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| author |   Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2013-04-25 13:24:33 +0900 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2013-04-29 10:52:01 +0900 |
| commit | d70b4f53b950676228297f0b204f2e1512c1ff6c (patch) | |
| tree | 1996ac697866902378e357a52bd54eb7fd1fe0b4 | |
| parent | f2fs: check nid == 0 in add_free_nid (diff) | |
| download | linux-dev-d70b4f53b950676228297f0b204f2e1512c1ff6c.tar.xz linux-dev-d70b4f53b950676228297f0b204f2e1512c1ff6c.zip | |
f2fs: add a tracepoint on f2fs_new_inode
This can help when debugging the free nid allocation flows.
Reviewed-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
| -rw-r--r-- | fs/f2fs/namei.c | 3 | ||||
| -rw-r--r-- | include/trace/events/f2fs.h | 7 |
2 files changed, 9 insertions, 1 deletions
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c index c57fd18b769d..4aa26e53c935 100644 --- a/fs/f2fs/namei.c +++ b/fs/f2fs/namei.c @@ -63,7 +63,7 @@ static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode) nid_free = true; goto out; } - + trace_f2fs_new_inode(inode, 0); mark_inode_dirty(inode); return inode; @@ -71,6 +71,7 @@ out: clear_nlink(inode); unlock_new_inode(inode); fail: + trace_f2fs_new_inode(inode, err); iput(inode); if (nid_free) alloc_nid_failed(sbi, ino); diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index b2b2f72a023d..52ae54828eda 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -197,6 +197,13 @@ DEFINE_EVENT(f2fs__inode, f2fs_evict_inode, TP_ARGS(inode) ); +DEFINE_EVENT(f2fs__inode_exit, f2fs_new_inode, + + TP_PROTO(struct inode *inode, int ret), + + TP_ARGS(inode, ret) +); + TRACE_EVENT(f2fs_unlink_enter, TP_PROTO(struct inode *dir, struct dentry *dentry), |