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| author |   Changman Lee <cm224.lee@samsung.com> | 2014-12-24 02:16:54 +0900 |
|---|---|---|
| committer |   Jaegeuk Kim <jaegeuk@kernel.org> | 2015-01-09 17:02:25 -0800 |
| commit | b9a2c252071d44d4a22082611db84272be1f3b49 (patch) | |
| tree | 648488af676b159b8c37996730a8e0e1fc3c8179 /fs/f2fs | |
| parent | f2fs: avoid double lock for cp_rwsem (diff) | |
| download | linux-dev-b9a2c252071d44d4a22082611db84272be1f3b49.tar.xz linux-dev-b9a2c252071d44d4a22082611db84272be1f3b49.zip | |
f2fs: add block count by in-place-update in stat info
This patch adds block count by in-place-update in stat.
Signed-off-by: Changman Lee <cm224.lee@samsung.com>
Reviewed-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/debug.c | 4 | ||||
| -rw-r--r-- | fs/f2fs/f2fs.h | 6 | ||||
| -rw-r--r-- | fs/f2fs/segment.c | 1 |
3 files changed, 10 insertions, 1 deletions
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c index 91e8f699ab30..2b6422156ea0 100644 --- a/fs/f2fs/debug.c +++ b/fs/f2fs/debug.c @@ -79,6 +79,8 @@ static void update_general_status(struct f2fs_sb_info *sbi) si->segment_count[i] = sbi->segment_count[i]; si->block_count[i] = sbi->block_count[i]; } + + si->inplace_count = atomic_read(&sbi->inplace_count); } /* @@ -277,6 +279,7 @@ static int stat_show(struct seq_file *s, void *v) for (j = 0; j < si->util_free; j++) seq_putc(s, '-'); seq_puts(s, "]\n\n"); + seq_printf(s, "IPU: %u blocks\n", si->inplace_count); seq_printf(s, "SSR: %u blocks in %u segments\n", si->block_count[SSR], si->segment_count[SSR]); seq_printf(s, "LFS: %u blocks in %u segments\n", @@ -331,6 +334,7 @@ int f2fs_build_stats(struct f2fs_sb_info *sbi) atomic_set(&sbi->inline_inode, 0); atomic_set(&sbi->inline_dir, 0); + atomic_set(&sbi->inplace_count, 0); mutex_lock(&f2fs_stat_mutex); list_add_tail(&si->stat_list, &f2fs_stat_list); diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 3f07b504f6d8..3226af06e050 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -592,6 +592,7 @@ struct f2fs_sb_info { struct f2fs_stat_info *stat_info; /* FS status information */ unsigned int segment_count[2]; /* # of allocated segments */ unsigned int block_count[2]; /* # of allocated blocks */ + atomic_t inplace_count; /* # of inplace update */ int total_hit_ext, read_hit_ext; /* extent cache hit ratio */ atomic_t inline_inode; /* # of inline_data inodes */ atomic_t inline_dir; /* # of inline_dentry inodes */ @@ -1523,6 +1524,7 @@ struct f2fs_stat_info { unsigned int segment_count[2]; unsigned int block_count[2]; + unsigned int inplace_count; unsigned base_mem, cache_mem; }; @@ -1562,7 +1564,8 @@ static inline struct f2fs_stat_info *F2FS_STAT(struct f2fs_sb_info *sbi) ((sbi)->segment_count[(curseg)->alloc_type]++) #define stat_inc_block_count(sbi, curseg) \ ((sbi)->block_count[(curseg)->alloc_type]++) - +#define stat_inc_inplace_blocks(sbi) \ + (atomic_inc(&(sbi)->inplace_count)) #define stat_inc_seg_count(sbi, type) \ do { \ struct f2fs_stat_info *si = F2FS_STAT(sbi); \ @@ -1608,6 +1611,7 @@ void f2fs_destroy_root_stats(void); #define stat_dec_inline_dir(inode) #define stat_inc_seg_type(sbi, curseg) #define stat_inc_block_count(sbi, curseg) +#define stat_inc_inplace_blocks(sbi) #define stat_inc_seg_count(si, type) #define stat_inc_tot_blk_count(si, blks) #define stat_inc_data_blk_count(si, blks) diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index b688991514fb..f995a850dfe7 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -1230,6 +1230,7 @@ void write_data_page(struct page *page, struct dnode_of_data *dn, void rewrite_data_page(struct page *page, struct f2fs_io_info *fio) { + stat_inc_inplace_blocks(F2FS_P_SB(page)); f2fs_submit_page_mbio(F2FS_P_SB(page), page, fio); } |