On 11/4/25 02:31, Damien Le Moal wrote:
Modify xfs_mount_zones() to replace the call to blkdev_report_zones()
with blkdev_report_zones_cached() to speed-up mount operations.

With this change, mounting a freshly formatted large capacity (30 TB)
SMR HDD completes under 2s compared to over 4.7s before.

Signed-off-by: Damien Le Moal <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Reviewed-by: Johannes Thumshirn <[email protected]>
---
  fs/xfs/xfs_zone_alloc.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/xfs/xfs_zone_alloc.c b/fs/xfs/xfs_zone_alloc.c
index 23cdab4515bb..8d819bc134cd 100644
--- a/fs/xfs/xfs_zone_alloc.c
+++ b/fs/xfs/xfs_zone_alloc.c
@@ -1231,7 +1231,7 @@ xfs_mount_zones(
        trace_xfs_zones_mount(mp);
if (bdev_is_zoned(bt->bt_bdev)) {
-               error = blkdev_report_zones(bt->bt_bdev,
+               error = blkdev_report_zones_cached(bt->bt_bdev,
                                XFS_FSB_TO_BB(mp, mp->m_sb.sb_rtstart),
                                mp->m_sb.sb_rgcount, xfs_get_zone_info_cb, &iz);
                if (error < 0)

Reviewed-by: Hannes Reinecke <[email protected]>

Cheers,

Hannes
--
Dr. Hannes Reinecke                  Kernel Storage Architect
[email protected]                                +49 911 74053 688
SUSE Software Solutions GmbH, Frankenstr. 146, 90461 Nürnberg
HRB 36809 (AG Nürnberg), GF: I. Totev, A. McDonald, W. Knoblich

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