diff options
Diffstat (limited to 'fs/xfs/xfs_xattr.c')
| -rw-r--r-- | fs/xfs/xfs_xattr.c | 33 |
1 files changed, 30 insertions, 3 deletions
diff --git a/fs/xfs/xfs_xattr.c b/fs/xfs/xfs_xattr.c index b1850e1489ef..839b35ca21c6 100644 --- a/fs/xfs/xfs_xattr.c +++ b/fs/xfs/xfs_xattr.c @@ -54,12 +54,35 @@ xfs_xattr_get(const struct xattr_handler *handler, struct dentry *dentry, return asize; } +void +xfs_forget_acl( + struct inode *inode, + const char *name, + int xflags) +{ + /* + * Invalidate any cached ACLs if the user has bypassed the ACL + * interface. We don't validate the content whatsoever so it is caller + * responsibility to provide data in valid format and ensure i_mode is + * consistent. + */ + if (xflags & ATTR_ROOT) { +#ifdef CONFIG_XFS_POSIX_ACL + if (!strcmp(name, SGI_ACL_FILE)) + forget_cached_acl(inode, ACL_TYPE_ACCESS); + else if (!strcmp(name, SGI_ACL_DEFAULT)) + forget_cached_acl(inode, ACL_TYPE_DEFAULT); +#endif + } +} + static int xfs_xattr_set(const struct xattr_handler *handler, struct dentry *dentry, const char *name, const void *value, size_t size, int flags) { - int xflags = handler->flags; - struct xfs_inode *ip = XFS_I(d_inode(dentry)); + int xflags = handler->flags; + struct xfs_inode *ip = XFS_I(d_inode(dentry)); + int error; if (strcmp(name, "") == 0) return -EINVAL; @@ -72,8 +95,12 @@ xfs_xattr_set(const struct xattr_handler *handler, struct dentry *dentry, if (!value) return xfs_attr_remove(ip, (unsigned char *)name, xflags); - return xfs_attr_set(ip, (unsigned char *)name, + error = xfs_attr_set(ip, (unsigned char *)name, (void *)value, size, xflags); + if (!error) + xfs_forget_acl(d_inode(dentry), name, xflags); + + return error; } static const struct xattr_handler xfs_xattr_user_handler = { |