On 03/24/2015 12:51 PM, Dave Chinner wrote:
<>
> diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
> index 94713c2..8017175 100644
> --- a/fs/xfs/xfs_file.c
> +++ b/fs/xfs/xfs_file.c
> @@ -385,7 +385,11 @@ xfs_file_splice_read(
>
> trace_xfs_file_splice_read(ip, count, *ppos, ioflags);
>
> - ret = generic_file_splice_read(infilp, ppos, pipe, count, flags);
> + /* for dax, we need to avoid the page cache */
> + if (IS_DAX(VFS_I(ip)))
> + ret = default_file_splice_read(infilp, ppos, pipe, count, flags);
> + else
> + ret = generic_file_splice_read(infilp, ppos, pipe, count, flags);
Dave hi
Linus has accepted this patch:
[be64f884be] dax: unify ext2/4_{dax,}_file_operations
Which adds the same exact if(IS_DAX)) to generic_file_splice_read for use
by ext2/4. (It made things easier for both ext2/4)
But also this code is just fine of course
Thanks
Boaz
> if (ret > 0)
> XFS_STATS_ADD(xs_read_bytes, ret);
>
<>
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