Merge branch 'mymd/for-next' into mymd/for-linus

diff --git a/MAINTAINERS b/MAINTAINERS
index 24c5b9a296702ccaa8069167ae8c4f0a28ecbcb0..eef506a9f0aba8f7c103c012d3be4094684058d7 100644 (file)
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -10174,6 +10174,7 @@ S:      Supported
 F:     drivers/media/pci/solo6x10/
 
 SOFTWARE RAID (Multiple Disks) SUPPORT
+M:     Shaohua Li <shli@kernel.org>
 L:     linux-raid@vger.kernel.org
 T:     git git://neil.brown.name/md
 S:     Supported

diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 4f22e919787aba1bcab7b8f6799a3c22a6b7ce28..d80cce499a56e595d1f2679170124ca5fc620315 100644 (file)
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -210,10 +210,6 @@ static int write_sb_page(struct bitmap *bitmap, struct page *page, int wait)
        struct block_device *bdev;
        struct mddev *mddev = bitmap->mddev;
        struct bitmap_storage *store = &bitmap->storage;
-       int node_offset = 0;
-
-       if (mddev_is_clustered(bitmap->mddev))
-               node_offset = bitmap->cluster_slot * store->file_pages;
 
        while ((rdev = next_active_rdev(rdev, mddev)) != NULL) {
                int size = PAGE_SIZE;

diff --git a/drivers/md/faulty.c b/drivers/md/faulty.c
index 4a8e15058e8b56a8a9d89d9f0db50135df44c6d3..685aa2d77e2526935f8f2f416ad8d8681b6c7b14 100644 (file)
--- a/drivers/md/faulty.c
+++ b/drivers/md/faulty.c
@@ -170,7 +170,7 @@ static void add_sector(struct faulty_conf *conf, sector_t start, int mode)
                conf->nfaults = n+1;
 }
 
-static void make_request(struct mddev *mddev, struct bio *bio)
+static void faulty_make_request(struct mddev *mddev, struct bio *bio)
 {
        struct faulty_conf *conf = mddev->private;
        int failit = 0;
@@ -226,7 +226,7 @@ static void make_request(struct mddev *mddev, struct bio *bio)
        generic_make_request(bio);
 }
 
-static void status(struct seq_file *seq, struct mddev *mddev)
+static void faulty_status(struct seq_file *seq, struct mddev *mddev)
 {
        struct faulty_conf *conf = mddev->private;
        int n;
@@ -259,7 +259,7 @@ static void status(struct seq_file *seq, struct mddev *mddev)
 }
 
 
-static int reshape(struct mddev *mddev)
+static int faulty_reshape(struct mddev *mddev)
 {
        int mode = mddev->new_layout & ModeMask;
        int count = mddev->new_layout >> ModeShift;
@@ -299,7 +299,7 @@ static sector_t faulty_size(struct mddev *mddev, sector_t sectors, int raid_disk
        return sectors;
 }
 
-static int run(struct mddev *mddev)
+static int faulty_run(struct mddev *mddev)
 {
        struct md_rdev *rdev;
        int i;
@@ -327,7 +327,7 @@ static int run(struct mddev *mddev)
        md_set_array_sectors(mddev, faulty_size(mddev, 0, 0));
        mddev->private = conf;
 
-       reshape(mddev);
+       faulty_reshape(mddev);
 
        return 0;
 }
@@ -344,11 +344,11 @@ static struct md_personality faulty_personality =
        .name           = "faulty",
        .level          = LEVEL_FAULTY,
        .owner          = THIS_MODULE,
-       .make_request   = make_request,
-       .run            = run,
+       .make_request   = faulty_make_request,
+       .run            = faulty_run,
        .free           = faulty_free,
-       .status         = status,
-       .check_reshape  = reshape,
+       .status         = faulty_status,
+       .check_reshape  = faulty_reshape,
        .size           = faulty_size,
 };
 

diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c
index 0ded8e97751d270dbfdae0aac73a792043f10621..dd97d42458226b4b284b488983e218e01c814889 100644 (file)
--- a/drivers/md/md-cluster.c
+++ b/drivers/md/md-cluster.c
@@ -293,6 +293,7 @@ static void recover_bitmaps(struct md_thread *thread)
 dlm_unlock:
                dlm_unlock_sync(bm_lockres);
 clear_bit:
+               lockres_free(bm_lockres);
                clear_bit(slot, &cinfo->recovery_map);
        }
 }
@@ -682,8 +683,10 @@ static int gather_all_resync_info(struct mddev *mddev, int total_slots)
                bm_lockres = lockres_init(mddev, str, NULL, 1);
                if (!bm_lockres)
                        return -ENOMEM;
-               if (i == (cinfo->slot_number - 1))
+               if (i == (cinfo->slot_number - 1)) {
+                       lockres_free(bm_lockres);
                        continue;
+               }
 
