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-rw-r--r--fs/ext4/fsync.c28
1 files changed, 13 insertions, 15 deletions
diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c
index 35ff9a56db67..1d668c8f131f 100644
--- a/fs/ext4/fsync.c
+++ b/fs/ext4/fsync.c
@@ -44,30 +44,28 @@
*/
static int ext4_sync_parent(struct inode *inode)
{
- struct dentry *dentry = NULL;
- struct inode *next;
+ struct dentry *dentry, *next;
int ret = 0;
if (!ext4_test_inode_state(inode, EXT4_STATE_NEWENTRY))
return 0;
- inode = igrab(inode);
+ dentry = d_find_any_alias(inode);
+ if (!dentry)
+ return 0;
while (ext4_test_inode_state(inode, EXT4_STATE_NEWENTRY)) {
ext4_clear_inode_state(inode, EXT4_STATE_NEWENTRY);
- dentry = d_find_any_alias(inode);
- if (!dentry)
- break;
- next = igrab(d_inode(dentry->d_parent));
+
+ next = dget_parent(dentry);
dput(dentry);
- if (!next)
- break;
- iput(inode);
- inode = next;
+ dentry = next;
+ inode = dentry->d_inode;
+
/*
* The directory inode may have gone through rmdir by now. But
* the inode itself and its blocks are still allocated (we hold
- * a reference to the inode so it didn't go through
- * ext4_evict_inode()) and so we are safe to flush metadata
- * blocks and the inode.
+ * a reference to the inode via its dentry), so it didn't go
+ * through ext4_evict_inode()) and so we are safe to flush
+ * metadata blocks and the inode.
*/
ret = sync_mapping_buffers(inode->i_mapping);
if (ret)
@@ -76,7 +74,7 @@ static int ext4_sync_parent(struct inode *inode)
if (ret)
break;
}
- iput(inode);
+ dput(dentry);
return ret;
}