On Thu, Nov 23, 2017 at 01:40:03PM +0200, Nikolay Borisov wrote: > For file extents xfs currently calls xfs_bmapi_read with flag set to 0, > meaning extents are going to be truncated to the requested range. Since the > same codepath is used for fiemap this means xfs is special in that regard, since > other filesystems (ext4/btrfs) do not trim extents for fiemap. Make the behavior > consistent by always passing XFS_BMAPI_ENTIRE. A full xfstest run validated that > this doesn't regress on ordinary read/write IO. > > Signed-off-by: Nikolay Borisov <nborisov@xxxxxxxx> Looks ok, will also test... Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx> > --- > fs/xfs/xfs_iomap.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c > index f179bdf1644d..8942324a4d3d 100644 > --- a/fs/xfs/xfs_iomap.c > +++ b/fs/xfs/xfs_iomap.c > @@ -1008,7 +1008,7 @@ xfs_file_iomap_begin( > end_fsb = XFS_B_TO_FSB(mp, offset + length); > > error = xfs_bmapi_read(ip, offset_fsb, end_fsb - offset_fsb, &imap, > - &nimaps, 0); > + &nimaps, XFS_BMAPI_ENTIRE); > if (error) > goto out_unlock; > > -- > 2.7.4 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-xfs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