                bm_lockres->flags |= DLM_LKF_NOQUEUE;
                ret = dlm_lock_sync(bm_lockres, DLM_LOCK_PW);
@@ -858,6 +861,7 @@ static int leave(struct mddev *mddev)
        lockres_free(cinfo->token_lockres);
        lockres_free(cinfo->ack_lockres);
        lockres_free(cinfo->no_new_dev_lockres);
+       lockres_free(cinfo->resync_lockres);
        lockres_free(cinfo->bitmap_lockres);
        unlock_all_bitmaps(mddev);
        dlm_release_lockspace(cinfo->lockspace, 2);

diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index c4b9134092260f22939027a0a82945b146a4ebf9..4e3843f7d24592cc596df1fc6d6c4577a9a6f57f 100644 (file)
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1044,7 +1044,7 @@ static void raid1_unplug(struct blk_plug_cb *cb, bool from_schedule)
        kfree(plug);
 }
 
-static void make_request(struct mddev *mddev, struct bio * bio)
+static void raid1_make_request(struct mddev *mddev, struct bio * bio)
 {
        struct r1conf *conf = mddev->private;
        struct raid1_info *mirror;
@@ -1422,7 +1422,7 @@ read_again:
        wake_up(&conf->wait_barrier);
 }
 
-static void status(struct seq_file *seq, struct mddev *mddev)
+static void raid1_status(struct seq_file *seq, struct mddev *mddev)
 {
        struct r1conf *conf = mddev->private;
        int i;
@@ -1439,7 +1439,7 @@ static void status(struct seq_file *seq, struct mddev *mddev)
        seq_printf(seq, "]");
 }
 
-static void error(struct mddev *mddev, struct md_rdev *rdev)
+static void raid1_error(struct mddev *mddev, struct md_rdev *rdev)
 {
        char b[BDEVNAME_SIZE];
        struct r1conf *conf = mddev->private;
@@ -2472,7 +2472,8 @@ static int init_resync(struct r1conf *conf)
  * that can be installed to exclude normal IO requests.
  */
 
-static sector_t sync_request(struct mddev *mddev, sector_t sector_nr, int *skipped)
+static sector_t raid1_sync_request(struct mddev *mddev, sector_t sector_nr,
+                                  int *skipped)
 {
        struct r1conf *conf = mddev->private;
        struct r1bio *r1_bio;
@@ -2890,7 +2891,7 @@ static struct r1conf *setup_conf(struct mddev *mddev)
 }
 
 static void raid1_free(struct mddev *mddev, void *priv);
-static int run(struct mddev *mddev)
+static int raid1_run(struct mddev *mddev)
 {
        struct r1conf *conf;
        int i;
@@ -3170,15 +3171,15 @@ static struct md_personality raid1_personality =
        .name           = "raid1",
        .level          = 1,
        .owner          = THIS_MODULE,
-       .make_request   = make_request,
-       .run            = run,
+       .make_request   = raid1_make_request,
+       .run            = raid1_run,
        .free           = raid1_free,
-       .status         = status,
-       .error_handler  = error,
+       .status         = raid1_status,
+       .error_handler  = raid1_error,
        .hot_add_disk   = raid1_add_disk,
        .hot_remove_disk= raid1_remove_disk,
        .spare_active   = raid1_spare_active,
-       .sync_request   = sync_request,
+       .sync_request   = raid1_sync_request,
        .resize         = raid1_resize,
        .size           = raid1_size,
        .check_reshape  = raid1_reshape,

diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index ce959b4ae4dfd9a09d33828f5706d3a6aadd7f71..1c1447dd3417cd3e27f7c097a004b5e9b17a10d5 100644 (file)
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1442,7 +1442,7 @@ retry_write:
        one_write_done(r10_bio);
 }
 
