forked from Minki/linux
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md
Pull MD fix from Shaohua Li: "As you know, Neil steps down from MD. I'm looking after it. Here are some patches queued. A build fix from Gayatri and several trival patches from me" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/shli/md: md-cluster: delete useless code md-cluster: fix missing memory free raid6/algos.c : bug fix : Add the missing definitions to the pq.h file MD: add myself as MD maintainer MD: rename some functions
This commit is contained in:
Linus Torvalds
commit
5787c25240
@ -10154,6 +10154,7 @@ S: Supported
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F: drivers/media/pci/solo6x10/
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SOFTWARE RAID (Multiple Disks) SUPPORT
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M: Shaohua Li <shli@kernel.org>
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L: linux-raid@vger.kernel.org
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T: git git://neil.brown.name/md
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S: Supported
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@ -210,10 +210,6 @@ static int write_sb_page(struct bitmap *bitmap, struct page *page, int wait)
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struct block_device *bdev;
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struct mddev *mddev = bitmap->mddev;
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struct bitmap_storage *store = &bitmap->storage;
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int node_offset = 0;
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if (mddev_is_clustered(bitmap->mddev))
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node_offset = bitmap->cluster_slot * store->file_pages;
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while ((rdev = next_active_rdev(rdev, mddev)) != NULL) {
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int size = PAGE_SIZE;
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@ -170,7 +170,7 @@ static void add_sector(struct faulty_conf *conf, sector_t start, int mode)
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conf->nfaults = n+1;
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}
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static void make_request(struct mddev *mddev, struct bio *bio)
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static void faulty_make_request(struct mddev *mddev, struct bio *bio)
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{
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struct faulty_conf *conf = mddev->private;
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int failit = 0;
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@ -226,7 +226,7 @@ static void make_request(struct mddev *mddev, struct bio *bio)
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generic_make_request(bio);
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}
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static void status(struct seq_file *seq, struct mddev *mddev)
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static void faulty_status(struct seq_file *seq, struct mddev *mddev)
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{
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struct faulty_conf *conf = mddev->private;
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int n;
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@ -259,7 +259,7 @@ static void status(struct seq_file *seq, struct mddev *mddev)
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}
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static int reshape(struct mddev *mddev)
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static int faulty_reshape(struct mddev *mddev)
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{
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int mode = mddev->new_layout & ModeMask;
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int count = mddev->new_layout >> ModeShift;
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@ -299,7 +299,7 @@ static sector_t faulty_size(struct mddev *mddev, sector_t sectors, int raid_disk
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return sectors;
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}
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static int run(struct mddev *mddev)
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static int faulty_run(struct mddev *mddev)
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{
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struct md_rdev *rdev;
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int i;
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@ -327,7 +327,7 @@ static int run(struct mddev *mddev)
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md_set_array_sectors(mddev, faulty_size(mddev, 0, 0));
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mddev->private = conf;
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reshape(mddev);
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faulty_reshape(mddev);
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return 0;
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}
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@ -344,11 +344,11 @@ static struct md_personality faulty_personality =
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.name = "faulty",
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.level = LEVEL_FAULTY,
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.owner = THIS_MODULE,
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.make_request = make_request,
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.run = run,
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.make_request = faulty_make_request,
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.run = faulty_run,
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.free = faulty_free,
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.status = status,
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.check_reshape = reshape,
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.status = faulty_status,
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.check_reshape = faulty_reshape,
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.size = faulty_size,
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};
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@ -293,6 +293,7 @@ static void recover_bitmaps(struct md_thread *thread)
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dlm_unlock:
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dlm_unlock_sync(bm_lockres);
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clear_bit:
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lockres_free(bm_lockres);
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clear_bit(slot, &cinfo->recovery_map);
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}
