diff options
| -rw-r--r-- | drivers/md/raid1.c | 94 | ||||
| -rw-r--r-- | drivers/md/raid1.h | 4 |
2 files changed, 48 insertions, 50 deletions
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index f6eabeb2128..e09f59545e9 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -46,8 +46,8 @@ #define NR_RAID1_BIOS 256 -static void allow_barrier(conf_t *conf); -static void lower_barrier(conf_t *conf); +static void allow_barrier(struct r1conf *conf); +static void lower_barrier(struct r1conf *conf); static void * r1bio_pool_alloc(gfp_t gfp_flags, void *data) { @@ -154,7 +154,7 @@ static void r1buf_pool_free(void *__r1_bio, void *data) r1bio_pool_free(r1bio, data); } -static void put_all_bios(conf_t *conf, struct r1bio *r1_bio) +static void put_all_bios(struct r1conf *conf, struct r1bio *r1_bio) { int i; @@ -168,7 +168,7 @@ static void put_all_bios(conf_t *conf, struct r1bio *r1_bio) static void free_r1bio(struct r1bio *r1_bio) { - conf_t *conf = r1_bio->mddev->private; + struct r1conf *conf = r1_bio->mddev->private; put_all_bios(conf, r1_bio); mempool_free(r1_bio, conf->r1bio_pool); @@ -176,7 +176,7 @@ static void free_r1bio(struct r1bio *r1_bio) static void put_buf(struct r1bio *r1_bio) { - conf_t *conf = r1_bio->mddev->private; + struct r1conf *conf = r1_bio->mddev->private; int i; for (i=0; i<conf->raid_disks; i++) { @@ -194,7 +194,7 @@ static void reschedule_retry(struct r1bio *r1_bio) { unsigned long flags; struct mddev *mddev = r1_bio->mddev; - conf_t *conf = mddev->private; + struct r1conf *conf = mddev->private; spin_lock_irqsave(&conf->device_lock, flags); list_add(&r1_bio->retry_list, &conf->retry_list); @@ -214,7 +214,7 @@ static void call_bio_endio(struct r1bio *r1_bio) { struct bio *bio = r1_bio->master_bio; int done; - conf_t *conf = r1_bio->mddev->private; + struct r1conf *conf = r1_bio->mddev->private; if (bio->bi_phys_segments) { unsigned long flags; @@ -259,7 +259,7 @@ static void raid_end_bio_io(struct r1bio *r1_bio) */ static inline void update_head_pos(int disk, struct r1bio *r1_bio) { - conf_t *conf = r1_bio->mddev->private; + struct r1conf *conf = r1_bio->mddev->private; conf->mirrors[disk].head_position = r1_bio->sector + (r1_bio->sectors); @@ -288,7 +288,7 @@ static void raid1_end_read_request(struct bio *bio, int error) int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags); struct r1bio *r1_bio = bio->bi_private; int mirror; - conf_t *conf = r1_bio->mddev->private; + struct r1conf *conf = r1_bio->mddev->private; mirror = r1_bio->read_disk; /* @@ -373,7 +373,7 @@ static void raid1_end_write_request(struct bio *bio, int error) int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags); struct r1bio *r1_bio = bio->bi_private; int mirror, behind = test_bit(R1BIO_BehindIO, &r1_bio->state); - conf_t *conf = r1_bio->mddev->private; + struct r1conf *conf = r1_bio->mddev->private; struct bio *to_put = NULL; mirror = find_bio_disk(r1_bio, bio); @@ -466,7 +466,7 @@ static void raid1_end_write_request(struct bio *bio, int error) * * The rdev for the device selected will have nr_pending incremented. */ -static int read_balance(conf_t *conf, struct r1bio *r1_bio, int *max_sectors) +static int read_balance(struct r1conf *conf, struct r1bio *r1_bio, int *max_sectors) { const sector_t this_sector = r1_bio->sector; int sectors; @@ -595,7 +595,7 @@ static int read_balance(conf_t *conf, struct r1bio *r1_bio, int *max_sectors) int md_raid1_congested(struct mddev *mddev, int bits) { - conf_t *conf = mddev->private; + struct r1conf *conf = mddev->private; int i, ret = 0; rcu_read_lock(); @@ -628,7 +628,7 @@ static int raid1_congested(void *data, int bits) md_raid1_congested(mddev, bits); } -static void flush_pending_writes(conf_t *conf) +static void flush_pending_writes(struct r1conf *conf) { /* Any writes that have been queued but are awaiting * bitmap updates get flushed here. @@ -676,7 +676,7 @@ static void flush_pending_writes(conf_t *conf) */ #define RESYNC_DEPTH 32 -static void raise_barrier(conf_t *conf) +static void raise_barrier(struct r1conf *conf) { spin_lock_irq(&conf->resync_lock); @@ -695,7 +695,7 @@ static void