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| author | Al Viro <viro@zeniv.linux.org.uk> | 2008-08-05 03:00:49 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2008-10-23 05:12:56 -0400 |
| commit | 3516586a424ea5727be089da6541cbd5644f0497 (patch) | |
| tree | cb55c6262e066c393917735021aa2bd801f6dd16 /fs/namei.c | |
| parent | 2c552d81363e0dac66d478046cc8a3948a67eae9 (diff) | |
| download | lwn-3516586a424ea5727be089da6541cbd5644f0497.tar.gz lwn-3516586a424ea5727be089da6541cbd5644f0497.zip | |
[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.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/namei.c b/fs/namei.c index e584f04745b5..2b8f823eda44 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; /* |