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Diffstat (limited to 'fs/btrfs/extent_io.c')
-rw-r--r--fs/btrfs/extent_io.c57
1 files changed, 35 insertions, 22 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 7361d5d890d2..629fd5af4286 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -374,8 +374,7 @@ noinline_for_stack bool find_lock_delalloc_range(struct inode *inode,
struct extent_io_tree *tree = &BTRFS_I(inode)->io_tree;
const u64 orig_start = *start;
const u64 orig_end = *end;
- /* The sanity tests may not set a valid fs_info. */
- u64 max_bytes = fs_info ? fs_info->max_extent_size : BTRFS_MAX_EXTENT_SIZE;
+ u64 max_bytes = fs_info->max_extent_size;
u64 delalloc_start;
u64 delalloc_end;
bool found;
@@ -518,7 +517,7 @@ static void end_folio_read(struct folio *folio, bool uptodate, u64 start, u32 le
*/
static void end_bbio_data_write(struct btrfs_bio *bbio)
{
- struct btrfs_fs_info *fs_info = bbio->fs_info;
+ struct btrfs_fs_info *fs_info = bbio->inode->root->fs_info;
struct bio *bio = &bbio->bio;
int error = blk_status_to_errno(bio->bi_status);
struct folio_iter fi;
@@ -574,7 +573,7 @@ static void begin_folio_read(struct btrfs_fs_info *fs_info, struct folio *folio)
*/
static void end_bbio_data_read(struct btrfs_bio *bbio)
{
- struct btrfs_fs_info *fs_info = bbio->fs_info;
+ struct btrfs_fs_info *fs_info = bbio->inode->root->fs_info;
struct bio *bio = &bbio->bio;
struct folio_iter fi;
@@ -739,12 +738,10 @@ static void alloc_new_bio(struct btrfs_inode *inode,
struct btrfs_fs_info *fs_info = inode->root->fs_info;
struct btrfs_bio *bbio;
- bbio = btrfs_bio_alloc(BIO_MAX_VECS, bio_ctrl->opf, fs_info,
- bio_ctrl->end_io_func, NULL);
+ bbio = btrfs_bio_alloc(BIO_MAX_VECS, bio_ctrl->opf, inode,
+ file_offset, bio_ctrl->end_io_func, NULL);
bbio->bio.bi_iter.bi_sector = disk_bytenr >> SECTOR_SHIFT;
bbio->bio.bi_write_hint = inode->vfs_inode.i_write_hint;
- bbio->inode = inode;
- bbio->file_offset = file_offset;
bio_ctrl->bbio = bbio;
bio_ctrl->len_to_oe_boundary = U32_MAX;
bio_ctrl->next_file_offset = file_offset;
@@ -1691,14 +1688,17 @@ static noinline_for_stack int extent_writepage_io(struct btrfs_inode *inode,
unsigned long range_bitmap = 0;
bool submitted_io = false;
int found_error = 0;
+ const u64 end = start + len;
const u64 folio_start = folio_pos(folio);
+ const u64 folio_end = folio_start + folio_size(folio);
const unsigned int blocks_per_folio = btrfs_blocks_per_folio(fs_info, folio);
u64 cur;
int bit;
int ret = 0;
- ASSERT(start >= folio_start &&
- start + len <= folio_start + folio_size(folio));
+ ASSERT(start >= folio_start, "start=%llu folio_start=%llu", start, folio_start);
+ ASSERT(end <= folio_end, "start=%llu len=%u folio_start=%llu folio_size=%zu",
+ start, len, folio_start, folio_size(folio));
ret = btrfs_writepage_cow_fixup(folio);
if (ret == -EAGAIN) {
@@ -1714,7 +1714,7 @@ static noinline_for_stack int extent_writepage_io(struct btrfs_inode *inode,
return ret;
}
- for (cur = start; cur < start + len; cur += fs_info->sectorsize)
+ for (cur = start; cur < end; cur += fs_info->sectorsize)
set_bit((cur - folio_start) >> fs_info->sectorsize_bits, &range_bitmap);
bitmap_and(&bio_ctrl->submit_bitmap, &bio_ctrl->submit_bitmap, &range_bitmap,
blocks_per_folio);
@@ -1725,8 +1725,24 @@ static noinline_for_stack int extent_writepage_io(struct btrfs_inode *inode,
cur = folio_pos(folio) + (bit << fs_info->sectorsize_bits);
if (cur >= i_size) {
+ struct btrfs_ordered_extent *ordered;
+
+ ordered = btrfs_lookup_first_ordered_range(inode, cur,
+ folio_end - cur);
+ /*
+ * We have just run delalloc before getting here, so
+ * there must be an ordered extent.
