| Message ID | 20240626142637.300624-3-hch@lst.de (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | [1/8] md: set md-specific flags for all queue limits | expand |
On 26/06/2024 15:26, Christoph Hellwig wrote: > Check the features flag and the override flag using the > blk_queue_write_cache, helper otherwise we're going to always > report "write through". > > Fixes: 1122c0c1cc71 ("block: move cache control settings out of queue->flags") > Signed-off-by: Christoph Hellwig<hch@lst.de> > Reviewed-by: Damien Le Moal<dlemoal@kernel.org> Reviewed-by: John Garry <john.g.garry@oracle.com>
diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index 1a984179f3acc5..3a167abecdceae 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -453,9 +453,9 @@ static ssize_t queue_io_timeout_store(struct request_queue *q, const char *page, static ssize_t queue_wc_show(struct request_queue *q, char *page) { - if (q->limits.features & BLK_FLAG_WRITE_CACHE_DISABLED) - return sprintf(page, "write through\n"); - return sprintf(page, "write back\n"); + if (blk_queue_write_cache(q)) + return sprintf(page, "write back\n"); + return sprintf(page, "write through\n"); } static ssize_t queue_wc_store(struct request_queue *q, const char *page,
Check the features flag and the override flag using the blk_queue_write_cache, helper otherwise we're going to always report "write through". Fixes: 1122c0c1cc71 ("block: move cache control settings out of queue->flags") Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Damien Le Moal <dlemoal@kernel.org> --- block/blk-sysfs.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)