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| author | Mark Fasheh | 2007-10-18 21:36:10 +0200 |
|---|---|---|
| committer | Mark Fasheh | 2007-11-07 00:31:52 +0100 |
| commit | 9f70968af3e6e21612e06e153aa71c62dee5a09b (patch) | |
| tree | c4a11e07d94ad99fe13512b3b1a117de2613c300 /fs/ocfs2/dcache.c | |
| parent | ocfs2: Create locks at initially requested level (diff) | |
| download | kernel-qcow2-linux-9f70968af3e6e21612e06e153aa71c62dee5a09b.tar.gz kernel-qcow2-linux-9f70968af3e6e21612e06e153aa71c62dee5a09b.tar.xz kernel-qcow2-linux-9f70968af3e6e21612e06e153aa71c62dee5a09b.zip | |
ocfs2: Re-order iput in ocfs2_drop_dentry_lock
Do this to avoid a theoretical (I haven't seen this in practice) race where
the downconvert thread might drop the dentry lock, allowing a remote unlink
to proceed before dropping the inode locks. This could bounce access to the
orphan dir between nodes.
There doesn't seem to be a need to do the same in ocfs2_dentry_iput() as
that's never called for the last ref drop from the downconvert thread.
Signed-off-by: Mark Fasheh <mark.fasheh@oracle.com>
Diffstat (limited to 'fs/ocfs2/dcache.c')
| -rw-r--r-- | fs/ocfs2/dcache.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ocfs2/dcache.c b/fs/ocfs2/dcache.c index 3094ddb7a254..1957a5ed219e 100644 --- a/fs/ocfs2/dcache.c +++ b/fs/ocfs2/dcache.c @@ -318,9 +318,9 @@ out_attach: static void ocfs2_drop_dentry_lock(struct ocfs2_super *osb, struct ocfs2_dentry_lock *dl) { + iput(dl->dl_inode); ocfs2_simple_drop_lockres(osb, &dl->dl_lockres); ocfs2_lock_res_free(&dl->dl_lockres); - iput(dl->dl_inode); kfree(dl); } |