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}
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@ -682,8 +683,10 @@ static int gather_all_resync_info(struct mddev *mddev, int total_slots)
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bm_lockres = lockres_init(mddev, str, NULL, 1);
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if (!bm_lockres)
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return -ENOMEM;
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if (i == (cinfo->slot_number - 1))
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if (i == (cinfo->slot_number - 1)) {
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lockres_free(bm_lockres);
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continue;
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}
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bm_lockres->flags |= DLM_LKF_NOQUEUE;
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ret = dlm_lock_sync(bm_lockres, DLM_LOCK_PW);
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@ -858,6 +861,7 @@ static int leave(struct mddev *mddev)
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lockres_free(cinfo->token_lockres);
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lockres_free(cinfo->ack_lockres);
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lockres_free(cinfo->no_new_dev_lockres);
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lockres_free(cinfo->resync_lockres);
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lockres_free(cinfo->bitmap_lockres);
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unlock_all_bitmaps(mddev);
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dlm_release_lockspace(cinfo->lockspace, 2);
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@ -1044,7 +1044,7 @@ static void raid1_unplug(struct blk_plug_cb *cb, bool from_schedule)
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kfree(plug);
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}
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static void make_request(struct mddev *mddev, struct bio * bio)
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static void raid1_make_request(struct mddev *mddev, struct bio * bio)
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{
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struct r1conf *conf = mddev->private;
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struct raid1_info *mirror;
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@ -1422,7 +1422,7 @@ read_again:
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wake_up(&conf->wait_barrier);
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}
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static void status(struct seq_file *seq, struct mddev *mddev)
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static void raid1_status(struct seq_file *seq, struct mddev *mddev)
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{
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struct r1conf *conf = mddev->private;
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int i;
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@ -1439,7 +1439,7 @@ static void status(struct seq_file *seq, struct mddev *mddev)
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seq_printf(seq, "]");
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}
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static void error(struct mddev *mddev, struct md_rdev *rdev)
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static void raid1_error(struct mddev *mddev, struct md_rdev *rdev)
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{
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char b[BDEVNAME_SIZE];
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struct r1conf *conf = mddev->private;
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@ -2472,7 +2472,8 @@ static int init_resync(struct r1conf *conf)
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* that can be installed to exclude normal IO requests.
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*/
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static sector_t sync_request(struct mddev *mddev, sector_t sector_nr, int *skipped)
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static sector_t raid1_sync_request(struct mddev *mddev, sector_t sector_nr,
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int *skipped)
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{
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struct r1conf *conf = mddev->private;
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struct r1bio *r1_bio;
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@ -2890,7 +2891,7 @@ static struct r1conf *setup_conf(struct mddev *mddev)
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}
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static void raid1_free(struct mddev *mddev, void *priv);
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static int run(struct mddev *mddev)
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static int raid1_run(struct mddev *mddev)
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{
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struct r1conf *conf;
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int i;
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@ -3170,15 +3171,15 @@ static struct md_personality raid1_personality =
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.name = "raid1",
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.level = 1,
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.owner = THIS_MODULE,
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.make_request = make_request,
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.run = run,
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.make_request = raid1_make_request,
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.run = raid1_run,
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.free = raid1_free,
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.status = status,
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.error_handler = error,
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.status = raid1_status,
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.error_handler = raid1_error,
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.hot_add_disk = raid1_add_disk,
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.hot_remove_disk= raid1_remove_disk,
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.spare_active = raid1_spare_active,
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.sync_request = sync_request,
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.sync_request = raid1_sync_request,
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.resize = raid1_resize,
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.size = raid1_size,
