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authorTrond Myklebust <Trond.Myklebust@netapp.com>2008-12-23 15:21:54 -0500
committerTrond Myklebust <Trond.Myklebust@netapp.com>2008-12-23 15:21:54 -0500
commit5584c30630f8a4aac557093b1603e166fe7385be (patch)
treec19db130a3b69bcc6a68eade044732571857db94 /fs/nfs
parentbd7bf9d540c001055fba796ebf146d90e4dd2eb2 (diff)
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NFSv4: Clean up is_atomic_open()
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/dir.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 3e64b98f3a93..121b533f1f28 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -973,7 +973,7 @@ struct dentry_operations nfs4_dentry_operations = {
* Use intent information to determine whether we need to substitute
* the NFSv4-style stateful OPEN for the LOOKUP call
*/
-static int is_atomic_open(struct inode *dir, struct nameidata *nd)
+static int is_atomic_open(struct nameidata *nd)
{
if (nd == NULL || nfs_lookup_check_intent(nd, LOOKUP_OPEN) == 0)
return 0;
@@ -996,7 +996,7 @@ static struct dentry *nfs_atomic_lookup(struct inode *dir, struct dentry *dentry
dir->i_sb->s_id, dir->i_ino, dentry->d_name.name);
/* Check that we are indeed trying to open this file */
- if (!is_atomic_open(dir, nd))
+ if (!is_atomic_open(nd))
goto no_open;
if (dentry->d_name.len > NFS_SERVER(dir)->namelen) {
@@ -1047,10 +1047,10 @@ static int nfs_open_revalidate(struct dentry *dentry, struct nameidata *nd)
struct inode *dir;
int openflags, ret = 0;
+ if (!is_atomic_open(nd))
+ goto no_open;
parent = dget_parent(dentry);
dir = parent->d_inode;
- if (!is_atomic_open(dir, nd))
- goto no_open;
/* We can't create new files in nfs_open_revalidate(), so we
* optimize away revalidation of negative dentries.
*/
@@ -1062,11 +1062,11 @@ static int nfs_open_revalidate(struct dentry *dentry, struct nameidata *nd)
/* NFS only supports OPEN on regular files */
if (!S_ISREG(inode->i_mode))
- goto no_open;
+ goto no_open_dput;
openflags = nd->intent.open.flags;
/* We cannot do exclusive creation on a positive dentry */
if ((openflags & (O_CREAT|O_EXCL)) == (O_CREAT|O_EXCL))
- goto no_open;
+ goto no_open_dput;
/* We can't create new files, or truncate existing ones here */
openflags &= ~(O_CREAT|O_TRUNC);
@@ -1081,8 +1081,9 @@ out:
if (!ret)
d_drop(dentry);
return ret;
-no_open:
+no_open_dput:
dput(parent);
+no_open:
if (inode != NULL && nfs_have_delegation(inode, FMODE_READ))
return 1;
return nfs_lookup_revalidate(dentry, nd);