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| author | Lars Ellenberg <lars.ellenberg@linbit.com> | 2011-02-23 19:02:01 +0300 |
|---|---|---|
| committer | Philipp Reisner <philipp.reisner@linbit.com> | 2012-05-09 17:17:07 +0400 |
| commit | 9476f39d66041ca8c66546671765b4047bffa895 (patch) | |
| tree | 1416c0522fab3c228834cafbe1e1463e7900a0d0 /drivers/block/drbd/drbd_int.h | |
| parent | 3c2f7a856f2e70d2f1bb59f65d97a66047f14f36 (diff) | |
| download | linux-9476f39d66041ca8c66546671765b4047bffa895.tar.xz | |
drbd: introduce a bio_set to allocate housekeeping bios from
Don't rely on availability of bios from the global fs_bio_set,
we should use our own bio_set for meta data IO.
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'drivers/block/drbd/drbd_int.h')
| -rw-r--r-- | drivers/block/drbd/drbd_int.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index 685ed4cca173..02f013a073a7 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -1522,6 +1522,12 @@ extern wait_queue_head_t drbd_pp_wait; #define DRBD_MIN_POOL_PAGES 128 extern mempool_t *drbd_md_io_page_pool; +/* We also need to make sure we get a bio + * when we need it for housekeeping purposes */ +extern struct bio_set *drbd_md_io_bio_set; +/* to allocate from that set */ +extern struct bio *bio_alloc_drbd(gfp_t gfp_mask); + extern rwlock_t global_state_lock; extern struct drbd_conf *drbd_new_device(unsigned int minor); |