+ */
+ ASSERT(ordered != NULL);
+ spin_lock(&inode->ordered_tree_lock);
+ set_bit(BTRFS_ORDERED_TRUNCATED, &ordered->flags);
+ ordered->truncated_len = min(ordered->truncated_len,
+ cur - ordered->file_offset);
+ spin_unlock(&inode->ordered_tree_lock);
+ btrfs_put_ordered_extent(ordered);
+
btrfs_mark_ordered_io_finished(inode, folio, cur,
- start + len - cur, true);
+ end - cur, true);
/*
* This range is beyond i_size, thus we don't need to
* bother writing back.
@@ -1735,8 +1751,7 @@ static noinline_for_stack int extent_writepage_io(struct btrfs_inode *inode,
* writeback the sectors with subpage dirty bits,
* causing writeback without ordered extent.
*/
- btrfs_folio_clear_dirty(fs_info, folio, cur,
- start + len - cur);
+ btrfs_folio_clear_dirty(fs_info, folio, cur, end - cur);
break;
}
ret = submit_one_sector(inode, folio, cur, bio_ctrl, i_size);
@@ -1856,7 +1871,7 @@ static int extent_writepage(struct folio *folio, struct btrfs_bio_ctrl *bio_ctrl
folio_size(folio), bio_ctrl, i_size);
if (ret == 1)
return 0;
- if (ret < 0)
+ if (unlikely(ret < 0))
btrfs_err_rl(fs_info,
"failed to submit blocks, root=%lld inode=%llu folio=%llu submit_bitmap=%*pbl: %d",
btrfs_root_id(inode->root), btrfs_ino(inode),
@@ -2206,12 +2221,11 @@ static noinline_for_stack void write_one_eb(struct extent_buffer *eb,
bbio = btrfs_bio_alloc(INLINE_EXTENT_BUFFER_PAGES,
REQ_OP_WRITE | REQ_META | wbc_to_write_flags(wbc),
- eb->fs_info, end_bbio_meta_write, eb);
+ BTRFS_I(fs_info->btree_inode), eb->start,
+ end_bbio_meta_write, eb);
bbio->bio.bi_iter.bi_sector = eb->start >> SECTOR_SHIFT;
bio_set_dev(&bbio->bio, fs_info->fs_devices->latest_dev->bdev);
wbc_init_bio(wbc, &bbio->bio);
- bbio->inode = BTRFS_I(eb->fs_info->btree_inode);
- bbio->file_offset = eb->start;
for (int i = 0; i < num_extent_folios(eb); i++) {
struct folio *folio = eb->folios[i];
u64 range_start = max_t(u64, eb->start, folio_pos(folio));
@@ -3823,6 +3837,7 @@ static void end_bbio_meta_read(struct btrfs_bio *bbio)
int read_extent_buffer_pages_nowait(struct extent_buffer *eb, int mirror_num,
const struct btrfs_tree_parent_check *check)
{
+ struct btrfs_fs_info *fs_info = eb->fs_info;
struct btrfs_bio *bbio;
if (test_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags))
@@ -3856,11 +3871,9 @@ int read_extent_buffer_pages_nowait(struct extent_buffer *eb, int mirror_num,
refcount_inc(&eb->refs);
bbio = btrfs_bio_alloc(INLINE_EXTENT_BUFFER_PAGES,
- REQ_OP_READ | REQ_META, eb->fs_info,
- end_bbio_meta_read, eb);
+ REQ_OP_READ | REQ_META, BTRFS_I(fs_info->btree_inode),
+ eb->start, end_bbio_meta_read, eb);
bbio->bio.bi_iter.bi_sector = eb->start >> SECTOR_SHIFT;
- bbio->inode = BTRFS_I(eb->fs_info->btree_inode);
- bbio->file_offset = eb->start;
memcpy(&bbio->parent_check, check, sizeof(*check));
for (int i = 0; i < num_extent_folios(eb); i++) {
struct folio *folio = eb->folios[i];
generated by cgit v1.2.3 (git 2.46.0) at 2025-12-04 13:55:52 +0000