drbd: Fix spelling

Found these with the help of ispell -l.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>

9 files changed, 40 insertions, 40 deletions

diff --git a/drivers/block/drbd/drbd_actlog.c b/drivers/block/drbd/drbd_actlog.c
index c6828b68d77b..09ef9a878ef0 100644
--- a/drivers/block/drbd/drbd_actlog.c
+++ b/drivers/block/drbd/drbd_actlog.c
@@ -28,7 +28,7 @@
 #include "drbd_int.h"
 #include "drbd_wrappers.h"
 
-/* We maintain a trivial check sum in our on disk activity log.
+/* We maintain a trivial checksum in our on disk activity log.
  * With that we can ensure correct operation even when the storage
  * device might do a partial (last) sector write while losing power.
  */
diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c
index 76210ba401ac..f440a02dfdb1 100644
--- a/drivers/block/drbd/drbd_bitmap.c
+++ b/drivers/block/drbd/drbd_bitmap.c
@@ -74,7 +74,7 @@
  *      as we are "attached" to a local disk, which at 32 GiB for 1PiB storage
  *      seems excessive.
  *
- *      We plan to reduce the amount of in-core bitmap pages by pageing them in
+ *      We plan to reduce the amount of in-core bitmap pages by paging them in
  *      and out against their on-disk location as necessary, but need to make
  *      sure we don't cause too much meta data IO, and must not deadlock in
  *      tight memory situations. This needs some more work.
@@ -200,7 +200,7 @@ void drbd_bm_unlock(struct drbd_conf *mdev)
  * we if bits have been cleared since last IO. */
 #define BM_PAGE_LAZY_WRITEOUT   28
 
-/* store_page_idx uses non-atomic assingment. It is only used directly after
+/* store_page_idx uses non-atomic assignment. It is only used directly after
  * allocating the page.  All other bm_set_page_* and bm_clear_page_* need to
  * use atomic bit manipulation, as set_out_of_sync (and therefore bitmap
  * changes) may happen from various contexts, and wait_on_bit/wake_up_bit
@@ -318,7 +318,7 @@ static void bm_unmap(unsigned long *p_addr)
 /* word offset from start of bitmap to word number _in_page_
  * modulo longs per page
 #define MLPP(X) ((X) % (PAGE_SIZE/sizeof(long))
- hm, well, Philipp thinks gcc might not optimze the % into & (... - 1)
+ hm, well, Philipp thinks gcc might not optimize the % into & (... - 1)
  so do it explicitly:
  */
 #define MLPP(X) ((X) & ((PAGE_SIZE/sizeof(long))-1))
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h
index a74d3ee04ba8..7952eb90d17f 100644
--- a/drivers/block/drbd/drbd_int.h
+++ b/drivers/block/drbd/drbd_int.h
@@ -699,7 +699,7 @@ struct drbd_request {
          * see drbd_endio_pri(). */
         struct bio *private_bio;
 
-        struct hlist_node colision;
+        struct hlist_node collision;
         sector_t sector;
         unsigned int size;
         unsigned int epoch; /* barrier_nr */
@@ -765,7 +765,7 @@ struct digest_info {
 
 struct drbd_epoch_entry {
         struct drbd_work w;
-        struct hlist_node colision;
+        struct hlist_node collision;
         struct drbd_epoch *epoch; /* for writes */
         struct drbd_conf *mdev;
         struct page *pages;
@@ -1520,7 +1520,7 @@ extern void drbd_resume_io(struct drbd_conf *mdev);
 extern char *ppsize(char *buf, unsigned long long size);
 extern sector_t drbd_new_dev_size(struct drbd_conf *, struct drbd_backing_dev *, int);
 enum determine_dev_size { dev_size_error = -1, unchanged = 0, shrunk = 1, grew = 2 };
-extern enum determine_dev_size drbd_determin_dev_size(struct drbd_conf *, enum dds_flags) __must_hold(local);
+extern enum determine_dev_size drbd_determine_dev_size(struct drbd_conf *, enum dds_flags) __must_hold(local);
 extern void resync_after_online_grow(struct drbd_conf *);
 extern void drbd_reconsider_max_bio_size(struct drbd_conf *mdev);
 extern enum drbd_state_rv drbd_set_role(struct drbd_conf *mdev,
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index cfeb13b5a216..0358e55356c8 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -2732,7 +2732,7 @@ int drbd_send_dblock(struct drbd_conf *mdev, struct drbd_request *req)
 
