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f2fs: add a tracepoint on f2fs_new_inode

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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>
This commit is contained in:
Jaegeuk Kim 2013-04-25 13:24:33 +09:00
parent 9198aceb53
commit d70b4f53b9
2 changed files with 9 additions and 1 deletions
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3
fs/f2fs/namei.c
View File

@ -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);

7
include/trace/events/f2fs.h
View File

@ -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),