diff options
Diffstat (limited to 'fs/ext4/move_extent.c')
| -rw-r--r-- | fs/ext4/move_extent.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c index 898443e98efc..1f8493a56e8f 100644 --- a/fs/ext4/move_extent.c +++ b/fs/ext4/move_extent.c @@ -269,7 +269,7 @@ move_extent_per_page(struct file *o_filp, struct inode *donor_inode, unsigned int tmp_data_size, data_size, replaced_size; int i, err2, jblocks, retries = 0; int replaced_count = 0; - int from = data_offset_in_page << orig_inode->i_blkbits; + int from; int blocks_per_page = PAGE_SIZE >> orig_inode->i_blkbits; struct super_block *sb = orig_inode->i_sb; struct buffer_head *bh = NULL; @@ -323,11 +323,6 @@ again: * hold page's lock, if it is still the case data copy is not * necessary, just swap data blocks between orig and donor. */ - - VM_BUG_ON_FOLIO(folio_test_large(folio[0]), folio[0]); - VM_BUG_ON_FOLIO(folio_test_large(folio[1]), folio[1]); - VM_BUG_ON_FOLIO(folio_nr_pages(folio[0]) != folio_nr_pages(folio[1]), folio[1]); - if (unwritten) { ext4_double_down_write_data_sem(orig_inode, donor_inode); /* If any of extents in range became initialized we have to @@ -360,6 +355,8 @@ again: goto unlock_folios; } data_copy: + from = offset_in_folio(folio[0], + orig_blk_offset << orig_inode->i_blkbits); *err = mext_page_mkuptodate(folio[0], from, from + replaced_size); if (*err) goto unlock_folios; @@ -390,7 +387,7 @@ data_copy: if (!bh) bh = create_empty_buffers(folio[0], 1 << orig_inode->i_blkbits, 0); - for (i = 0; i < data_offset_in_page; i++) + for (i = 0; i < from >> orig_inode->i_blkbits; i++) bh = bh->b_this_page; for (i = 0; i < block_len_in_page; i++) { *err = ext4_get_block(orig_inode, orig_blk_offset + i, bh, 0); @@ -399,7 +396,7 @@ data_copy: bh = bh->b_this_page; } - block_commit_write(&folio[0]->page, from, from + replaced_size); + block_commit_write(folio[0], from, from + replaced_size); /* Even in case of data=writeback it is reasonable to pin * inode to transaction, to prevent unexpected data loss */ |