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-rw-r--r--fs/btrfs/extent_io.c37
1 files changed, 24 insertions, 13 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index bc2bd103c8cc..5014134b9aa2 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -1420,6 +1420,7 @@ static noinline_for_stack int extent_writepage_io(struct btrfs_inode *inode,
struct btrfs_fs_info *fs_info = inode->root->fs_info;
unsigned long range_bitmap = 0;
bool submitted_io = false;
+ bool error = false;
const u64 folio_start = folio_pos(folio);
u64 cur;
int bit;
@@ -1462,11 +1463,26 @@ static noinline_for_stack int extent_writepage_io(struct btrfs_inode *inode,
break;
}
ret = submit_one_sector(inode, folio, cur, bio_ctrl, i_size);
- if (ret < 0)
- goto out;
+ if (unlikely(ret < 0)) {
+ /*
+ * bio_ctrl may contain a bio crossing several folios.
+ * Submit it immediately so that the bio has a chance
+ * to finish normally, other than marked as error.
+ */
+ submit_one_bio(bio_ctrl);
+ /*
+ * Failed to grab the extent map which should be very rare.
+ * Since there is no bio submitted to finish the ordered
+ * extent, we have to manually finish this sector.
+ */
+ btrfs_mark_ordered_io_finished(inode, folio, cur,
+ fs_info->sectorsize, false);
+ error = true;
+ continue;
+ }
submitted_io = true;
}
-out:
+
/*
* If we didn't submitted any sector (>= i_size), folio dirty get
* cleared but PAGECACHE_TAG_DIRTY is not cleared (only cleared
@@ -1474,8 +1490,11 @@ out:
*
* Here we set writeback and clear for the range. If the full folio
* is no longer dirty then we clear the PAGECACHE_TAG_DIRTY tag.
+ *
+ * If we hit any error, the corresponding sector will still be dirty
+ * thus no need to clear PAGECACHE_TAG_DIRTY.
*/
- if (!submitted_io) {
+ if (!submitted_io && !error) {
btrfs_folio_set_writeback(fs_info, folio, start, len);
btrfs_folio_clear_writeback(fs_info, folio, start, len);
}
@@ -1495,7 +1514,6 @@ static int extent_writepage(struct folio *folio, struct btrfs_bio_ctrl *bio_ctrl
{
struct btrfs_inode *inode = BTRFS_I(folio->mapping->host);
struct btrfs_fs_info *fs_info = inode->root->fs_info;
- const u64 page_start = folio_pos(folio);
int ret;
size_t pg_offset;
loff_t i_size = i_size_read(&inode->vfs_inode);
@@ -1538,10 +1556,6 @@ static int extent_writepage(struct folio *folio, struct btrfs_bio_ctrl *bio_ctrl
bio_ctrl->wbc->nr_to_write--;
- if (ret)
- btrfs_mark_ordered_io_finished(inode, folio,
- page_start, PAGE_SIZE, !ret);
-
done:
if (ret < 0)
mapping_set_error(folio->mapping, ret);
@@ -2314,11 +2328,8 @@ void extent_write_locked_range(struct inode *inode, const struct folio *locked_f
if (ret == 1)
goto next_page;
- if (ret) {
- btrfs_mark_ordered_io_finished(BTRFS_I(inode), folio,
- cur, cur_len, !ret);
+ if (ret)
mapping_set_error(mapping, ret);
- }
btrfs_folio_end_lock(fs_info, folio, cur, cur_len);
if (ret < 0)
found_error = true;