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Mountable btrfs, with readdir

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason 2007-03-22 12:13:20 -04:00 • committed by David Woodhouse
parent 2e635a2783
commit e20d96d64f
14 changed files with 659 additions and 498 deletions
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9
fs/btrfs/hash.c
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@ -10,6 +10,7 @@
* License.
*/
#include <linux/types.h>
#define DELTA 0x9E3779B9
static void TEA_transform(__u32 buf[2], __u32 const in[])
@ -63,6 +64,14 @@ int btrfs_name_hash(const char *name, int len, u64 *hash_result)
const char *p;
__u32 in[8], buf[2];
if (len == 1 && *name == '.') {
*hash_result = 1;
return 0;
} else if (len == 2 && name[0] == '.' && name[1] == '.') {
*hash_result = 2;
return 0;
}
/* Initialize the default seed for the hash checksum functions */
buf[0] = 0x67452301;
buf[1] = 0xefcdab89;