return -EIO; /* we fixed nothing */
}
-static void end_workqueue_bio(struct bio *bio, int err)
+static void end_workqueue_bio(struct bio *bio)
{
struct btrfs_end_io_wq *end_io_wq = bio->bi_private;
struct btrfs_fs_info *fs_info;
btrfs_work_func_t func;
fs_info = end_io_wq->info;
- end_io_wq->error = err;
+ end_io_wq->error = bio->bi_error;
if (bio->bi_rw & REQ_WRITE) {
if (end_io_wq->metadata == BTRFS_WQ_ENDIO_METADATA) {
/* If an error occured we just want to clean up the bio and move on */
if (async->error) {
- bio_endio(async->bio, async->error);
+ async->bio->bi_error = async->error;
+ bio_endio(async->bio);
return;
}
* submission context. Just jump into btrfs_map_bio
*/
ret = btrfs_map_bio(BTRFS_I(inode)->root, rw, bio, mirror_num, 1);
- if (ret)
- bio_endio(bio, ret);
+ if (ret) {
+ bio->bi_error = ret;
+ bio_endio(bio);
+ }
return ret;
}
__btree_submit_bio_done);
}
- if (ret) {
+ if (ret)
+ goto out_w_error;
+ return 0;
+
out_w_error:
- bio_endio(bio, ret);
- }
+ bio->bi_error = ret;
+ bio_endio(bio);
return ret;
}
{
struct bio *bio;
struct btrfs_end_io_wq *end_io_wq;
- int error;
end_io_wq = container_of(work, struct btrfs_end_io_wq, work);
bio = end_io_wq->bio;
- error = end_io_wq->error;
+ bio->bi_error = end_io_wq->error;
bio->bi_private = end_io_wq->private;
bio->bi_end_io = end_io_wq->end_io;
kmem_cache_free(btrfs_end_io_wq_cache, end_io_wq);
- bio_endio(bio, error);
+ bio_endio(bio);
}
static int cleaner_kthread(void *arg)
!extent_buffer_uptodate(chunk_root->node)) {
printk(KERN_ERR "BTRFS: failed to read chunk root on %s\n",
sb->s_id);
+ if (!IS_ERR(chunk_root->node))
+ free_extent_buffer(chunk_root->node);
chunk_root->node = NULL;
goto fail_tree_roots;
}
!extent_buffer_uptodate(tree_root->node)) {
printk(KERN_WARNING "BTRFS: failed to read tree root on %s\n",
sb->s_id);
+ if (!IS_ERR(tree_root->node))
+ free_extent_buffer(tree_root->node);
tree_root->node = NULL;
goto recovery_tree_root;
}
* endio for the write_dev_flush, this will wake anyone waiting
* for the barrier when it is done
*/
-static void btrfs_end_empty_barrier(struct bio *bio, int err)
+static void btrfs_end_empty_barrier(struct bio *bio)
{
- if (err)
- clear_bit(BIO_UPTODATE, &bio->bi_flags);
if (bio->bi_private)
complete(bio->bi_private);
bio_put(bio);
wait_for_completion(&device->flush_wait);
- if (!bio_flagged(bio, BIO_UPTODATE)) {
- ret = -EIO;
+ if (bio->bi_error) {
+ ret = bio->bi_error;
btrfs_dev_stat_inc_and_print(device,
BTRFS_DEV_STAT_FLUSH_ERRS);
}
* Scheduling is not allowed, so the extent state tree is expected
* to have one and only one object corresponding to this IO.
*/
-static void end_bio_extent_writepage(struct bio *bio, int err)
+static void end_bio_extent_writepage(struct bio *bio)
{
struct bio_vec *bvec;
u64 start;
start = page_offset(page);
end = start + bvec->bv_offset + bvec->bv_len - 1;
- if (end_extent_writepage(page, err, start, end))
+ if (end_extent_writepage(page, bio->bi_error, start, end))
continue;
end_page_writeback(page);
* Scheduling is not allowed, so the extent state tree is expected
* to have one and only one object corresponding to this IO.
