diff options
Diffstat (limited to 'module/zfs/dbuf.c')
| -rw-r--r-- | module/zfs/dbuf.c | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/module/zfs/dbuf.c b/module/zfs/dbuf.c index 01352a91c..c8a526171 100644 --- a/module/zfs/dbuf.c +++ b/module/zfs/dbuf.c @@ -305,8 +305,10 @@ dbuf_init(void) retry: h->hash_table_mask = hsize - 1; #if defined(_KERNEL) && defined(HAVE_SPL) - /* Large allocations which do not require contiguous pages - * should be using vmem_alloc() in the linux kernel */ + /* + * Large allocations which do not require contiguous pages + * should be using vmem_alloc() in the linux kernel + */ h->hash_table = vmem_zalloc(hsize * sizeof (void *), KM_PUSHPAGE); #else h->hash_table = kmem_zalloc(hsize * sizeof (void *), KM_NOSLEEP); @@ -339,8 +341,10 @@ dbuf_fini(void) for (i = 0; i < DBUF_MUTEXES; i++) mutex_destroy(&h->hash_mutexes[i]); #if defined(_KERNEL) && defined(HAVE_SPL) - /* Large allocations which do not require contiguous pages - * should be using vmem_free() in the linux kernel */ + /* + * Large allocations which do not require contiguous pages + * should be using vmem_free() in the linux kernel + */ vmem_free(h->hash_table, (h->hash_table_mask + 1) * sizeof (void *)); #else kmem_free(h->hash_table, (h->hash_table_mask + 1) * sizeof (void *)); @@ -1700,8 +1704,7 @@ dbuf_findbp(dnode_t *dn, int level, uint64_t blkid, int fail_sparse, if (dh == NULL) { err = dbuf_hold_impl(dn, level+1, blkid >> epbs, fail_sparse, NULL, parentp); - } - else { + } else { __dbuf_hold_impl_init(dh + 1, dn, dh->dh_level + 1, blkid >> epbs, fail_sparse, NULL, parentp, dh->dh_depth + 1); @@ -1927,7 +1930,7 @@ dbuf_prefetch(dnode_t *dn, uint64_t blkid, zio_priority_t prio) } } -#define DBUF_HOLD_IMPL_MAX_DEPTH 20 +#define DBUF_HOLD_IMPL_MAX_DEPTH 20 /* * Returns with db_holds incremented, and db_mtx not held. @@ -1956,7 +1959,8 @@ top: dh->dh_fail_sparse, &dh->dh_parent, &dh->dh_bp, dh); if (dh->dh_fail_sparse) { - if (dh->dh_err == 0 && dh->dh_bp && BP_IS_HOLE(dh->dh_bp)) + if (dh->dh_err == 0 && + dh->dh_bp && BP_IS_HOLE(dh->dh_bp)) dh->dh_err = SET_ERROR(ENOENT); if (dh->dh_err) { if (dh->dh_parent) @@ -2037,13 +2041,13 @@ dbuf_hold_impl(dnode_t *dn, uint8_t level, uint64_t blkid, int fail_sparse, struct dbuf_hold_impl_data *dh; int error; - dh = kmem_zalloc(sizeof(struct dbuf_hold_impl_data) * + dh = kmem_zalloc(sizeof (struct dbuf_hold_impl_data) * DBUF_HOLD_IMPL_MAX_DEPTH, KM_PUSHPAGE); __dbuf_hold_impl_init(dh, dn, level, blkid, fail_sparse, tag, dbp, 0); error = __dbuf_hold_impl(dh); - kmem_free(dh, sizeof(struct dbuf_hold_impl_data) * + kmem_free(dh, sizeof (struct dbuf_hold_impl_data) * DBUF_HOLD_IMPL_MAX_DEPTH); return (error); @@ -2359,7 +2363,8 @@ dbuf_check_blkptr(dnode_t *dn, dmu_buf_impl_t *db) } } -/* dbuf_sync_indirect() is called recursively from dbuf_sync_list() so it +/* + * dbuf_sync_indirect() is called recursively from dbuf_sync_list() so it * is critical the we not allow the compiler to inline this function in to * dbuf_sync_list() thereby drastically bloating the stack usage. */ @@ -2409,7 +2414,8 @@ dbuf_sync_indirect(dbuf_dirty_record_t *dr, dmu_tx_t *tx) zio_nowait(zio); } -/* dbuf_sync_leaf() is called recursively from dbuf_sync_list() so it is +/* + * dbuf_sync_leaf() is called recursively from dbuf_sync_list() so it is * critical the we not allow the compiler to inline this function in to * dbuf_sync_list() thereby drastically bloating the stack usage. */ |