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Diffstat (limited to 'fs/btrfs/xattr.c')
-rw-r--r--fs/btrfs/xattr.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c
index 3d1c301c9260..ad8328d797ea 100644
--- 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);
}