diff options
Diffstat (limited to 'fs/btrfs/extent_io.c')
| -rw-r--r-- | fs/btrfs/extent_io.c | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index f23d75986947..c953297aa89a 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -1512,7 +1512,7 @@ out: /* * Return 0 if we have submitted or queued the sector for submission. - * Return <0 for critical errors. + * Return <0 for critical errors, and the sector will have its dirty flag cleared. * * Caller should make sure filepos < i_size and handle filepos >= i_size case. */ @@ -1535,8 +1535,17 @@ static int submit_one_sector(struct btrfs_inode *inode, ASSERT(filepos < i_size); em = btrfs_get_extent(inode, NULL, filepos, sectorsize); - if (IS_ERR(em)) + if (IS_ERR(em)) { + /* + * When submission failed, we should still clear the folio dirty. + * Or the folio will be written back again but without any + * ordered extent. + */ + btrfs_folio_clear_dirty(fs_info, folio, filepos, sectorsize); + btrfs_folio_set_writeback(fs_info, folio, filepos, sectorsize); + btrfs_folio_clear_writeback(fs_info, folio, filepos, sectorsize); return PTR_ERR(em); + } extent_offset = filepos - em->start; em_end = btrfs_extent_map_end(em); @@ -1609,8 +1618,12 @@ static noinline_for_stack int extent_writepage_io(struct btrfs_inode *inode, folio_unlock(folio); return 1; } - if (ret < 0) + if (ret < 0) { + btrfs_folio_clear_dirty(fs_info, folio, start, len); + btrfs_folio_set_writeback(fs_info, folio, start, len); + btrfs_folio_clear_writeback(fs_info, folio, start, len); return ret; + } for (cur = start; cur < start + len; cur += fs_info->sectorsize) set_bit((cur - folio_start) >> fs_info->sectorsize_bits, &range_bitmap); @@ -1666,8 +1679,8 @@ static noinline_for_stack int extent_writepage_io(struct btrfs_inode *inode, * 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 we hit any error, the corresponding sector will have its dirty + * flag cleared and writeback finished, thus no need to handle the error case. */ if (!submitted_io && !error) { btrfs_folio_set_writeback(fs_info, folio, start, len); @@ -1813,6 +1826,7 @@ static noinline_for_stack bool lock_extent_buffer_for_io(struct extent_buffer *e xas_load(&xas); xas_set_mark(&xas, PAGECACHE_TAG_WRITEBACK); xas_clear_mark(&xas, PAGECACHE_TAG_DIRTY); + xas_clear_mark(&xas, PAGECACHE_TAG_TOWRITE); xas_unlock_irqrestore(&xas, flags); btrfs_set_header_flag(eb, BTRFS_HEADER_FLAG_WRITTEN); |