-static void make_request(struct mddev *mddev, struct bio *bio)
+static void raid10_make_request(struct mddev *mddev, struct bio *bio)
 {
        struct r10conf *conf = mddev->private;
        sector_t chunk_mask = (conf->geo.chunk_mask & conf->prev.chunk_mask);
@@ -1484,7 +1484,7 @@ static void make_request(struct mddev *mddev, struct bio *bio)
        wake_up(&conf->wait_barrier);
 }
 
-static void status(struct seq_file *seq, struct mddev *mddev)
+static void raid10_status(struct seq_file *seq, struct mddev *mddev)
 {
        struct r10conf *conf = mddev->private;
        int i;
@@ -1562,7 +1562,7 @@ static int enough(struct r10conf *conf, int ignore)
                _enough(conf, 1, ignore);
 }
 
-static void error(struct mddev *mddev, struct md_rdev *rdev)
+static void raid10_error(struct mddev *mddev, struct md_rdev *rdev)
 {
        char b[BDEVNAME_SIZE];
        struct r10conf *conf = mddev->private;
@@ -2802,7 +2802,7 @@ static int init_resync(struct r10conf *conf)
  *
  */
 
-static sector_t sync_request(struct mddev *mddev, sector_t sector_nr,
+static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr,
                             int *skipped)
 {
        struct r10conf *conf = mddev->private;
@@ -3523,7 +3523,7 @@ static struct r10conf *setup_conf(struct mddev *mddev)
        return ERR_PTR(err);
 }
 
-static int run(struct mddev *mddev)
+static int raid10_run(struct mddev *mddev)
 {
        struct r10conf *conf;
        int i, disk_idx, chunk_size;
@@ -4617,15 +4617,15 @@ static struct md_personality raid10_personality =
        .name           = "raid10",
        .level          = 10,
        .owner          = THIS_MODULE,
-       .make_request   = make_request,
-       .run            = run,
+       .make_request   = raid10_make_request,
+       .run            = raid10_run,
        .free           = raid10_free,
-       .status         = status,
-       .error_handler  = error,
+       .status         = raid10_status,
+       .error_handler  = raid10_error,
        .hot_add_disk   = raid10_add_disk,
        .hot_remove_disk= raid10_remove_disk,
        .spare_active   = raid10_spare_active,
-       .sync_request   = sync_request,
+       .sync_request   = raid10_sync_request,
        .quiesce        = raid10_quiesce,
        .size           = raid10_size,
        .resize         = raid10_resize,

diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index a086014dcd49915d5dad8b2c57b9bbfa30b39e5c..b4f02c9959f23c1bb5e8feccb2b9bf6e1c59e862 100644 (file)
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -2496,7 +2496,7 @@ static void raid5_build_block(struct stripe_head *sh, int i, int previous)
        dev->sector = raid5_compute_blocknr(sh, i, previous);
 }
 
-static void error(struct mddev *mddev, struct md_rdev *rdev)
+static void raid5_error(struct mddev *mddev, struct md_rdev *rdev)
 {
        char b[BDEVNAME_SIZE];
        struct r5conf *conf = mddev->private;
@@ -2958,7 +2958,7 @@ static int add_stripe_bio(struct stripe_head *sh, struct bio *bi, int dd_idx,
         * If several bio share a stripe. The bio bi_phys_segments acts as a
         * reference count to avoid race. The reference count should already be
         * increased before this function is called (for example, in
-        * make_request()), so other bio sharing this stripe will not free the
+        * raid5_make_request()), so other bio sharing this stripe will not free the
         * stripe. If a stripe is owned by one stripe, the stripe lock will
         * protect it.
         */
@@ -5135,7 +5135,7 @@ static void make_discard_request(struct mddev *mddev, struct bio *bi)
        }
 }
 
-static void make_request(struct mddev *mddev, struct bio * bi)
+static void raid5_make_request(struct mddev *mddev, struct bio * bi)
 {
        struct r5conf *conf = mddev->private;
        int dd_idx;
@@ -5225,7 +5225,7 @@ static void make_request(struct mddev *mddev, struct bio * bi)
                new_sector = raid5_compute_sector(conf, logical_sector,
                                                  previous,
                                                  &dd_idx, NULL);
-               pr_debug("raid456: make_request, sector %llu logical %llu\n",
+               pr_debug("raid456: raid5_make_request, sector %llu logical %llu\n",
                        (unsigned long long)new_sector,
                        (unsigned long long)logical_sector);
 