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.check_reshape = raid1_reshape,
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@ -1442,7 +1442,7 @@ retry_write:
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one_write_done(r10_bio);
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}
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static void make_request(struct mddev *mddev, struct bio *bio)
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static void raid10_make_request(struct mddev *mddev, struct bio *bio)
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{
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struct r10conf *conf = mddev->private;
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sector_t chunk_mask = (conf->geo.chunk_mask & conf->prev.chunk_mask);
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@ -1484,7 +1484,7 @@ static void make_request(struct mddev *mddev, struct bio *bio)
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wake_up(&conf->wait_barrier);
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}
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static void status(struct seq_file *seq, struct mddev *mddev)
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static void raid10_status(struct seq_file *seq, struct mddev *mddev)
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{
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struct r10conf *conf = mddev->private;
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int i;
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@ -1562,7 +1562,7 @@ static int enough(struct r10conf *conf, int ignore)
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_enough(conf, 1, ignore);
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}
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static void error(struct mddev *mddev, struct md_rdev *rdev)
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static void raid10_error(struct mddev *mddev, struct md_rdev *rdev)
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{
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char b[BDEVNAME_SIZE];
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struct r10conf *conf = mddev->private;
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@ -2802,7 +2802,7 @@ static int init_resync(struct r10conf *conf)
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*
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*/
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static sector_t sync_request(struct mddev *mddev, sector_t sector_nr,
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static sector_t raid10_sync_request(struct mddev *mddev, sector_t sector_nr,
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int *skipped)
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{
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struct r10conf *conf = mddev->private;
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@ -3523,7 +3523,7 @@ static struct r10conf *setup_conf(struct mddev *mddev)
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return ERR_PTR(err);
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}
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static int run(struct mddev *mddev)
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static int raid10_run(struct mddev *mddev)
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{
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struct r10conf *conf;
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int i, disk_idx, chunk_size;
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@ -4617,15 +4617,15 @@ static struct md_personality raid10_personality =
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.name = "raid10",
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.level = 10,
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.owner = THIS_MODULE,
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.make_request = make_request,
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.run = run,
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.make_request = raid10_make_request,
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.run = raid10_run,
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.free = raid10_free,
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.status = status,
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.error_handler = error,
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.status = raid10_status,
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.error_handler = raid10_error,
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.hot_add_disk = raid10_add_disk,
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.hot_remove_disk= raid10_remove_disk,
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.spare_active = raid10_spare_active,
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.sync_request = sync_request,
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.sync_request = raid10_sync_request,
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.quiesce = raid10_quiesce,
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.size = raid10_size,
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.resize = raid10_resize,
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@ -2496,7 +2496,7 @@ static void raid5_build_block(struct stripe_head *sh, int i, int previous)
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dev->sector = raid5_compute_blocknr(sh, i, previous);
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}
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static void error(struct mddev *mddev, struct md_rdev *rdev)
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static void raid5_error(struct mddev *mddev, struct md_rdev *rdev)
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{
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char b[BDEVNAME_SIZE];
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struct r5conf *conf = mddev->private;
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@ -2958,7 +2958,7 @@ static int add_stripe_bio(struct stripe_head *sh, struct bio *bi, int dd_idx,
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* If several bio share a stripe. The bio bi_phys_segments acts as a
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* reference count to avoid race. The reference count should already be
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* increased before this function is called (for example, in
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* make_request()), so other bio sharing this stripe will not free the
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* raid5_make_request()), so other bio sharing this stripe will not free the
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* stripe. If a stripe is owned by one stripe, the stripe lock will
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* protect it.
