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authorLinus Torvalds <torvalds@linux-foundation.org>2022-03-22 01:16:01 +0100
committerLinus Torvalds <torvalds@linux-foundation.org>2022-03-22 01:16:01 +0100
commit69d1dea852b54eecd8ad2ec92a7fd371e9aec4bd (patch)
tree4ab2be8e9d5d7eccd68e0fbf3aeea242a0e56613 /drivers/block/xen-blkfront.c
parentMerge tag 'for-5.18/block-2022-03-18' of git://git.kernel.dk/linux-block (diff)
parentMerge tag 'nvme-5.18-2022-03-17' of git://git.infradead.org/nvme into for-5.1... (diff)
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Merge tag 'for-5.18/drivers-2022-03-18' of git://git.kernel.dk/linux-block
Pull block driver updates from Jens Axboe: - NVMe updates via Christoph: - add vectored-io support for user-passthrough (Kanchan Joshi) - add verbose error logging (Alan Adamson) - support buffered I/O on block devices in nvmet (Chaitanya Kulkarni) - central discovery controller support (Martin Belanger) - fix and extended the globally unique idenfier validation (Christoph) - move away from the deprecated IDA APIs (Sagi Grimberg) - misc code cleanup (Keith Busch, Max Gurtovoy, Qinghua Jin, Chaitanya Kulkarni) - add lockdep annotations for in-kernel sockets (Chris Leech) - use vmalloc for ANA log buffer (Hannes Reinecke) - kerneldoc fixes (Chaitanya Kulkarni) - cleanups (Guoqing Jiang, Chaitanya Kulkarni, Christoph) - warn about shared namespaces without multipathing (Christoph) - MD updates via Song with a set of cleanups (Christoph, Mariusz, Paul, Erik, Dirk) - loop cleanups and queue depth configuration (Chaitanya) - null_blk cleanups and fixes (Chaitanya) - Use descriptive init/exit names in virtio_blk (Randy) - Use bvec_kmap_local() in drivers (Christoph) - bcache fixes (Mingzhe) - xen blk-front persistent grant speedups (Juergen) - rnbd fix and cleanup (Gioh) - Misc fixes (Christophe, Colin) * tag 'for-5.18/drivers-2022-03-18' of git://git.kernel.dk/linux-block: (76 commits) virtio_blk: eliminate anonymous module_init & module_exit nvme: warn about shared namespaces without CONFIG_NVME_MULTIPATH nvme: remove nvme_alloc_request and nvme_alloc_request_qid nvme: cleanup how disk->disk_name is assigned nvmet: move the call to nvmet_ns_changed out of nvmet_ns_revalidate nvmet: use snprintf() with PAGE_SIZE in configfs nvmet: don't fold lines nvmet-rdma: fix kernel-doc warning for nvmet_rdma_device_removal nvmet-fc: fix kernel-doc warning for nvmet_fc_unregister_targetport nvmet-fc: fix kernel-doc warning for nvmet_fc_register_targetport nvme-tcp: lockdep: annotate in-kernel sockets nvme-tcp: don't fold the line nvme-tcp: don't initialize ret variable nvme-multipath: call bio_io_error in nvme_ns_head_submit_bio nvme-multipath: use vmalloc for ANA log buffer xen/blkfront: speed up purge_persistent_grants() raid5: initialize the stripe_head embeeded bios as needed raid5-cache: statically allocate the recovery ra bio raid5-cache: fully initialize flush_bio when needed raid5-ppl: fully initialize the bio in ppl_new_iounit ...
Diffstat (limited to 'drivers/block/xen-blkfront.c')
-rw-r--r--drivers/block/xen-blkfront.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 03b5fb341e58..85fc550508cc 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -2533,6 +2533,7 @@ static void purge_persistent_grants(struct blkfront_info *info)
for_each_rinfo(info, rinfo, i) {
struct grant *gnt_list_entry, *tmp;
+ LIST_HEAD(grants);
spin_lock_irqsave(&rinfo->ring_lock, flags);
@@ -2550,9 +2551,11 @@ static void purge_persistent_grants(struct blkfront_info *info)
list_del(&gnt_list_entry->node);
rinfo->persistent_gnts_c--;
gnt_list_entry->gref = GRANT_INVALID_REF;
- list_add_tail(&gnt_list_entry->node, &rinfo->grants);
+ list_add_tail(&gnt_list_entry->node, &grants);
}
+ list_splice_tail(&grants, &rinfo->grants);
+
spin_unlock_irqrestore(&rinfo->ring_lock, flags);
}
}