@@ -5575,7 +5575,8 @@ ret:
        return retn;
 }
 
-static inline sector_t sync_request(struct mddev *mddev, sector_t sector_nr, int *skipped)
+static inline sector_t raid5_sync_request(struct mddev *mddev, sector_t sector_nr,
+                                         int *skipped)
 {
        struct r5conf *conf = mddev->private;
        struct stripe_head *sh;
@@ -6674,7 +6675,7 @@ static int only_parity(int raid_disk, int algo, int raid_disks, int max_degraded
        return 0;
 }
 
-static int run(struct mddev *mddev)
+static int raid5_run(struct mddev *mddev)
 {
        struct r5conf *conf;
        int working_disks = 0;
@@ -7048,7 +7049,7 @@ static void raid5_free(struct mddev *mddev, void *priv)
        mddev->to_remove = &raid5_attrs_group;
 }
 
-static void status(struct seq_file *seq, struct mddev *mddev)
+static void raid5_status(struct seq_file *seq, struct mddev *mddev)
 {
        struct r5conf *conf = mddev->private;
        int i;
@@ -7864,15 +7865,15 @@ static struct md_personality raid6_personality =
        .name           = "raid6",
        .level          = 6,
        .owner          = THIS_MODULE,
-       .make_request   = make_request,
-       .run            = run,
+       .make_request   = raid5_make_request,
+       .run            = raid5_run,
        .free           = raid5_free,
-       .status         = status,
-       .error_handler  = error,
+       .status         = raid5_status,
+       .error_handler  = raid5_error,
        .hot_add_disk   = raid5_add_disk,
        .hot_remove_disk= raid5_remove_disk,
        .spare_active   = raid5_spare_active,
-       .sync_request   = sync_request,
+       .sync_request   = raid5_sync_request,
        .resize         = raid5_resize,
        .size           = raid5_size,
        .check_reshape  = raid6_check_reshape,
@@ -7887,15 +7888,15 @@ static struct md_personality raid5_personality =
        .name           = "raid5",
        .level          = 5,
        .owner          = THIS_MODULE,
-       .make_request   = make_request,
-       .run            = run,
+       .make_request   = raid5_make_request,
+       .run            = raid5_run,
        .free           = raid5_free,
-       .status         = status,
-       .error_handler  = error,
+       .status         = raid5_status,
+       .error_handler  = raid5_error,
        .hot_add_disk   = raid5_add_disk,
        .hot_remove_disk= raid5_remove_disk,
        .spare_active   = raid5_spare_active,
-       .sync_request   = sync_request,
+       .sync_request   = raid5_sync_request,
        .resize         = raid5_resize,
        .size           = raid5_size,
        .check_reshape  = raid5_check_reshape,
@@ -7911,15 +7912,15 @@ static struct md_personality raid4_personality =
        .name           = "raid4",
        .level          = 4,
        .owner          = THIS_MODULE,
-       .make_request   = make_request,
-       .run            = run,
+       .make_request   = raid5_make_request,
+       .run            = raid5_run,
        .free           = raid5_free,
-       .status         = status,
-       .error_handler  = error,
+       .status         = raid5_status,
+       .error_handler  = raid5_error,
        .hot_add_disk   = raid5_add_disk,
        .hot_remove_disk= raid5_remove_disk,
        .spare_active   = raid5_spare_active,
-       .sync_request   = sync_request,
+       .sync_request   = raid5_sync_request,
        .resize         = raid5_resize,
        .size           = raid5_size,
        .check_reshape  = raid5_check_reshape,

diff --git a/include/linux/raid/pq.h b/include/linux/raid/pq.h
index a7a06d1dcf9cb17ee65d1befe1ef6ac62d882d16..a0118d5929a9c9ed17df3b75a8b599472ff1f205 100644 (file)
--- a/include/linux/raid/pq.h
+++ b/include/linux/raid/pq.h
@@ -152,6 +152,8 @@ void raid6_dual_recov(int disks, size_t bytes, int faila, int failb,
 
 # define jiffies       raid6_jiffies()
 # define printk        printf
+# define pr_err(format, ...) fprintf(stderr, format, ## __VA_ARGS__)
+# define pr_info(format, ...) fprintf(stdout, format, ## __VA_ARGS__)
 # define GFP_KERNEL    0
 # define __get_free_pages(x, y)        ((unsigned long)mmap(NULL, PAGE_SIZE << (y), \
                                                     PROT_READ|PROT_WRITE,   \