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| author | Namjae Jeon <namjae.jeon@samsung.com> | 2013-04-20 01:28:40 +0900 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk.kim@samsung.com> | 2013-04-23 15:30:27 +0900 |
| commit | a2a4a7e4abb27c833d4e09ac1d434ab48a64062c (patch) | |
| tree | d23f6c9419d72e66f24c2094d79a43d6e17a6cb9 /fs/f2fs/namei.c | |
| parent | e66509f03e36ef4750bfab8f3a5cf632b313a39b (diff) | |
| download | lwn-a2a4a7e4abb27c833d4e09ac1d434ab48a64062c.tar.gz lwn-a2a4a7e4abb27c833d4e09ac1d434ab48a64062c.zip | |
f2fs: add tracepoints for sync & inode operations
Add tracepoints in f2fs for tracing the syncing
operations like filesystem sync, file sync enter/exit.
It will helf to trace the code under debugging scenarios.
Also add tracepoints for tracing the various inode operations
like building inode, eviction of inode, link/unlike of
inodes.
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Pankaj Kumar <pankaj.km@samsung.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
[Jaegeuk: combine and modify the tracepoint structures]
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
Diffstat (limited to 'fs/f2fs/namei.c')
| -rw-r--r-- | fs/f2fs/namei.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c index 1dbf11d2bc87..c57fd18b769d 100644 --- a/fs/f2fs/namei.c +++ b/fs/f2fs/namei.c @@ -18,6 +18,7 @@ #include "node.h" #include "xattr.h" #include "acl.h" +#include <trace/events/f2fs.h> static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode) { @@ -235,6 +236,7 @@ static int f2fs_unlink(struct inode *dir, struct dentry *dentry) int err = -ENOENT; int ilock; + trace_f2fs_unlink_enter(dir, dentry); f2fs_balance_fs(sbi); de = f2fs_find_entry(dir, &dentry->d_name, &page); @@ -255,6 +257,7 @@ static int f2fs_unlink(struct inode *dir, struct dentry *dentry) /* In order to evict this inode, we set it dirty */ mark_inode_dirty(inode); fail: + trace_f2fs_unlink_exit(inode, err); return err; } |