Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux...

[~andy/linux] / fs / btrfs / xattr.c

diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c
index 3d1c301c9260299fbecc13eaeade5b6521c3ef26..ad8328d797ea9910c21f0ecd5db6051d347a4571 100644 (file)
--- a/fs/btrfs/xattr.c
+++ b/fs/btrfs/xattr.c
@@ -28,6 +28,7 @@
 #include "transaction.h"
 #include "xattr.h"
 #include "disk-io.h"
+#include "props.h"
 
 
 ssize_t __btrfs_getxattr(struct inode *inode, const char *name,
@@ -332,7 +333,8 @@ static bool btrfs_is_valid_xattr(const char *name)
                        XATTR_SECURITY_PREFIX_LEN) ||
               !strncmp(name, XATTR_SYSTEM_PREFIX, XATTR_SYSTEM_PREFIX_LEN) ||
               !strncmp(name, XATTR_TRUSTED_PREFIX, XATTR_TRUSTED_PREFIX_LEN) ||
-              !strncmp(name, XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN);
+              !strncmp(name, XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN) ||
+               !strncmp(name, XATTR_BTRFS_PREFIX, XATTR_BTRFS_PREFIX_LEN);
 }
 
 ssize_t btrfs_getxattr(struct dentry *dentry, const char *name,
@@ -374,6 +376,10 @@ int btrfs_setxattr(struct dentry *dentry, const char *name, const void *value,
        if (!btrfs_is_valid_xattr(name))
                return -EOPNOTSUPP;
 
+       if (!strncmp(name, XATTR_BTRFS_PREFIX, XATTR_BTRFS_PREFIX_LEN))
+               return btrfs_set_prop(dentry->d_inode, name,
+                                     value, size, flags);
+
        if (size == 0)
                value = "";  /* empty EA, do not remove */
 
@@ -403,6 +409,10 @@ int btrfs_removexattr(struct dentry *dentry, const char *name)
        if (!btrfs_is_valid_xattr(name))
                return -EOPNOTSUPP;
 
+       if (!strncmp(name, XATTR_BTRFS_PREFIX, XATTR_BTRFS_PREFIX_LEN))
+               return btrfs_set_prop(dentry->d_inode, name,
+                                     NULL, 0, XATTR_REPLACE);
+
        return __btrfs_setxattr(NULL, dentry->d_inode, name, NULL, 0,
                                XATTR_REPLACE);
 }