xfs: adjust the hint based zone allocation policy

As we really can't make any general assumptions about files that don't
have any life time hint set or are set to "NONE", adjust the allocation
policy to avoid co-locating data from those files with files with a set
life time.

Signed-off-by: Hans Holmberg <hans.holmberg@wdc.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Carlos Maiolino <cem@kernel.org>

diff --git a/fs/xfs/xfs_zone_alloc.c b/fs/xfs/xfs_zone_alloc.c
index ff24769b88702ef84db988f897c6134ca385bcb8..23a027387933d5d338c05a67cdffc197cee36c34 100644 (file)
--- a/fs/xfs/xfs_zone_alloc.c
+++ b/fs/xfs/xfs_zone_alloc.c
@@ -512,17 +512,11 @@ static const unsigned int
 xfs_zoned_hint_score[WRITE_LIFE_HINT_NR][WRITE_LIFE_HINT_NR] = {
        [WRITE_LIFE_NOT_SET]    = {
                [WRITE_LIFE_NOT_SET]    = XFS_ZONE_ALLOC_OK,
-               [WRITE_LIFE_NONE]       = XFS_ZONE_ALLOC_OK,
-               [WRITE_LIFE_SHORT]      = XFS_ZONE_ALLOC_OK,
        },
        [WRITE_LIFE_NONE]       = {
-               [WRITE_LIFE_NOT_SET]    = XFS_ZONE_ALLOC_OK,
-               [WRITE_LIFE_NONE]       = XFS_ZONE_ALLOC_GOOD,
-               [WRITE_LIFE_SHORT]      = XFS_ZONE_ALLOC_GOOD,
+               [WRITE_LIFE_NONE]       = XFS_ZONE_ALLOC_OK,
        },
        [WRITE_LIFE_SHORT]      = {
-               [WRITE_LIFE_NOT_SET]    = XFS_ZONE_ALLOC_GOOD,
-               [WRITE_LIFE_NONE]       = XFS_ZONE_ALLOC_GOOD,
                [WRITE_LIFE_SHORT]      = XFS_ZONE_ALLOC_GOOD,
        },
        [WRITE_LIFE_MEDIUM]     = {