diff options
| author | Jeff Layton <jlayton@redhat.com> | 2009-09-12 11:54:29 -0400 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2009-09-15 19:45:25 +0000 |
| commit | 48541bd3dd4739b4d574b44ea47660c88d833677 (patch) | |
| tree | 5ee6d16b924b8c171e66088c5bb3b1d1720cd29f | |
| parent | 058daf4f6795fd23fcca41fe53151cdcbbd263ec (diff) | |
| download | linux-3.10-48541bd3dd4739b4d574b44ea47660c88d833677.tar.gz linux-3.10-48541bd3dd4739b4d574b44ea47660c88d833677.tar.bz2 linux-3.10-48541bd3dd4739b4d574b44ea47660c88d833677.zip | |
cifs: have cifsFileInfo hold an extra inode reference
It's possible that this struct will outlive the filp to which it is
attached. If it does and it needs to do some work on the inode, then
it'll need a reference.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
| -rw-r--r-- | fs/cifs/cifsglob.h | 4 | ||||
| -rw-r--r-- | fs/cifs/dir.c | 2 | ||||
| -rw-r--r-- | fs/cifs/file.c | 2 |
3 files changed, 5 insertions, 3 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index 9a7527dc977..c19419a38f6 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -365,8 +365,10 @@ static inline void cifsFileInfo_get(struct cifsFileInfo *cifs_file) /* Release a reference on the file private data */ static inline void cifsFileInfo_put(struct cifsFileInfo *cifs_file) { - if (atomic_dec_and_test(&cifs_file->count)) + if (atomic_dec_and_test(&cifs_file->count)) { + iput(cifs_file->pInode); kfree(cifs_file); + } } /* diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c index 44f735aa2e3..36435502b5e 100644 --- a/fs/cifs/dir.c +++ b/fs/cifs/dir.c @@ -147,7 +147,7 @@ cifs_fill_fileinfo(struct inode *newinode, __u16 fileHandle, pCifsFile->netfid = fileHandle; pCifsFile->pid = current->tgid; - pCifsFile->pInode = newinode; + pCifsFile->pInode = igrab(newinode); pCifsFile->invalidHandle = false; pCifsFile->closePend = false; mutex_init(&pCifsFile->fh_mutex); diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 225d127c960..b976cea2410 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -50,7 +50,7 @@ static inline struct cifsFileInfo *cifs_init_private( mutex_init(&private_data->lock_mutex); INIT_LIST_HEAD(&private_data->llist); private_data->pfile = file; /* needed for writepage */ - private_data->pInode = inode; + private_data->pInode = igrab(inode); private_data->invalidHandle = false; private_data->closePend = false; /* Initialize reference count to one. The private data is |