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*/
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@ -5135,7 +5135,7 @@ static void make_discard_request(struct mddev *mddev, struct bio *bi)
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}
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}
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static void make_request(struct mddev *mddev, struct bio * bi)
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static void raid5_make_request(struct mddev *mddev, struct bio * bi)
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{
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struct r5conf *conf = mddev->private;
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int dd_idx;
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@ -5225,7 +5225,7 @@ static void make_request(struct mddev *mddev, struct bio * bi)
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new_sector = raid5_compute_sector(conf, logical_sector,
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previous,
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&dd_idx, NULL);
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pr_debug("raid456: make_request, sector %llu logical %llu\n",
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pr_debug("raid456: raid5_make_request, sector %llu logical %llu\n",
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(unsigned long long)new_sector,
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(unsigned long long)logical_sector);
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@ -5575,7 +5575,8 @@ ret:
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return retn;
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}
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static inline sector_t sync_request(struct mddev *mddev, sector_t sector_nr, int *skipped)
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static inline sector_t raid5_sync_request(struct mddev *mddev, sector_t sector_nr,
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int *skipped)
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{
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struct r5conf *conf = mddev->private;
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struct stripe_head *sh;
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@ -6674,7 +6675,7 @@ static int only_parity(int raid_disk, int algo, int raid_disks, int max_degraded
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return 0;
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}
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static int run(struct mddev *mddev)
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static int raid5_run(struct mddev *mddev)
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{
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struct r5conf *conf;
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int working_disks = 0;
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@ -7048,7 +7049,7 @@ static void raid5_free(struct mddev *mddev, void *priv)
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mddev->to_remove = &raid5_attrs_group;
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}
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static void status(struct seq_file *seq, struct mddev *mddev)
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static void raid5_status(struct seq_file *seq, struct mddev *mddev)
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{
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struct r5conf *conf = mddev->private;
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int i;
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@ -7864,15 +7865,15 @@ static struct md_personality raid6_personality =
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.name = "raid6",
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.level = 6,
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.owner = THIS_MODULE,
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.make_request = make_request,
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.run = run,
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.make_request = raid5_make_request,
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.run = raid5_run,
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.free = raid5_free,
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.status = status,
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.error_handler = error,
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.status = raid5_status,
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.error_handler = raid5_error,
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.hot_add_disk = raid5_add_disk,
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.hot_remove_disk= raid5_remove_disk,
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.spare_active = raid5_spare_active,
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.sync_request = sync_request,
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.sync_request = raid5_sync_request,
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.resize = raid5_resize,
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.size = raid5_size,
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.check_reshape = raid6_check_reshape,
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@ -7887,15 +7888,15 @@ static struct md_personality raid5_personality =
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.name = "raid5",
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.level = 5,
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.owner = THIS_MODULE,
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.make_request = make_request,
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.run = run,
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.make_request = raid5_make_request,
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.run = raid5_run,
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.free = raid5_free,
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.status = status,
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.error_handler = error,
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.status = raid5_status,
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.error_handler = raid5_error,
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.hot_add_disk = raid5_add_disk,
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.hot_remove_disk= raid5_remove_disk,
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.spare_active = raid5_spare_active,
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.sync_request = sync_request,
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.sync_request = raid5_sync_request,
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.resize = raid5_resize,
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.size = raid5_size,
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.check_reshape = raid5_check_reshape,
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@ -7911,15 +7912,15 @@ static struct md_personality raid4_personality =
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.name = "raid4",
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.level = 4,
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.owner = THIS_MODULE,
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.make_request = make_request,
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.run = run,
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.make_request = raid5_make_request,
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.run = raid5_run,
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.free = raid5_free,
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.status = status,
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.error_handler = error,
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.status = raid5_status,
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.error_handler = raid5_error,
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.hot_add_disk = raid5_add_disk,
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.hot_remove_disk= raid5_remove_disk,
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.spare_active = raid5_spare_active,
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.sync_request = sync_request,
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.sync_request = raid5_sync_request,
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.resize = raid5_resize,
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.size = raid5_size,
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.check_reshape = raid5_check_reshape,
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@ -152,6 +152,8 @@ void raid6_dual_recov(int disks, size_t bytes, int faila, int failb,
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# define jiffies raid6_jiffies()
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# define printk printf
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# define pr_err(format, ...) fprintf(stderr, format, ## __VA_ARGS__)
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# define pr_info(format, ...) fprintf(stdout, format, ## __VA_ARGS__)
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# define GFP_KERNEL 0
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# define __get_free_pages(x, y) ((unsigned long)mmap(NULL, PAGE_SIZE << (y), \
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PROT_READ|PROT_WRITE, \
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