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| author | Al Viro <viro@zeniv.linux.org.uk> | 2015-02-20 04:58:52 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2015-02-20 04:58:52 -0500 |
| commit | ce7b9facdf43b42fb95bdff9069aefeddb7d0a69 (patch) | |
| tree | db49cfb72630e88172b51e586acfa9ddb22b5dc1 /fs/overlayfs/inode.c | |
| parent | a95104fd3393080e8bcca348f51996f5f0f5ccb6 (diff) | |
| parent | 4330397e4e8a662f36d101659e2a59ce32e76ff4 (diff) | |
Merge branch 'overlayfs-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs into for-next
Diffstat (limited to 'fs/overlayfs/inode.c')
| -rw-r--r-- | fs/overlayfs/inode.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c index 07d74b24913bd..04f1248846877 100644 --- a/fs/overlayfs/inode.c +++ b/fs/overlayfs/inode.c @@ -205,7 +205,7 @@ static int ovl_readlink(struct dentry *dentry, char __user *buf, int bufsiz) static bool ovl_is_private_xattr(const char *name) { - return strncmp(name, "trusted.overlay.", 14) == 0; + return strncmp(name, OVL_XATTR_PRE_NAME, OVL_XATTR_PRE_LEN) == 0; } int ovl_setxattr(struct dentry *dentry, const char *name, @@ -238,7 +238,10 @@ out: static bool ovl_need_xattr_filter(struct dentry *dentry, enum ovl_path_type type) { - return type == OVL_PATH_UPPER && S_ISDIR(dentry->d_inode->i_mode); + if ((type & (__OVL_PATH_PURE | __OVL_PATH_UPPER)) == __OVL_PATH_UPPER) + return S_ISDIR(dentry->d_inode->i_mode); + else + return false; } ssize_t ovl_getxattr(struct dentry *dentry, const char *name, @@ -299,7 +302,7 @@ int ovl_removexattr(struct dentry *dentry, const char *name) if (ovl_need_xattr_filter(dentry, type) && ovl_is_private_xattr(name)) goto out_drop_write; - if (type == OVL_PATH_LOWER) { + if (!OVL_TYPE_UPPER(type)) { err = vfs_getxattr(realpath.dentry, name, NULL, 0); if (err < 0) goto out_drop_write; @@ -321,7 +324,7 @@ out: static bool ovl_open_need_copy_up(int flags, enum ovl_path_type type, struct dentry *realdentry) { - if (type != OVL_PATH_LOWER) + if (OVL_TYPE_UPPER(type)) return false; if (special_file(realdentry->d_inode->i_mode)) @@ -430,5 +433,4 @@ struct inode *ovl_new_inode(struct super_block *sb, umode_t mode, } return inode; - } |