Hi Changman, > -----Original Message----- > From: Changman Lee [mailto:cm224.lee@xxxxxxxxxxx] > Sent: Tuesday, December 23, 2014 7:31 AM > To: linux-fsdevel@xxxxxxxxxxxxxxx; linux-f2fs-devel@xxxxxxxxxxxxxxxxxxxxx > Subject: [f2fs-dev] [PATCH] 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@xxxxxxxxxxx> > --- > fs/f2fs/debug.c | 3 +++ > fs/f2fs/f2fs.h | 5 ++++- > fs/f2fs/segment.c | 1 + > 3 files changed, 8 insertions(+), 1 deletion(-) > > diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c > index 91e8f69..46bef86 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 = 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", > diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h > index ec58bb2..ae6dfb6 100644 > --- a/fs/f2fs/f2fs.h > +++ b/fs/f2fs/f2fs.h > @@ -589,6 +589,7 @@ 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 */ > + unsigned int inplace_count; /* # of inplace update */ Shouldn't we use atomic type for more accurate? Thanks > 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 */ > @@ -1514,6 +1515,7 @@ struct f2fs_stat_info { > > unsigned int segment_count[2]; > unsigned int block_count[2]; > + unsigned int inplace_count; > unsigned base_mem, cache_mem; > }; > > @@ -1553,7 +1555,8 @@ 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) \ > + ((sbi)->inplace_count++) > #define stat_inc_seg_count(sbi, type) \ > do { \ > struct f2fs_stat_info *si = F2FS_STAT(sbi); \ > diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c > index 42607a6..fd9bc96 100644 > --- a/fs/f2fs/segment.c > +++ b/fs/f2fs/segment.c > @@ -1235,6 +1235,7 @@ void write_data_page(struct page *page, struct dnode_of_data *dn, > void rewrite_data_page(struct page *page, block_t old_blkaddr, > struct f2fs_io_info *fio) > { > + stat_inc_inplace_blocks(F2FS_P_SB(page)); > f2fs_submit_page_mbio(F2FS_P_SB(page), page, old_blkaddr, fio); > } > > -- > 1.9.1 > > > ------------------------------------------------------------------------------ > Dive into the World of Parallel Programming! The Go Parallel Website, > sponsored by Intel and developed in partnership with Slashdot Media, is your > hub for all things parallel software development, from weekly thought > leadership blogs to news, videos, case studies, tutorials and more. Take a > look and join the conversation now. http://goparallel.sourceforge.net > _______________________________________________ > Linux-f2fs-devel mailing list > Linux-f2fs-devel@xxxxxxxxxxxxxxxxxxxxx > https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
