#include "subvolume.h"
#include "super.h"
#include "super-io.h"
+#include "trace.h"
#include <linux/blkdev.h>
#include <linux/prefetch.h>
#include <linux/random.h>
#include <linux/sched/mm.h>
-#include <trace/events/bcachefs.h>
-
const char *bch2_blk_status_to_str(blk_status_t status)
{
if (status == BLK_STS_REMOVED)
struct page *page;
if (likely(!*using_mempool)) {
- page = alloc_page(GFP_NOIO);
+ page = alloc_page(GFP_NOFS);
if (unlikely(!page)) {
mutex_lock(&c->bio_bounce_pages_lock);
*using_mempool = true;
}
} else {
pool_alloc:
- page = mempool_alloc(&c->bio_bounce_pages, GFP_NOIO);
+ page = mempool_alloc(&c->bio_bounce_pages, GFP_NOFS);
}
return page;
unsigned inode_update_flags = BTREE_UPDATE_NOJOURNAL;
int ret;
- bch2_trans_iter_init(trans, &iter, BTREE_ID_inodes,
- SPOS(0,
- extent_iter->pos.inode,
- extent_iter->snapshot),
- BTREE_ITER_INTENT|BTREE_ITER_CACHED);
- k = bch2_bkey_get_mut(trans, &iter);
+ k = bch2_bkey_get_mut_noupdate(trans, &iter, BTREE_ID_inodes,
+ SPOS(0,
+ extent_iter->pos.inode,
+ extent_iter->snapshot),
+ BTREE_ITER_CACHED);
ret = PTR_ERR_OR_ZERO(k);
if (unlikely(ret))
- goto err;
+ return ret;
if (unlikely(k->k.type != KEY_TYPE_inode_v3)) {
k = bch2_inode_to_v3(trans, k);
struct open_buckets open_buckets;
struct bkey_s_c k;
struct bkey_buf old, new;
+ unsigned sectors_allocated;
bool have_reservation = false;
bool unwritten = opts.nocow &&
c->sb.version >= bcachefs_metadata_version_unwritten_extents;
closure_init_stack(&cl);
open_buckets.nr = 0;
retry:
+ sectors_allocated = 0;
+
k = bch2_btree_iter_peek_slot(iter);
ret = bkey_err(k);
if (ret)
&devs_have,
opts.data_replicas,
opts.data_replicas,
- RESERVE_none, 0, &cl, &wp);
- if (bch2_err_matches(ret, BCH_ERR_operation_blocked)) {
+ BCH_WATERMARK_normal, 0, &cl, &wp);
+ if (ret) {
bch2_trans_unlock(trans);
closure_sync(&cl);
- goto retry;
- }
- if (ret)
+ if (bch2_err_matches(ret, BCH_ERR_operation_blocked))
+ goto retry;
return ret;
+ }
sectors = min(sectors, wp->sectors_free);
+ sectors_allocated = sectors;
bch2_key_resize(&e->k, sectors);
goto retry;
}
+ if (!ret && sectors_allocated)
+ bch2_increment_clock(c, sectors_allocated, WRITE);
+
bch2_open_buckets_put(c, &open_buckets);
bch2_disk_reservation_put(c, &disk_res);
bch2_bkey_buf_exit(&new, c);
if (to_entry(ptr + 1) < ptrs.end) {
n = to_wbio(bio_alloc_clone(NULL, &wbio->bio,
- GFP_NOIO, &ca->replica_set));
+ GFP_NOFS, &ca->replica_set));
n->bio.bi_end_io = wbio->bio.bi_end_io;
n->bio.bi_private = wbio->bio.bi_private;
pages = min(pages, BIO_MAX_VECS);
bio = bio_alloc_bioset(NULL, pages, 0,
- GFP_NOIO, &c->bio_write);
+ GFP_NOFS, &c->bio_write);
wbio = wbio_init(bio);
wbio->put_bio = true;
/* copy WRITE_SYNC flag */
/* Can we just write the entire extent as is? */
if (op->crc.uncompressed_size == op->crc.live_size &&
op->crc.compressed_size <= wp->sectors_free &&
- (op->crc.compression_type == op->compression_type ||
+ (op->crc.compression_type == bch2_compression_opt_to_type(op->compression_opt) ||
op->incompressible)) {
if (!crc_is_compressed(op->crc) &&
op->csum_type != op->crc.csum_type &&
- bch2_write_rechecksum(c, op, op->csum_type))
