void *oi_capa;
};
-/* compare all relevant fields. */
-static inline int lov_stripe_md_cmp(struct lov_stripe_md *m1,
- struct lov_stripe_md *m2)
-{
- /*
- * ->lsm_wire contains padding, but it should be zeroed out during
- * allocation.
- */
- return memcmp(&m1->lsm_wire, &m2->lsm_wire, sizeof(m1->lsm_wire));
-}
-
-static inline int lov_lum_lsm_cmp(struct lov_user_md *lum,
- struct lov_stripe_md *lsm)
-{
- if (lsm->lsm_magic != lum->lmm_magic)
- return 1;
- if ((lsm->lsm_stripe_count != 0) && (lum->lmm_stripe_count != 0) &&
- (lsm->lsm_stripe_count != lum->lmm_stripe_count))
- return 2;
- if ((lsm->lsm_stripe_size != 0) && (lum->lmm_stripe_size != 0) &&
- (lsm->lsm_stripe_size != lum->lmm_stripe_size))
- return 3;
- if ((lsm->lsm_pattern != 0) && (lum->lmm_pattern != 0) &&
- (lsm->lsm_pattern != lum->lmm_pattern))
- return 4;
- if ((lsm->lsm_magic == LOV_MAGIC_V3) &&
- (strncmp(lsm->lsm_pool_name,
- ((struct lov_user_md_v3 *)lum)->lmm_pool_name,
- LOV_MAXPOOLNAME) != 0))
- return 5;
- return 0;
-}
-
-static inline int lov_lum_swab_if_needed(struct lov_user_md_v3 *lumv3,
- int *lmm_magic,
- struct lov_user_md *lum)
-{
- if (lum && copy_from_user(lumv3, lum, sizeof(struct lov_user_md_v1)))
- return -EFAULT;
-
- *lmm_magic = lumv3->lmm_magic;
-
- if (*lmm_magic == __swab32(LOV_USER_MAGIC_V1)) {
- lustre_swab_lov_user_md_v1((struct lov_user_md_v1 *)lumv3);
- *lmm_magic = LOV_USER_MAGIC_V1;
- } else if (*lmm_magic == LOV_USER_MAGIC_V3) {
- if (lum && copy_from_user(lumv3, lum, sizeof(*lumv3)))
- return -EFAULT;
- } else if (*lmm_magic == __swab32(LOV_USER_MAGIC_V3)) {
- if (lum && copy_from_user(lumv3, lum, sizeof(*lumv3)))
- return -EFAULT;
- lustre_swab_lov_user_md_v3(lumv3);
- *lmm_magic = LOV_USER_MAGIC_V3;
- } else if (*lmm_magic != LOV_USER_MAGIC_V1) {
- CDEBUG(D_IOCTL,
- "bad userland LOV MAGIC: %#08x != %#08x nor %#08x\n",
- *lmm_magic, LOV_USER_MAGIC_V1, LOV_USER_MAGIC_V3);
- return -EINVAL;
- }
- return 0;
-}
-
void lov_stripe_lock(struct lov_stripe_md *md);
void lov_stripe_unlock(struct lov_stripe_md *md);