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authorJohn Garry <john.garry@huawei.com>2020-08-19 17:20:23 +0200
committerJens Axboe <axboe@kernel.dk>2020-09-03 23:20:47 +0200
commit222a5ae03cdd12e7643f2f64689a39ed547650cb (patch)
tree0c9e5f6ae1341138eeddb15f43112e310497f5ae /block/blk-mq-debugfs.c
parentblk-mq: Pass flags for tag init/free (diff)
downloadlinux-222a5ae03cdd12e7643f2f64689a39ed547650cb.tar.xz
linux-222a5ae03cdd12e7643f2f64689a39ed547650cb.zip
blk-mq: Use pointers for blk_mq_tags bitmap tags
Introduce pointers for the blk_mq_tags regular and reserved bitmap tags, with the goal of later being able to use a common shared tag bitmap across all HW contexts in a set. Signed-off-by: John Garry <john.garry@huawei.com> Tested-by: Don Brace<don.brace@microsemi.com> #SCSI resv cmds patches used Tested-by: Douglas Gilbert <dgilbert@interlog.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-mq-debugfs.c')
-rw-r--r--block/blk-mq-debugfs.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c
index a4597febff69..645b7f800cb8 100644
--- a/block/blk-mq-debugfs.c
+++ b/block/blk-mq-debugfs.c
@@ -452,11 +452,11 @@ static void blk_mq_debugfs_tags_show(struct seq_file *m,
atomic_read(&tags->active_queues));
seq_puts(m, "\nbitmap_tags:\n");
- sbitmap_queue_show(&tags->bitmap_tags, m);
+ sbitmap_queue_show(tags->bitmap_tags, m);
if (tags->nr_reserved_tags) {
seq_puts(m, "\nbreserved_tags:\n");
- sbitmap_queue_show(&tags->breserved_tags, m);
+ sbitmap_queue_show(tags->breserved_tags, m);
}
}
@@ -487,7 +487,7 @@ static int hctx_tags_bitmap_show(void *data, struct seq_file *m)
if (res)
goto out;
if (hctx->tags)
- sbitmap_bitmap_show(&hctx->tags->bitmap_tags.sb, m);
+ sbitmap_bitmap_show(&hctx->tags->bitmap_tags->sb, m);
mutex_unlock(&q->sysfs_lock);
out:
@@ -521,7 +521,7 @@ static int hctx_sched_tags_bitmap_show(void *data, struct seq_file *m)
if (res)
goto out;
if (hctx->sched_tags)
- sbitmap_bitmap_show(&hctx->sched_tags->bitmap_tags.sb, m);
+ sbitmap_bitmap_show(&hctx->sched_tags->bitmap_tags->sb, m);
mutex_unlock(&q->sysfs_lock);
out: