diff options
| author | Hou Pengyang <houpengyang@huawei.com> | 2017-02-27 13:02:58 +0000 |
|---|---|---|
| committer | Mister Oyster <oysterized@gmail.com> | 2017-04-13 12:35:07 +0200 |
| commit | d5248f64bdd9c876b3005c92f9eb598c95b1e0e1 (patch) | |
| tree | d4c60a3474c188a6334c9fa2a8f6d5e78cb939f6 | |
| parent | 84fdcccd1ac38a3600ce6b38c33d886e3468e80b (diff) | |
f2fs: add f2fs_drop_inode tracepoint
Signed-off-by: Hou Pengyang <houpengyang@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
| -rw-r--r-- | fs/f2fs/super.c | 7 | ||||
| -rw-r--r-- | include/trace/events/f2fs.h | 7 |
2 files changed, 12 insertions, 2 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index a6ff408be..8dace377d 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -613,6 +613,7 @@ static struct inode *f2fs_alloc_inode(struct super_block *sb) static int f2fs_drop_inode(struct inode *inode) { + int ret; /* * This is to avoid a deadlock condition like below. * writeback_single_inode(inode) @@ -645,10 +646,12 @@ static int f2fs_drop_inode(struct inode *inode) spin_lock(&inode->i_lock); atomic_dec(&inode->i_count); } + trace_f2fs_drop_inode(inode, 0); return 0; } - - return generic_drop_inode(inode); + ret = generic_drop_inode(inode); + trace_f2fs_drop_inode(inode, ret); + return ret; } int f2fs_inode_dirtied(struct inode *inode, bool sync) diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index d7815ecf3..d51b5f9f2 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -274,6 +274,13 @@ DEFINE_EVENT(f2fs__inode_exit, f2fs_unlink_exit, TP_ARGS(inode, ret) ); +DEFINE_EVENT(f2fs__inode_exit, f2fs_drop_inode, + + TP_PROTO(struct inode *inode, int ret), + + TP_ARGS(inode, ret) +); + DEFINE_EVENT(f2fs__inode, f2fs_truncate, TP_PROTO(struct inode *inode), |