                 /* double check digest, sometimes buffers have been modified in flight. */
                 if (dgs > 0 && dgs <= 64) {
-                        /* 64 byte, 512 bit, is the larges digest size
+                        /* 64 byte, 512 bit, is the largest digest size
                          * currently supported in kernel crypto. */
                         unsigned char digest[64];
                         drbd_csum_bio(mdev, mdev->integrity_w_tfm, req->master_bio, digest);
@@ -3287,7 +3287,7 @@ static void drbd_delete_device(unsigned int minor)
 
         drbd_release_ee_lists(mdev);
 
-        /* should be free'd on disconnect? */
+        /* should be freed on disconnect? */
         kfree(mdev->ee_hash);
         /*
         mdev->ee_hash_s = 0;
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 13569635b922..259ca0b20961 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -596,7 +596,7 @@ void drbd_resume_io(struct drbd_conf *mdev)
  * Returns 0 on success, negative return values indicate errors.
  * You should call drbd_md_sync() after calling this function.
  */
-enum determine_dev_size drbd_determin_dev_size(struct drbd_conf *mdev, enum dds_flags flags) __must_hold(local)
+enum determine_dev_size drbd_determine_dev_size(struct drbd_conf *mdev, enum dds_flags flags) __must_hold(local)
 {
         sector_t prev_first_sect, prev_size; /* previous meta location */
         sector_t la_size;
@@ -1205,7 +1205,7 @@ static int drbd_nl_disk_conf(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp
             !drbd_md_test_flag(mdev->ldev, MDF_CONNECTED_IND))
                 set_bit(USE_DEGR_WFC_T, &mdev->flags);
 
-        dd = drbd_determin_dev_size(mdev, 0);
+        dd = drbd_determine_dev_size(mdev, 0);
         if (dd == dev_size_error) {
                 retcode = ERR_NOMEM_BITMAP;
                 goto force_diskless_dec;
@@ -1719,7 +1719,7 @@ static int drbd_nl_resize(struct drbd_conf *mdev, struct drbd_nl_cfg_req *nlp,
 
         mdev->ldev->dc.disk_size = (sector_t)rs.resize_size;
         ddsf = (rs.resize_force ? DDSF_FORCED : 0) | (rs.no_resync ? DDSF_NO_RESYNC : 0);
-        dd = drbd_determin_dev_size(mdev, ddsf);
+        dd = drbd_determine_dev_size(mdev, ddsf);
         drbd_md_sync(mdev);
         put_ldev(mdev);
         if (dd == dev_size_error) {
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 6ea0a4b51ece..d9f2109fd9e6 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -333,7 +333,7 @@ struct drbd_epoch_entry *drbd_alloc_ee(struct drbd_conf *mdev,
         if (!page)
                 goto fail;
 
-        INIT_HLIST_NODE(&e->colision);
+        INIT_HLIST_NODE(&e->collision);
         e->epoch = NULL;
         e->mdev = mdev;
         e->pages = page;
@@ -356,7 +356,7 @@ void drbd_free_some_ee(struct drbd_conf *mdev, struct drbd_epoch_entry *e, int i
                 kfree(e->digest);
         drbd_pp_free(mdev, e->pages, is_net);
         D_ASSERT(atomic_read(&e->pending_bios) == 0);
-        D_ASSERT(hlist_unhashed(&e->colision));
+        D_ASSERT(hlist_unhashed(&e->collision));
         mempool_free(e, drbd_ee_mempool);
 }
 
@@ -1413,7 +1413,7 @@ static int e_end_resync_block(struct drbd_conf *mdev, struct drbd_work *w, int u
         sector_t sector = e->sector;
         int ok;
 
