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authorAl Viro <viro@zeniv.linux.org.uk>2008-08-05 03:00:49 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2008-10-23 05:12:56 -0400
commit3516586a424ea5727be089da6541cbd5644f0497 (patch)
treecb55c6262e066c393917735021aa2bd801f6dd16 /fs/namei.c
parent2c552d81363e0dac66d478046cc8a3948a67eae9 (diff)
[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>
Diffstat (limited to 'fs/namei.c')
-rw-r--r--fs/namei.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/namei.c b/fs/namei.c
index e584f04745b..2b8f823eda4 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1709,6 +1709,8 @@ struct file *do_filp_open(int dfd, const char *pathname,
dir = nd.path.dentry;
nd.flags &= ~LOOKUP_PARENT;
nd.flags |= LOOKUP_CREATE | LOOKUP_OPEN;
+ if (flag & O_EXCL)
+ nd.flags |= LOOKUP_EXCL;
mutex_lock(&dir->d_inode->i_mutex);
path.dentry = lookup_hash(&nd);
path.mnt = nd.path.mnt;
@@ -1906,7 +1908,7 @@ struct dentry *lookup_create(struct nameidata *nd, int is_dir)
if (nd->last_type != LAST_NORM)
goto fail;
nd->flags &= ~LOOKUP_PARENT;
- nd->flags |= LOOKUP_CREATE;
+ nd->flags |= LOOKUP_CREATE | LOOKUP_EXCL;
nd->intent.open.flags = O_EXCL;
/*