Hi Huang,
It occurs a merge conflict.
Please check the patch.
Anyway, IMO, it needs to place f2fs_balance_fs somewhere in get_data_block.
Thanks,
On Mon, Jul 07, 2014 at 01:46:28PM +0800, Huang Ying wrote:
> Otherwise, if a large amount of direct IO writes were done, the
> segment allocation may be failed because no enough segments are gced.
>
> Signed-off-by: Huang, Ying <ying.hu...@intel.com>
> ---
> fs/f2fs/data.c | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
> --- a/fs/f2fs/data.c
> +++ b/fs/f2fs/data.c
> @@ -1038,6 +1038,7 @@ static ssize_t f2fs_direct_IO(int rw, st
> {
> struct file *file = iocb->ki_filp;
> struct inode *inode = file->f_mapping->host;
> + struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
>
> /* Let buffer I/O handle the inline data case. */
> if (f2fs_has_inline_data(inode))
> @@ -1046,8 +1047,11 @@ static ssize_t f2fs_direct_IO(int rw, st
> if (check_direct_IO(inode, rw, iter, offset))
> return 0;
>
> + if (rw == WRITE)
> + f2fs_balance_fs(sbi);
> +
> /* clear fsync mark to recover these blocks */
> - fsync_mark_clear(F2FS_SB(inode->i_sb), inode->i_ino);
> + fsync_mark_clear(sbi, inode->i_ino);
>
> return blockdev_direct_IO(rw, iocb, inode, iter, offset,
> get_data_block);
--
Jaegeuk Kim
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