*/
-static void end_bio_extent_readpage(struct bio *bio, int err)
+static void end_bio_extent_readpage(struct bio *bio)
{
struct bio_vec *bvec;
- int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags);
+ int uptodate = !bio->bi_error;
struct btrfs_io_bio *io_bio = btrfs_io_bio(bio);
struct extent_io_tree *tree;
u64 offset = 0;
int ret;
int i;
- if (err)
- uptodate = 0;
-
bio_for_each_segment_all(bvec, bio, i) {
struct page *page = bvec->bv_page;
struct inode *inode = page->mapping->host;
pr_debug("end_bio_extent_readpage: bi_sector=%llu, err=%d, "
- "mirror=%u\n", (u64)bio->bi_iter.bi_sector, err,
- io_bio->mirror_num);
+ "mirror=%u\n", (u64)bio->bi_iter.bi_sector,
+ bio->bi_error, io_bio->mirror_num);
tree = &BTRFS_I(inode)->io_tree;
/* We always issue full-page reads, but if some block
if (tree->ops && tree->ops->readpage_io_failed_hook) {
ret = tree->ops->readpage_io_failed_hook(page, mirror);
- if (!ret && !err &&
- test_bit(BIO_UPTODATE, &bio->bi_flags))
+ if (!ret && !bio->bi_error)
uptodate = 1;
} else {
/*
ret = bio_readpage_error(bio, offset, page, start, end,
mirror);
if (ret == 0) {
- uptodate =
- test_bit(BIO_UPTODATE, &bio->bi_flags);
- if (err)
- uptodate = 0;
+ uptodate = !bio->bi_error;
offset += len;
continue;
}
endio_readpage_release_extent(tree, extent_start, extent_len,
uptodate);
if (io_bio->end_io)
- io_bio->end_io(io_bio, err);
+ io_bio->end_io(io_bio, bio->bi_error);
bio_put(bio);
}
{
int ret = 0;
struct bio *bio;
- int nr;
int contig = 0;
- int this_compressed = bio_flags & EXTENT_BIO_COMPRESSED;
int old_compressed = prev_bio_flags & EXTENT_BIO_COMPRESSED;
size_t page_size = min_t(size_t, size, PAGE_CACHE_SIZE);
return 0;
}
}
- if (this_compressed)
- nr = BIO_MAX_PAGES;
- else
- nr = bio_get_nr_vecs(bdev);
- bio = btrfs_bio_alloc(bdev, sector, nr, GFP_NOFS | __GFP_HIGH);
+ bio = btrfs_bio_alloc(bdev, sector, BIO_MAX_PAGES,
+ GFP_NOFS | __GFP_HIGH);
if (!bio)
return -ENOMEM;
get_extent_t *get_extent,
struct extent_map **em_cached,
struct bio **bio, int mirror_num,
- unsigned long *bio_flags, int rw)
+ unsigned long *bio_flags, int rw,
+ u64 *prev_em_start)
{
struct inode *inode;
struct btrfs_ordered_extent *ordered;
int index;
- u64 prev_em_start = (u64)-1;
inode = pages[0]->mapping->host;
while (1) {
for (index = 0; index < nr_pages; index++) {
__do_readpage(tree, pages[index], get_extent, em_cached, bio,
- mirror_num, bio_flags, rw, &prev_em_start);
+ mirror_num, bio_flags, rw, prev_em_start);
page_cache_release(pages[index]);
}
}
int nr_pages, get_extent_t *get_extent,
struct extent_map **em_cached,
struct bio **bio, int mirror_num,
- unsigned long *bio_flags, int rw)
+ unsigned long *bio_flags, int rw,
+ u64 *prev_em_start)
{
u64 start = 0;
u64 end = 0;
index - first_index, start,
end, get_extent, em_cached,
bio, mirror_num, bio_flags,
- rw);
+ rw, prev_em_start);
start = page_start;
end = start + PAGE_CACHE_SIZE - 1;
first_index = index;
__do_contiguous_readpages(tree, &pages[first_index],
index - first_index, start,
end, get_extent, em_cached, bio,
- mirror_num, bio_flags, rw);
+ mirror_num, bio_flags, rw,
+ prev_em_start);
}
static int __extent_read_full_page(struct extent_io_tree *tree,
}
}
-static void end_bio_extent_buffer_writepage(struct bio *bio, int err)
+static void end_bio_extent_buffer_writepage(struct bio *bio)
{
struct bio_vec *bvec;
struct extent_buffer *eb;
BUG_ON(!eb);
done = atomic_dec_and_test(&eb->io_pages);
- if (err || test_bit(EXTENT_BUFFER_WRITE_ERR, &eb->bflags)) {
+ if (bio->bi_error ||
+ test_bit(EXTENT_BUFFER_WRITE_ERR, &eb->bflags)) {
ClearPageUptodate(page);
set_btree_ioerr(page);
}
struct page *page;
struct extent_map *em_cached = NULL;
int nr = 0;
+ u64 prev_em_start = (u64)-1;
for (page_idx = 0; page_idx < nr_pages; page_idx++) {
page = list_entry(pages->prev, struct page, lru);
if (nr < ARRAY_SIZE(pagepool))
continue;
__extent_readpages(tree, pagepool, nr, get_extent, &em_cached,
- &bio, 0, &bio_flags, READ);
+ &bio, 0, &bio_flags, READ, &prev_em_start);
nr = 0;
}
if (nr)
__extent_readpages(tree, pagepool, nr, get_extent, &em_cached,
- &bio, 0, &bio_flags, READ);
+ &bio, 0, &bio_flags, READ, &prev_em_start);
if (em_cached)
free_extent_map(em_cached);
projects / linux-drm-fsl-dcu.git / commitdiff