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| author | Juergen Gross <jgross@suse.com> | 2020-12-07 08:31:22 +0100 |
|---|---|---|
| committer | Juergen Gross <jgross@suse.com> | 2020-12-09 10:31:37 +0100 |
| commit | ca33479cc7be2c9b5f8be078c8bf3ac26b7d6186 (patch) | |
| tree | 8877168fff59f8955f29ddaf37a0ac6a0cb3d9fd /drivers/block/xen-blkback/common.h | |
| parent | a68a0262abdaa251e12c53715f48e698a18ef402 (diff) | |
| download | linux-ca33479cc7be2c9b5f8be078c8bf3ac26b7d6186.tar.bz2 | |
xen: add helpers for caching grant mapping pages
Instead of having similar helpers in multiple backend drivers use
common helpers for caching pages allocated via gnttab_alloc_pages().
Make use of those helpers in blkback and scsiback.
Cc: <stable@vger.kernel.org> # 5.9
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Boris Ostrovsky <boris.ostrovksy@oracle.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Diffstat (limited to 'drivers/block/xen-blkback/common.h')
| -rw-r--r-- | drivers/block/xen-blkback/common.h | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/block/xen-blkback/common.h b/drivers/block/xen-blkback/common.h index c6ea5d38c509..a1b9df2c4ef1 100644 --- a/drivers/block/xen-blkback/common.h +++ b/drivers/block/xen-blkback/common.h @@ -288,9 +288,7 @@ struct xen_blkif_ring { struct work_struct persistent_purge_work; /* Buffer of free pages to map grant refs. */ - spinlock_t free_pages_lock; - int free_pages_num; - struct list_head free_pages; + struct gnttab_page_cache free_pages; struct work_struct free_work; /* Thread shutdown wait queue. */ |