diff options
Diffstat (limited to 'fs/xattr.c')
| -rw-r--r-- | fs/xattr.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/fs/xattr.c b/fs/xattr.c index 0d3c9b4d1914..e13265e65871 100644 --- a/fs/xattr.c +++ b/fs/xattr.c @@ -860,6 +860,7 @@ int simple_xattr_get(struct simple_xattrs *xattrs, const char *name, * @value: value of the xattr. If %NULL, will remove the attribute. * @size: size of the new xattr * @flags: %XATTR_{CREATE|REPLACE} + * @removed_size: returns size of the removed xattr, -1 if none removed * * %XATTR_CREATE is set, the xattr shouldn't exist already; otherwise fails * with -EEXIST. If %XATTR_REPLACE is set, the xattr should exist; @@ -868,7 +869,8 @@ int simple_xattr_get(struct simple_xattrs *xattrs, const char *name, * Returns 0 on success, -errno on failure. */ int simple_xattr_set(struct simple_xattrs *xattrs, const char *name, - const void *value, size_t size, int flags) + const void *value, size_t size, int flags, + ssize_t *removed_size) { struct simple_xattr *xattr; struct simple_xattr *new_xattr = NULL; @@ -895,8 +897,12 @@ int simple_xattr_set(struct simple_xattrs *xattrs, const char *name, err = -EEXIST; } else if (new_xattr) { list_replace(&xattr->list, &new_xattr->list); + if (removed_size) + *removed_size = xattr->size; } else { list_del(&xattr->list); + if (removed_size) + *removed_size = xattr->size; } goto out; } @@ -908,6 +914,9 @@ int simple_xattr_set(struct simple_xattrs *xattrs, const char *name, list_add(&new_xattr->list, &xattrs->head); xattr = NULL; } + + if (removed_size) + *removed_size = -1; out: spin_unlock(&xattrs->lock); if (xattr) { |