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f2fs: fix to return correct error number in f2fs_sync_node_pages()

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If __write_node_folio() failed, it will return AOP_WRITEPAGE_ACTIVATE,
the incorrect return value may be passed to userspace in below path,
fix it.

- sync_filesystem
 - sync_fs
  - f2fs_issue_checkpoint
   - block_operations
    - f2fs_sync_node_pages
     - __write_node_folio
     : return AOP_WRITEPAGE_ACTIVATE

Cc: stable@vger.kernel.org
Reported-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu 2025-05-08 07:14:27 +02:00 committed by Jaegeuk Kim
parent 0427e811c9
commit 43ba56a043
1 changed files with 6 additions and 2 deletions
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8
fs/f2fs/node.c
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@ -2092,10 +2092,14 @@ int f2fs_sync_node_pages(struct f2fs_sb_info *sbi,
ret = __write_node_folio(folio, false, &submitted,
wbc, do_balance, io_type, NULL);
if (ret)
if (ret) {
folio_unlock(folio);
else if (submitted)
folio_batch_release(&fbatch);
ret = -EIO;
goto out;
} else if (submitted) {
nwritten++;
}
if (--wbc->nr_to_write == 0)
break;