-        D_ASSERT(hlist_unhashed(&e->colision));
+        D_ASSERT(hlist_unhashed(&e->collision));
 
         if (likely((e->flags & EE_WAS_ERROR) == 0)) {
                 drbd_set_in_sync(mdev, sector, e->size);
@@ -1482,7 +1482,7 @@ static int receive_DataReply(struct drbd_conf *mdev, enum drbd_packets cmd, unsi
                 return false;
         }
 
-        /* hlist_del(&req->colision) is done in _req_may_be_done, to avoid
+        /* hlist_del(&req->collision) is done in _req_may_be_done, to avoid
          * special casing it there for the various failure cases.
          * still no race with drbd_fail_pending_reads */
         ok = recv_dless_read(mdev, req, sector, data_size);
@@ -1553,11 +1553,11 @@ static int e_end_block(struct drbd_conf *mdev, struct drbd_work *w, int cancel)
          * P_WRITE_ACK / P_NEG_ACK, to get the sequence number right.  */
         if (mdev->net_conf->two_primaries) {
                 spin_lock_irq(&mdev->req_lock);
-                D_ASSERT(!hlist_unhashed(&e->colision));
-                hlist_del_init(&e->colision);
+                D_ASSERT(!hlist_unhashed(&e->collision));
+                hlist_del_init(&e->collision);
                 spin_unlock_irq(&mdev->req_lock);
         } else {
-                D_ASSERT(hlist_unhashed(&e->colision));
+                D_ASSERT(hlist_unhashed(&e->collision));
         }
 
         drbd_may_finish_epoch(mdev, e->epoch, EV_PUT + (cancel ? EV_CLEANUP : 0));
@@ -1574,8 +1574,8 @@ static int e_send_discard_ack(struct drbd_conf *mdev, struct drbd_work *w, int u
         ok = drbd_send_ack(mdev, P_DISCARD_ACK, e);
 
         spin_lock_irq(&mdev->req_lock);
-        D_ASSERT(!hlist_unhashed(&e->colision));
-        hlist_del_init(&e->colision);
+        D_ASSERT(!hlist_unhashed(&e->collision));
+        hlist_del_init(&e->collision);
         spin_unlock_irq(&mdev->req_lock);
 
         dec_unacked(mdev);
@@ -1750,7 +1750,7 @@ static int receive_Data(struct drbd_conf *mdev, enum drbd_packets cmd, unsigned
 
                 spin_lock_irq(&mdev->req_lock);
 
-                hlist_add_head(&e->colision, ee_hash_slot(mdev, sector));
+                hlist_add_head(&e->collision, ee_hash_slot(mdev, sector));
 
 #define OVERLAPS overlaps(i->sector, i->size, sector, size)
                 slot = tl_hash_slot(mdev, sector);
@@ -1760,7 +1760,7 @@ static int receive_Data(struct drbd_conf *mdev, enum drbd_packets cmd, unsigned
                         int have_conflict = 0;
                         prepare_to_wait(&mdev->misc_wait, &wait,
                                 TASK_INTERRUPTIBLE);
-                        hlist_for_each_entry(i, n, slot, colision) {
+                        hlist_for_each_entry(i, n, slot, collision) {
                                 if (OVERLAPS) {
                                         /* only ALERT on first iteration,
                                          * we may be woken up early... */
@@ -1799,7 +1799,7 @@ static int receive_Data(struct drbd_conf *mdev, enum drbd_packets cmd, unsigned
                         }
 
                         if (signal_pending(current)) {
-                                hlist_del_init(&e->colision);
+                                hlist_del_init(&e->collision);
 
                                 spin_unlock_irq(&mdev->req_lock);
 
