From 5584c30630f8a4aac557093b1603e166fe7385be Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Tue, 23 Dec 2008 15:21:54 -0500 Subject: [PATCH] NFSv4: Clean up is_atomic_open() Signed-off-by: Trond Myklebust --- fs/nfs/dir.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index 3e64b98f3a9..121b533f1f2 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); -- 2.41.1