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Linux 6.11: get backing_dev_info through queue gendisk

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It's no longer available directly on the request queue, but its easy to
get from the attached disk.

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Sponsored-by: https://despairlabs.com/sponsor/
Closes #16400
This commit is contained in:
Rob Norris
2024-07-30 22:25:50 +10:00
committed by Brian Behlendorf
parent e95b732e49
commit 7e98d30f46
2 changed files with 31 additions and 1 deletions
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include/os/linux/kernel/linux/blkdev_compat.h
+3 -1
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@@ -133,8 +133,10 @@ blk_queue_set_read_ahead(struct request_queue *q, unsigned long ra_pages)
{
#if !defined(HAVE_BLK_QUEUE_UPDATE_READAHEAD) && \
!defined(HAVE_DISK_UPDATE_READAHEAD)
#ifdef HAVE_BLK_QUEUE_BDI_DYNAMIC
#if defined(HAVE_BLK_QUEUE_BDI_DYNAMIC)
q->backing_dev_info->ra_pages = ra_pages;
#elif defined(HAVE_BLK_QUEUE_DISK_BDI)
q->disk->bdi->ra_pages = ra_pages;
#else
q->backing_dev_info.ra_pages = ra_pages;
#endif