+ bch2_write_rechecksum(c, op, op->csum_type) &&
+ !c->opts.no_data_io)
return PREP_ENCODED_CHECKSUM_ERR;
return PREP_ENCODED_DO_WRITE;
csum = bch2_checksum_bio(c, op->crc.csum_type,
extent_nonce(op->version, op->crc),
bio);
- if (bch2_crc_cmp(op->crc.csum, csum))
+ if (bch2_crc_cmp(op->crc.csum, csum) && !c->opts.no_data_io)
return PREP_ENCODED_CHECKSUM_ERR;
if (bch2_bio_uncompress_inplace(c, bio, &op->crc))
*/
if ((op->crc.live_size != op->crc.uncompressed_size ||
op->crc.csum_type != op->csum_type) &&
- bch2_write_rechecksum(c, op, op->csum_type))
+ bch2_write_rechecksum(c, op, op->csum_type) &&
+ !c->opts.no_data_io)
return PREP_ENCODED_CHECKSUM_ERR;
/*
* If we want to compress the data, it has to be decrypted:
*/
- if ((op->compression_type ||
+ if ((op->compression_opt ||
bch2_csum_type_is_encryption(op->crc.csum_type) !=
bch2_csum_type_is_encryption(op->csum_type)) &&
bch2_write_decrypt(op))
}
if (ec_buf ||
- op->compression_type ||
+ op->compression_opt ||
(op->csum_type &&
!(op->flags & BCH_WRITE_PAGES_STABLE)) ||
(bch2_csum_type_is_encryption(op->csum_type) &&
dst->bi_iter.bi_size < c->opts.encoded_extent_max)
break;
- BUG_ON(op->compression_type &&
+ BUG_ON(op->compression_opt &&
(op->flags & BCH_WRITE_DATA_ENCODED) &&
bch2_csum_type_is_encryption(op->crc.csum_type));
- BUG_ON(op->compression_type && !bounce);
+ BUG_ON(op->compression_opt && !bounce);
crc.compression_type = op->incompressible
? BCH_COMPRESSION_TYPE_incompressible
- : op->compression_type
+ : op->compression_opt
? bch2_bio_compress(c, dst, &dst_len, src, &src_len,
- op->compression_type)
+ op->compression_opt)
: 0;
if (!crc_is_compressed(crc)) {
dst_len = min(dst->bi_iter.bi_size, src->bi_iter.bi_size);
BUG_ON(total_output != total_input);
dst = bio_split(src, total_input >> 9,
- GFP_NOIO, &c->bio_write);
+ GFP_NOFS, &c->bio_write);
wbio_init(dst)->put_bio = true;
/* copy WRITE_SYNC flag */
dst->bi_opf = src->bi_opf;
return 0;
}
- new = bch2_bkey_make_mut(trans, k);
+ new = bch2_bkey_make_mut_noupdate(trans, k);
ret = PTR_ERR_OR_ZERO(new);
if (ret)
return ret;
struct btree_iter iter;
struct bkey_s_c k;
struct bkey_ptrs_c ptrs;
- const struct bch_extent_ptr *ptr, *ptr2;
+ const struct bch_extent_ptr *ptr;
struct {
struct bpos b;
unsigned gen;
bucket_to_u64(buckets[nr_buckets].b));
prefetch(buckets[nr_buckets].l);
- nr_buckets++;
if (unlikely(!bch2_dev_get_ioref(bch_dev_bkey_exists(c, ptr->dev), WRITE)))
goto err_get_ioref;
+ nr_buckets++;
+
if (ptr->unwritten)
op->flags |= BCH_WRITE_CONVERT_UNWRITTEN;
}
}
return;
err_get_ioref:
- bkey_for_each_ptr(ptrs, ptr2) {
- if (ptr2 == ptr)
- break;
-
- percpu_ref_put(&bch_dev_bkey_exists(c, ptr2->dev)->io_ref);
- }
+ for (i = 0; i < nr_buckets; i++)
+ percpu_ref_put(&bch_dev_bkey_exists(c, buckets[i].b.inode)->io_ref);
/* Fall back to COW path: */
goto out;
bch2_bucket_nocow_unlock(&c->nocow_locks,
buckets[i].b,
BUCKET_NOCOW_LOCK_UPDATE);
-
- bkey_for_each_ptr(ptrs, ptr2)
- percpu_ref_put(&bch_dev_bkey_exists(c, ptr2->dev)->io_ref);
+ for (i = 0; i < nr_buckets; i++)
+ percpu_ref_put(&bch_dev_bkey_exists(c, buckets[i].b.inode)->io_ref);
/* We can retry this: */
- ret = BCH_ERR_transaction_restart;
