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) -- 2.51.0