@@ -1857,7 +1857,7 @@ static int receive_Data(struct drbd_conf *mdev, enum drbd_packets cmd, unsigned
         dev_err(DEV, "submit failed, triggering re-connect\n");
         spin_lock_irq(&mdev->req_lock);
         list_del(&e->w.list);
-        hlist_del_init(&e->colision);
+        hlist_del_init(&e->collision);
         spin_unlock_irq(&mdev->req_lock);
         if (e->flags & EE_CALL_AL_COMPLETE_IO)
                 drbd_al_complete_io(mdev, e->sector);
@@ -2988,7 +2988,7 @@ static int receive_sizes(struct drbd_conf *mdev, enum drbd_packets cmd, unsigned
 
         ddsf = be16_to_cpu(p->dds_flags);
         if (get_ldev(mdev)) {
-                dd = drbd_determin_dev_size(mdev, ddsf);
+                dd = drbd_determine_dev_size(mdev, ddsf);
                 put_ldev(mdev);
                 if (dd == dev_size_error)
                         return false;
@@ -4261,7 +4261,7 @@ static struct drbd_request *_ack_id_to_req(struct drbd_conf *mdev,
         struct hlist_node *n;
         struct drbd_request *req;
 
-        hlist_for_each_entry(req, n, slot, colision) {
+        hlist_for_each_entry(req, n, slot, collision) {
                 if ((unsigned long)req == (unsigned long)id) {
                         if (req->sector != sector) {
                                 dev_err(DEV, "_ack_id_to_req: found req %p but it has "
diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c
index 14645bd40092..3424d675b769 100644
--- a/drivers/block/drbd/drbd_req.c
+++ b/drivers/block/drbd/drbd_req.c
@@ -163,7 +163,7 @@ static void _about_to_complete_local_write(struct drbd_conf *mdev,
                  * they must have been failed on the spot */
 #define OVERLAPS overlaps(sector, size, i->sector, i->size)
                 slot = tl_hash_slot(mdev, sector);
-                hlist_for_each_entry(i, n, slot, colision) {
+                hlist_for_each_entry(i, n, slot, collision) {
                         if (OVERLAPS) {
                                 dev_alert(DEV, "LOGIC BUG: completed: %p %llus +%u; "
                                       "other: %p %llus +%u\n",
@@ -187,7 +187,7 @@ static void _about_to_complete_local_write(struct drbd_conf *mdev,
 #undef OVERLAPS
 #define OVERLAPS overlaps(sector, size, e->sector, e->size)
                 slot = ee_hash_slot(mdev, req->sector);
-                hlist_for_each_entry(e, n, slot, colision) {
+                hlist_for_each_entry(e, n, slot, collision) {
                         if (OVERLAPS) {
                                 wake_up(&mdev->misc_wait);
                                 break;
@@ -260,8 +260,8 @@ void _req_may_be_done(struct drbd_request *req, struct bio_and_error *m)
 
                 /* remove the request from the conflict detection
                  * respective block_id verification hash */
-                if (!hlist_unhashed(&req->colision))
-                        hlist_del(&req->colision);
+                if (!hlist_unhashed(&req->collision))
+                        hlist_del(&req->collision);
                 else
                         D_ASSERT((s & (RQ_NET_MASK & ~RQ_NET_DONE)) == 0);
 
@@ -329,7 +329,7 @@ static int _req_conflicts(struct drbd_request *req)
         struct hlist_node *n;
         struct hlist_head *slot;
 
-        D_ASSERT(hlist_unhashed(&req->colision));
+        D_ASSERT(hlist_unhashed(&req->collision));
 
         if (!get_net_conf(mdev))
                 return 0;
@@ -341,7 +341,7 @@ static int _req_conflicts(struct drbd_request *req)
 
