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| author | Chao Yu <chao2.yu@samsung.com> | 2014-05-06 16:51:24 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2014-05-07 10:21:59 +0900 |
| commit | e57484343898094bb8f72a2aa1a50929d27aa027 (patch) | |
| tree | 546dabf60fe27846c3a8ea2a834a9bb5bec4b42c /fs/f2fs | |
| parent | ecda0de3430455378f1c02523bf3ad71d91d613a (diff) | |
| download | op-kernel-dev-e57484343898094bb8f72a2aa1a50929d27aa027.zip op-kernel-dev-e57484343898094bb8f72a2aa1a50929d27aa027.tar.gz | |
f2fs: add a tracepoint for f2fs_write_{meta,node,data}_pages
This patch adds a tracepoint for f2fs_write_{meta,node,data}_pages to trace when
pages are fsyncing/flushing.
Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/checkpoint.c | 2 | ||||
| -rw-r--r-- | fs/f2fs/data.c | 2 | ||||
| -rw-r--r-- | fs/f2fs/node.c | 2 |
3 files changed, 6 insertions, 0 deletions
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index c95d622..fe968c7 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -186,6 +186,8 @@ static int f2fs_write_meta_pages(struct address_space *mapping, struct f2fs_sb_info *sbi = F2FS_SB(mapping->host->i_sb); long diff, written; + trace_f2fs_writepages(mapping->host, wbc, META); + /* collect a number of dirty meta pages and write together */ if (wbc->for_kupdate || get_pages(sbi, F2FS_DIRTY_META) < nr_pages_to_skip(sbi, META)) diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index b997d55..21bfafa 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -860,6 +860,8 @@ static int f2fs_write_data_pages(struct address_space *mapping, int ret; long diff; + trace_f2fs_writepages(mapping->host, wbc, DATA); + /* deal with chardevs and other special file */ if (!mapping->a_ops->writepage) return 0; diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 49bdddb..3d60d3d 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1242,6 +1242,8 @@ static int f2fs_write_node_pages(struct address_space *mapping, struct f2fs_sb_info *sbi = F2FS_SB(mapping->host->i_sb); long diff; + trace_f2fs_writepages(mapping->host, wbc, NODE); + /* balancing f2fs's metadata in background */ f2fs_balance_fs_bg(sbi); |