+ ret = -BCH_ERR_transaction_restart;
goto out;
}
&op->devs_have,
op->nr_replicas,
op->nr_replicas_required,
- op->alloc_reserve,
+ op->watermark,
op->flags,
(op->flags & (BCH_WRITE_ALLOC_NOWAIT|
BCH_WRITE_ONLY_SPECIFIED_DEVS))
op->end_io(op);
}
-const char * const bch2_write_flags[] = {
+static const char * const bch2_write_flags[] = {
#define x(f) #f,
BCH_WRITE_FLAGS()
#undef x
prt_str(out, "pos: ");
bch2_bpos_to_text(out, op->pos);
prt_newline(out);
+ printbuf_indent_add(out, 2);
prt_str(out, "started: ");
bch2_pr_time_units(out, local_clock() - op->start_time);
prt_str(out, "flags: ");
prt_bitflags(out, bch2_write_flags, op->flags);
prt_newline(out);
+
+ prt_printf(out, "ref: %u", closure_nr_remaining(&op->cl));
+ prt_newline(out);
+
+ printbuf_indent_sub(out, 2);
}
/* Cache promotion on read */
if (!bch2_write_ref_tryget(c, BCH_WRITE_REF_promote))
return NULL;
- op = kzalloc(sizeof(*op) + sizeof(struct bio_vec) * pages, GFP_NOIO);
+ op = kzalloc(sizeof(*op) + sizeof(struct bio_vec) * pages, GFP_NOFS);
if (!op)
goto err;
*/
*rbio = kzalloc(sizeof(struct bch_read_bio) +
sizeof(struct bio_vec) * pages,
- GFP_NOIO);
+ GFP_NOFS);
if (!*rbio)
goto err;
bio_init(&(*rbio)->bio, NULL, (*rbio)->bio.bi_inline_vecs, pages, 0);
if (bch2_bio_alloc_pages(&(*rbio)->bio, sectors << 9,
- GFP_NOIO))
+ GFP_NOFS))
goto err;
(*rbio)->bounce = true;
.write_flags = BCH_WRITE_ALLOC_NOWAIT|BCH_WRITE_CACHED,
},
btree_id, k);
- if (ret == -BCH_ERR_nocow_lock_blocked) {
+ /*
+ * possible errors: -BCH_ERR_nocow_lock_blocked,
+ * -BCH_ERR_ENOSPC_disk_reservation:
+ */
+ if (ret) {
ret = rhashtable_remove_fast(&c->promote_table, &op->hash,
bch_promote_params);
BUG_ON(ret);
goto err;
}
- BUG_ON(ret);
op->write.op.end_io = promote_done;
return op;
if (crc_is_compressed(rbio->pick.crc))
return 0;
- bch2_trans_iter_init(trans, &iter, rbio->data_btree, rbio->data_pos,
- BTREE_ITER_SLOTS|BTREE_ITER_INTENT);
- k = bch2_btree_iter_peek_slot(&iter);
+ k = bch2_bkey_get_iter(trans, &iter, rbio->data_btree, rbio->data_pos,
+ BTREE_ITER_SLOTS|BTREE_ITER_INTENT);
if ((ret = bkey_err(k)))
goto out;
if (ret)
goto decrypt_err;
- if (bch2_bio_uncompress(c, src, dst, dst_iter, crc))
+ if (bch2_bio_uncompress(c, src, dst, dst_iter, crc) &&
+ !c->opts.no_data_io)
goto decompression_err;
} else {
/* don't need to decrypt the entire bio: */
reflink_offset = le64_to_cpu(bkey_i_to_reflink_p(orig_k->k)->v.idx) +
*offset_into_extent;
- bch2_trans_iter_init(trans, &iter, BTREE_ID_reflink,
- POS(0, reflink_offset),
- BTREE_ITER_SLOTS);
- k = bch2_btree_iter_peek_slot(&iter);
+ k = bch2_bkey_get_iter(trans, &iter, BTREE_ID_reflink,
+ POS(0, reflink_offset), 0);
ret = bkey_err(k);
if (ret)
goto err;
rbio = rbio_init(bio_alloc_bioset(NULL,
DIV_ROUND_UP(sectors, PAGE_SECTORS),
0,
- GFP_NOIO,
+ GFP_NOFS,
&c->bio_read_split),
orig->opts);
* from the whole bio, in which case we don't want to retry and
* lose the error)
*/
- rbio = rbio_init(bio_alloc_clone(NULL, &orig->bio, GFP_NOIO,
+ rbio = rbio_init(bio_alloc_clone(NULL, &orig->bio, GFP_NOFS,
&c->bio_read_split),
orig->opts);
rbio->bio.bi_iter = iter;
projects / bcachefs-tools-debian / blobdiff