diff options
| author |   Juergen Gross <jgross@suse.com> | 2018-09-28 09:28:27 +0200 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2018-09-28 09:40:39 -0600 |
| commit | 6c7678674014b4552caf0e5aa0ca34078a377482 (patch) | |
| tree | f05b024078f3aea15130e67fbe71a22ff15cd036 /drivers/block/xen-blkfront.c | |
| parent | Revert "xen/blkfront: When purging persistent grants, keep them in the buffer" (diff) | |
| download | linux-dev-6c7678674014b4552caf0e5aa0ca34078a377482.tar.xz linux-dev-6c7678674014b4552caf0e5aa0ca34078a377482.zip | |
xen/blkfront: correct purging of persistent grants
Commit a46b53672b2c2e3770b38a4abf90d16364d2584b ("xen/blkfront: cleanup
stale persistent grants") introduced a regression as purged persistent
grants were not pu into the list of free grants again. Correct that.
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/xen-blkfront.c')
| -rw-r--r-- | drivers/block/xen-blkfront.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c index a71d817e900d..429d20131c7e 100644 --- a/drivers/block/xen-blkfront.c +++ b/drivers/block/xen-blkfront.c @@ -2670,8 +2670,8 @@ static void purge_persistent_grants(struct blkfront_info *info) list_del(&gnt_list_entry->node); gnttab_end_foreign_access(gnt_list_entry->gref, 0, 0UL); rinfo->persistent_gnts_c--; - __free_page(gnt_list_entry->page); - kfree(gnt_list_entry); + gnt_list_entry->gref = GRANT_INVALID_REF; + list_add_tail(&gnt_list_entry->node, &rinfo->grants); } spin_unlock_irqrestore(&rinfo->ring_lock, flags); |