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f2fs: add error checking in do_write_page()

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Otherwise, the filesystem may unaware of potential file corruption.

Signed-off-by: mason.zhang <masonzhang.linuxer@gmail.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
mason.zhang 2025-07-31 23:19:17 +08:00 committed by Jaegeuk Kim
parent e75ce11790
commit 76bb6a72bc
1 changed files with 8 additions and 2 deletions
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10
fs/f2fs/segment.c
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@ -3936,12 +3936,18 @@ static void do_write_page(struct f2fs_summary *sum, struct f2fs_io_info *fio)
int seg_type = log_type_to_seg_type(type);
bool keep_order = (f2fs_lfs_mode(fio->sbi) &&
seg_type == CURSEG_COLD_DATA);
int err;
if (keep_order)
f2fs_down_read(&fio->sbi->io_order_lock);
if (f2fs_allocate_data_block(fio->sbi, folio, fio->old_blkaddr,
&fio->new_blkaddr, sum, type, fio)) {
err = f2fs_allocate_data_block(fio->sbi, folio, fio->old_blkaddr,
&fio->new_blkaddr, sum, type, fio);
if (unlikely(err)) {
f2fs_err_ratelimited(fio->sbi,
"%s Failed to allocate data block, ino:%u, index:%lu, type:%d, old_blkaddr:0x%x, new_blkaddr:0x%x, err:%d",
__func__, fio->ino, folio->index, type,
fio->old_blkaddr, fio->new_blkaddr, err);
if (fscrypt_inode_uses_fs_layer_crypto(folio->mapping->host))
fscrypt_finalize_bounce_page(&fio->encrypted_page);
folio_end_writeback(folio);