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path: root/drivers/md/dm-bufio.c
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Diffstat (limited to 'drivers/md/dm-bufio.c')
-rw-r--r--drivers/md/dm-bufio.c26
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c
index 0387e05cdb98..e855a190270d 100644
--- a/drivers/md/dm-bufio.c
+++ b/drivers/md/dm-bufio.c
@@ -462,6 +462,7 @@ static void __relink_lru(struct dm_buffer *b, int dirty)
c->n_buffers[dirty]++;
b->list_mode = dirty;
list_move(&b->lru_list, &c->lru[dirty]);
+ b->last_accessed = jiffies;
}
/*----------------------------------------------------------------
@@ -528,6 +529,19 @@ static void use_dmio(struct dm_buffer *b, int rw, sector_t block,
end_io(&b->bio, r);
}
+static void inline_endio(struct bio *bio, int error)
+{
+ bio_end_io_t *end_fn = bio->bi_private;
+
+ /*
+ * Reset the bio to free any attached resources
+ * (e.g. bio integrity profiles).
+ */
+ bio_reset(bio);
+
+ end_fn(bio, error);
+}
+
static void use_inline_bio(struct dm_buffer *b, int rw, sector_t block,
bio_end_io_t *end_io)
{
@@ -539,7 +553,12 @@ static void use_inline_bio(struct dm_buffer *b, int rw, sector_t block,
b->bio.bi_max_vecs = DM_BUFIO_INLINE_VECS;
b->bio.bi_sector = block << b->c->sectors_per_block_bits;
b->bio.bi_bdev = b->c->bdev;
- b->bio.bi_end_io = end_io;
+ b->bio.bi_end_io = inline_endio;
+ /*
+ * Use of .bi_private isn't a problem here because
+ * the dm_buffer's inline bio is local to bufio.
+ */
+ b->bio.bi_private = end_io;
/*
* We assume that if len >= PAGE_SIZE ptr is page-aligned.
@@ -1660,6 +1679,11 @@ static int __init dm_bufio_init(void)
{
__u64 mem;
+ dm_bufio_allocated_kmem_cache = 0;
+ dm_bufio_allocated_get_free_pages = 0;
+ dm_bufio_allocated_vmalloc = 0;
+ dm_bufio_current_allocated = 0;
+
memset(&dm_bufio_caches, 0, sizeof dm_bufio_caches);
memset(&dm_bufio_cache_names, 0, sizeof dm_bufio_cache_names);