Hi Jaegeuk,

> -----Original Message-----
> From: Jaegeuk Kim [mailto:[email protected]]
> Sent: Wednesday, July 15, 2015 3:18 AM
> To: [email protected]; [email protected];
> [email protected]
> Cc: Jaegeuk Kim
> Subject: [f2fs-dev] [PATCH 1/2] f2fs: handle error cases in 
> move_encrypted_block
> 
> This patch fixes some missing error handlers.
> 
> Signed-off-by: Jaegeuk Kim <[email protected]>
> ---
>  fs/f2fs/gc.c | 25 ++++++++++++++++---------
>  1 file changed, 16 insertions(+), 9 deletions(-)
> 
> diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
> index 11046db..db11861 100644
> --- a/fs/f2fs/gc.c
> +++ b/fs/f2fs/gc.c
> @@ -556,27 +556,34 @@ static void move_encrypted_block(struct inode *inode, 
> block_t bidx)
>       if (!fio.encrypted_page)
>               goto put_out;
> 
> -     f2fs_submit_page_bio(&fio);
> -
> -     /* allocate block address */
> -     f2fs_wait_on_page_writeback(dn.node_page, NODE);
> -
> -     allocate_data_block(fio.sbi, NULL, fio.blk_addr,
> -                                     &fio.blk_addr, &sum, CURSEG_COLD_DATA);
> -     dn.data_blkaddr = fio.blk_addr;
> +     err = f2fs_submit_page_bio(&fio);
> +     if (err)
> +             goto put_page_out;

f2fs_submit_page_bio will put the page when failed.

So goto put_out is enough?

> 
>       /* write page */
>       lock_page(fio.encrypted_page);
> +
> +     if (unlikely(!PageUptodate(fio.encrypted_page)))
> +             goto put_page_out;
> +     if (unlikely(fio.encrypted_page->mapping != META_MAPPING(fio.sbi)))
> +             goto put_page_out;
> +
>       set_page_writeback(fio.encrypted_page);
>       fio.rw = WRITE_SYNC;
>       f2fs_submit_page_mbio(&fio);
> 
> +     /* allocate block address */
> +     f2fs_wait_on_page_writeback(dn.node_page, NODE);
> +     allocate_data_block(fio.sbi, NULL, fio.blk_addr,
> +                                     &fio.blk_addr, &sum, CURSEG_COLD_DATA);

move above f2fs_submit_page_mbio(&fio) to here?

Thanks,

> +     dn.data_blkaddr = fio.blk_addr;
> +
>       set_data_blkaddr(&dn);
>       f2fs_update_extent_cache(&dn);
>       set_inode_flag(F2FS_I(inode), FI_APPEND_WRITE);
>       if (page->index == 0)
>               set_inode_flag(F2FS_I(inode), FI_FIRST_BLOCK_WRITTEN);
> -
> +put_page_out:
>       f2fs_put_page(fio.encrypted_page, 1);
>  put_out:
>       f2fs_put_dnode(&dn);
> --
> 2.1.1
> 
> 
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