diff options
Diffstat (limited to 'fs/xfs/support/uuid.c')
| -rw-r--r-- | fs/xfs/support/uuid.c | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/fs/xfs/support/uuid.c b/fs/xfs/support/uuid.c index 70ce40914c8a8..a3d565a67734e 100644 --- a/fs/xfs/support/uuid.c +++ b/fs/xfs/support/uuid.c @@ -24,9 +24,19 @@ static uuid_t *uuid_table; void uuid_init(void) { - mutex_init(&uuid_monitor, MUTEX_DEFAULT, "uuid_monitor"); + mutex_init(&uuid_monitor); } + +/* IRIX interpretation of an uuid_t */ +typedef struct { + __be32 uu_timelow; + __be16 uu_timemid; + __be16 uu_timehi; + __be16 uu_clockseq; + __be16 uu_node[3]; +} xfs_uu_t; + /* * uuid_getnodeuniq - obtain the node unique fields of a UUID. * @@ -36,16 +46,11 @@ uuid_init(void) void uuid_getnodeuniq(uuid_t *uuid, int fsid [2]) { - char *uu = (char *)uuid; - - /* on IRIX, this function assumes big-endian fields within - * the uuid, so we use INT_GET to get the same result on - * little-endian systems - */ + xfs_uu_t *uup = (xfs_uu_t *)uuid; - fsid[0] = (INT_GET(*(u_int16_t*)(uu+8), ARCH_CONVERT) << 16) + - INT_GET(*(u_int16_t*)(uu+4), ARCH_CONVERT); - fsid[1] = INT_GET(*(u_int32_t*)(uu ), ARCH_CONVERT); + fsid[0] = (be16_to_cpu(uup->uu_clockseq) << 16) | + be16_to_cpu(uup->uu_timemid); + fsid[1] = be16_to_cpu(uup->uu_timelow); } void @@ -94,7 +99,7 @@ uuid_table_insert(uuid_t *uuid) { int i, hole; - mutex_lock(&uuid_monitor, PVFS); + mutex_lock(&uuid_monitor); for (i = 0, hole = -1; i < uuid_table_size; i++) { if (uuid_is_nil(&uuid_table[i])) { hole = i; @@ -122,7 +127,7 @@ uuid_table_remove(uuid_t *uuid) { int i; - mutex_lock(&uuid_monitor, PVFS); + mutex_lock(&uuid_monitor); for (i = 0; i < uuid_table_size; i++) { if (uuid_is_nil(&uuid_table[i])) continue; |