summaryrefslogtreecommitdiff
path: root/fs/f2fs/xattr.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/f2fs/xattr.c')
-rw-r--r--fs/f2fs/xattr.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c
index 708271871f94..77a010e625f5 100644
--- a/fs/f2fs/xattr.c
+++ b/fs/f2fs/xattr.c
@@ -37,9 +37,6 @@ static int f2fs_xattr_generic_get(const struct xattr_handler *handler,
return -EOPNOTSUPP;
break;
case F2FS_XATTR_INDEX_TRUSTED:
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
- break;
case F2FS_XATTR_INDEX_SECURITY:
break;
default:
@@ -62,9 +59,6 @@ static int f2fs_xattr_generic_set(const struct xattr_handler *handler,
return -EOPNOTSUPP;
break;
case F2FS_XATTR_INDEX_TRUSTED:
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
- break;
case F2FS_XATTR_INDEX_SECURITY:
break;
default:
@@ -100,12 +94,22 @@ static int f2fs_xattr_advise_set(const struct xattr_handler *handler,
const char *name, const void *value,
size_t size, int flags)
{
+ unsigned char old_advise = F2FS_I(inode)->i_advise;
+ unsigned char new_advise;
+
if (!inode_owner_or_capable(inode))
return -EPERM;
if (value == NULL)
return -EINVAL;
- F2FS_I(inode)->i_advise |= *(char *)value;
+ new_advise = *(char *)value;
+ if (new_advise & ~FADVISE_MODIFIABLE_BITS)
+ return -EINVAL;
+
+ new_advise = new_advise & FADVISE_MODIFIABLE_BITS;
+ new_advise |= old_advise & ~FADVISE_MODIFIABLE_BITS;
+
+ F2FS_I(inode)->i_advise = new_advise;
f2fs_mark_inode_dirty_sync(inode, true);
return 0;
}