[PATCH] make O_EXCL in nd->intent.flags visible in nd->flags

New flag: LOOKUP_EXCL.  Set before doing the final step of pathname
resolution on the paths that have LOOKUP_CREATE and O_EXCL.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2008-08-05 03:00:49 -04:00
parent 2c552d8136
commit 3516586a42
4 changed files with 9 additions and 8 deletions

View File

@@ -707,9 +707,7 @@ static int nfs_is_exclusive_create(struct inode *dir, struct nameidata *nd)
{
if (NFS_PROTO(dir)->version == 2)
return 0;
if (nd == NULL || nfs_lookup_check_intent(nd, LOOKUP_CREATE) == 0)
return 0;
return (nd->intent.open.flags & O_EXCL) != 0;
return nd && nfs_lookup_check_intent(nd, LOOKUP_EXCL);
}
/*
@@ -1009,7 +1007,7 @@ static struct dentry *nfs_atomic_lookup(struct inode *dir, struct dentry *dentry
/* Let vfs_create() deal with O_EXCL. Instantiate, but don't hash
* the dentry. */
if (nd->intent.open.flags & O_EXCL) {
if (nd->flags & LOOKUP_EXCL) {
d_instantiate(dentry, NULL);
goto out;
}