats(void);
#define stat_inc_volatile_write(inode) do { } while (0)
#define stat_dec_volatile_write(inode) do { } while (0)
#define stat_update_max_volatile_write(inode) do { } while (0)
+#define stat_inc_meta_count(sbi, blkaddr) do { } while (0)
#define stat_inc_seg_type(sbi, curseg) do { } while (0)
#define stat_inc_block_count(sbi, curseg) do { } while (0)
#define stat_inc_inplace_blocks(sbi) do { } while (0)