 #define OVERLAPS overlaps(i->sector, i->size, sector, size)
         slot = tl_hash_slot(mdev, sector);
-        hlist_for_each_entry(i, n, slot, colision) {
+        hlist_for_each_entry(i, n, slot, collision) {
                 if (OVERLAPS) {
                         dev_alert(DEV, "%s[%u] Concurrent local write detected! "
                               "[DISCARD L] new: %llus +%u; "
@@ -359,7 +359,7 @@ static int _req_conflicts(struct drbd_request *req)
 #undef OVERLAPS
 #define OVERLAPS overlaps(e->sector, e->size, sector, size)
                 slot = ee_hash_slot(mdev, sector);
-                hlist_for_each_entry(e, n, slot, colision) {
+                hlist_for_each_entry(e, n, slot, collision) {
                         if (OVERLAPS) {
                                 dev_alert(DEV, "%s[%u] Concurrent remote write detected!"
                                       " [DISCARD L] new: %llus +%u; "
@@ -491,7 +491,7 @@ int __req_mod(struct drbd_request *req, enum drbd_req_event what,
 
                 /* so we can verify the handle in the answer packet
                  * corresponding hlist_del is in _req_may_be_done() */
-                hlist_add_head(&req->colision, ar_hash_slot(mdev, req->sector));
+                hlist_add_head(&req->collision, ar_hash_slot(mdev, req->sector));
 
                 set_bit(UNPLUG_REMOTE, &mdev->flags);
 
@@ -507,7 +507,7 @@ int __req_mod(struct drbd_request *req, enum drbd_req_event what,
                 /* assert something? */
                 /* from drbd_make_request_common only */
 
-                hlist_add_head(&req->colision, tl_hash_slot(mdev, req->sector));
+                hlist_add_head(&req->collision, tl_hash_slot(mdev, req->sector));
                 /* corresponding hlist_del is in _req_may_be_done() */
 
                 /* NOTE
diff --git a/drivers/block/drbd/drbd_req.h b/drivers/block/drbd/drbd_req.h
index 32e2c3e6a813..281342dca2c8 100644
--- a/drivers/block/drbd/drbd_req.h
+++ b/drivers/block/drbd/drbd_req.h
@@ -256,7 +256,7 @@ static inline struct drbd_request *_ar_id_to_req(struct drbd_conf *mdev,
         struct hlist_node *n;
         struct drbd_request *req;
 
-        hlist_for_each_entry(req, n, slot, colision) {
+        hlist_for_each_entry(req, n, slot, collision) {
                 if ((unsigned long)req == (unsigned long)id) {
                         D_ASSERT(req->sector == sector);
                         return req;
@@ -291,7 +291,7 @@ static inline struct drbd_request *drbd_req_new(struct drbd_conf *mdev,
                 req->epoch       = 0;
                 req->sector      = bio_src->bi_sector;
                 req->size        = bio_src->bi_size;
-                INIT_HLIST_NODE(&req->colision);
+                INIT_HLIST_NODE(&req->collision);
                 INIT_LIST_HEAD(&req->tl_requests);
                 INIT_LIST_HEAD(&req->w.list);
         }
diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c
index b5e53695fd7e..4d76b06b6b20 100644
--- a/drivers/block/drbd/drbd_worker.c
+++ b/drivers/block/drbd/drbd_worker.c
@@ -126,7 +126,7 @@ static void drbd_endio_write_sec_final(struct drbd_epoch_entry *e) __releases(lo
         list_del(&e->w.list); /* has been on active_ee or sync_ee */
         list_add_tail(&e->w.list, &mdev->done_ee);
 
-        /* No hlist_del_init(&e->colision) here, we did not send the Ack yet,
+        /* No hlist_del_init(&e->collision) here, we did not send the Ack yet,
          * neither did we wake possibly waiting conflicting requests.
          * done from "drbd_process_done_ee" within the appropriate w.cb
          * (e_end_block/e_end_resync_block) or from _drbd_clear_done_ee */
@@ -840,7 +840,7 @@ int drbd_resync_finished(struct drbd_conf *mdev)
                         const int ratio =
                                 (t == 0)     ? 0 :
                         (t < 100000) ? ((s*100)/t) : (s/(t/100));
-                        dev_info(DEV, "%u %% had equal check sums, eliminated: %luK; "
+                        dev_info(DEV, "%u %% had equal checksums, eliminated: %luK; "
                              "transferred %luK total %luK\n",
                              ratio,
                              Bit2KB(mdev->rs_same_csum),