diff options
Diffstat (limited to 'fs/namei.c')
-rw-r--r-- | fs/namei.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/fs/namei.c b/fs/namei.c index c53d3a9547f9..3531deebad30 100644 --- a/fs/namei.c +++ b/fs/namei.c | |||
@@ -1598,11 +1598,6 @@ static inline int nested_symlink(struct path *path, struct nameidata *nd) | |||
1598 | * do a "get_unaligned()" if this helps and is sufficiently | 1598 | * do a "get_unaligned()" if this helps and is sufficiently |
1599 | * fast. | 1599 | * fast. |
1600 | * | 1600 | * |
1601 | * - Little-endian machines (so that we can generate the mask | ||
1602 | * of low bytes efficiently). Again, we *could* do a byte | ||
1603 | * swapping load on big-endian architectures if that is not | ||
1604 | * expensive enough to make the optimization worthless. | ||
1605 | * | ||
1606 | * - non-CONFIG_DEBUG_PAGEALLOC configurations (so that we | 1601 | * - non-CONFIG_DEBUG_PAGEALLOC configurations (so that we |
1607 | * do not trap on the (extremely unlikely) case of a page | 1602 | * do not trap on the (extremely unlikely) case of a page |
1608 | * crossing operation. | 1603 | * crossing operation. |
@@ -1646,7 +1641,7 @@ unsigned int full_name_hash(const unsigned char *name, unsigned int len) | |||
1646 | if (!len) | 1641 | if (!len) |
1647 | goto done; | 1642 | goto done; |
1648 | } | 1643 | } |
1649 | mask = ~(~0ul << len*8); | 1644 | mask = bytemask_from_count(len); |
1650 | hash += mask & a; | 1645 | hash += mask & a; |
1651 | done: | 1646 | done: |
1652 | return fold_hash(hash); | 1647 | return fold_hash(hash); |