raise_barrier(conf_t *conf) spin_unlock_irq(&conf->resync_lock); } -static void lower_barrier(conf_t *conf) +static void lower_barrier(struct r1conf *conf) { unsigned long flags; BUG_ON(conf->barrier <= 0); @@ -705,7 +705,7 @@ static void lower_barrier(conf_t *conf) wake_up(&conf->wait_barrier); } -static void wait_barrier(conf_t *conf) +static void wait_barrier(struct r1conf *conf) { spin_lock_irq(&conf->resync_lock); if (conf->barrier) { @@ -719,7 +719,7 @@ static void wait_barrier(conf_t *conf) spin_unlock_irq(&conf->resync_lock); } -static void allow_barrier(conf_t *conf) +static void allow_barrier(struct r1conf *conf) { unsigned long flags; spin_lock_irqsave(&conf->resync_lock, flags); @@ -728,7 +728,7 @@ static void allow_barrier(conf_t *conf) wake_up(&conf->wait_barrier); } -static void freeze_array(conf_t *conf) +static void freeze_array(struct r1conf *conf) { /* stop syncio and normal IO and wait for everything to * go quite. @@ -751,7 +751,7 @@ static void freeze_array(conf_t *conf) flush_pending_writes(conf)); spin_unlock_irq(&conf->resync_lock); } -static void unfreeze_array(conf_t *conf) +static void unfreeze_array(struct r1conf *conf) { /* reverse the effect of the freeze */ spin_lock_irq(&conf->resync_lock); @@ -798,7 +798,7 @@ do_sync_io: static int make_request(struct mddev *mddev, struct bio * bio) { - conf_t *conf = mddev->private; + struct r1conf *conf = mddev->private; struct mirror_info *mirror; struct r1bio *r1_bio; struct bio *read_bio; @@ -1140,7 +1140,7 @@ read_again: static void status(struct seq_file *seq, struct mddev *mddev) { - conf_t *conf = mddev->private; + struct r1conf *conf = mddev->private; int i; seq_printf(seq, " [%d/%d] [", conf->raid_disks, @@ -1159,7 +1159,7 @@ static void status(struct seq_file *seq, struct mddev *mddev) static void error(struct mddev *mddev, struct md_rdev *rdev) { char b[BDEVNAME_SIZE]; - conf_t *conf = mddev->private; + struct r1conf *conf = mddev->private; /* * If it is not operational, then we have already marked it as dead @@ -1199,7 +1199,7 @@ static void error(struct mddev *mddev, struct md_rdev *rdev) mdname(mddev), conf->raid_disks - mddev->degraded); } -static void print_conf(conf_t *conf) +static void print_conf(struct r1conf *conf) { int i; @@ -1224,7 +1224,7 @@ static void print_conf(conf_t *conf) rcu_read_unlock(); } -static void close_sync(conf_t *conf) +static void close_sync(struct r1conf *conf) { wait_barrier(conf); allow_barrier(conf); @@ -1236,7 +1236,7 @@ static void close_sync(conf_t *conf) static int raid1_spare_active(struct mddev *mddev) { int i; - conf_t *conf = mddev->private; + struct r1conf *conf = mddev->private; int count = 0; unsigned long flags; @@ -1265,7 +1265,7 @@ static int raid1_spare_active(struct mddev *mddev) static int raid1_add_disk(struct mddev *mddev, struct md_rdev *rdev) { - conf_t *conf = mddev->private; + struct r1conf *conf = mddev->private; int err = -EEXIST; int mirror = 0; struct mirror_info *p; @@ -1313,7 +1313,7 @@ static int raid1_add_disk(struct mddev *mddev, struct md_rdev *rdev) static int raid1_remove_disk(struct mddev *mddev, int number) { - conf_t *conf = mddev->private; + struct r1conf *conf = mddev->private; int err = 0; struct md_rdev *rdev; struct mirror_info *p = conf->mirrors+ number; @@ -1375,7 +1375,7 @@ static void end_sync_write(struct bio *bio, int error) int uptodate = test_bit(BIO_UPTODATE, &bio->bi_flags); struct r1bio *r1_bio = bio->bi_private; struct mddev *mddev = r1_bio->mddev; - conf_t *conf = mddev->private; + struct r1conf *conf = mddev->private; int mirror=0; sector_t first_bad; int bad_sectors; @@ -1447,7 +1447,7 @@ static int fix_sync_read_error(struct r1bio *r1_bio) * will have bi_end_io clear. */ struct mddev *mddev = r1_bio->mddev; - conf_t *conf = mddev->private; + struct r1conf *conf = mddev->private; struct bio *bio = r1_bio->bios[r1_bio->read_disk]; sector_t sect = r1_bio->sector; int sectors = r1_bio->sectors; @@ -1563,7 +1563,7 @@ static int process_checks(struct r1bio *r1_bio) * attempt an over-write */ struct mddev *mddev = r1_bio->mddev; - conf_t *conf = mddev->private; + struct r1conf *conf = mddev->private; int primary; int i; @@ -1637,7 +1637,7 @@ static int process_checks(struct r1bio *r1_bio) static void sync_request_write(struct mddev *mddev, struct r1bio *r1_bio) { - conf_t *conf = mddev->private; + struct r1conf *conf = mddev->private; int i; int disks = conf->raid_disks; struct bio *bio, *wbio; @@ -1687,7 +1687,7 @@ static void sync_request_write(struct mddev *mddev, struct r1bio *r1_bio) * 3. Performs writes following reads for array synchronising. */ -static void fix_read_error(conf_t *conf, int read_disk, +static void fix_read_error(struct r1conf *conf, int read_disk, sector_t sect, int sectors) { struct mddev *mddev = conf->mddev; @@ -1793,7 +1793,7 @@ static int submit_bio_wait(int rw, struct bio *bio) static int narrow_write_error(struct r1bio *r1_bio, int i) { struct mddev *mddev = r1_bio->mddev; - conf_t *conf = mddev->private; + struct r1conf *conf = mddev->private; struct md_rdev *rdev = conf->mirrors[i].rdev; int vcnt, idx; struct bio_vec *vec; @@ -1866,7 +1866,7 @@ static int narrow_write_error(struct r1bio *r1_bio, int i) return ok; } -static void handle_sync_write_finished(conf_t *conf, struct r1bio *r1_bio) +static void handle_sync_write_finished(struct r1conf *conf, struct r1bio *r1_bio) { int m; int s = r1_bio->sectors; @@ -1889,7 +1889,7 @@ static void handle_sync_write_finished(conf_t *conf, struct r1bio *r1_bio) md_done_sync(conf->mddev, s, 1); } -static void handle_write_finished(conf_t *conf, struct r1bio *r1_bio) +static void handle_write_finished(struct r1conf *conf, struct r1bio *r1_bio) { int m; for (m = 0; m < conf->raid_disks ; m++) @@ -1918,7 +1918,7 @@ static void handle_write_finished(conf_t *conf, struct r1bio *r1_bio) raid_end_bio_io(r1_bio); } -static void handle_read_error(conf_t *conf, struct r1bio *r1_bio) +static void handle_read_error(struct r1conf *conf, struct r1bio *r1_bio) { int disk; int max_sectors; @@ -2012,7 +2012,7 @@ static void raid1d(struct mddev *mddev) { struct r1bio *r1_bio; unsigned long flags; - conf_t *conf = mddev->private; + struct r1conf *conf = mddev->private; struct list_head *head = &conf->retry_list; struct blk_plug plug; @@ -2061,7 +2061,7 @@ static void raid1d(struct mddev *mddev) } -static int init_resync(conf_t *conf) +static int init_resync(struct r1conf *conf) { int buffs; @@ -2087,7 +2087,7 @@ static int init_resync(conf_t *conf) static sector_t sync_request(struct mddev *mddev, sector_t sector_nr, int *skipped, int go_faster) { - conf_t *conf = mddev->private; + struct r1conf *conf = mddev->private; struct r1bio *r1_bio; struct bio *bio; sector_t max_sector, nr_sectors; @@ -2365,15 +2365,15 @@ static sector_t raid1_size(struct mddev *mddev, sector_t sectors, int raid_disks return mddev->dev_sectors; } -static conf_t *setup_conf(struct mddev *mddev) +static struct r1conf *setup_conf(struct mddev *mddev) { - conf_t *conf; + struct r1conf *conf; int i; struct mirror_info *disk; struct md_rdev *rdev; int err = -ENOMEM; - conf = kzalloc(sizeof(conf_t), GFP_KERNEL); + conf = kzalloc(sizeof(struct r1conf), GFP_KERNEL); if (!conf) goto abort; @@ -2468,7 +2468,7 @@ static conf_t *setup_conf(struct mddev *mddev) static int run(struct mddev *mddev) { - conf_t *conf; + struct r1conf *conf; int i; struct md_rdev *rdev; @@ -2548,7 +2548,7 @@ static int run(struct mddev *mddev) static int stop(struct mddev *mddev) { - conf_t *conf = mddev->private; + struct r1conf *conf = mddev->private; struct bitmap *bitmap = mddev->bitmap; /* wait for behind writes to complete */ @@ -2613,7 +2613,7 @@ static int raid1_reshape(struct mddev *mddev) mempool_t *newpool, *oldpool; struct pool_info *newpoolinfo; struct mirror_info *newmirrors; - conf_t *conf = mddev->private; + struct r1conf *conf = mddev->private; int cnt, raid_disks; unsigned long flags; int d, d2, err; @@ -2705,7 +2705,7 @@ static int raid1_reshape(struct mddev *mddev) static void raid1_quiesce(struct mddev *mddev, int state) { - conf_t *conf = mddev->private; + struct r1conf *conf = mddev->private; switch(state) { case 2: /* wake for suspend */ @@ -2726,7 +2726,7 @@ static void *raid1_takeover(struct mddev *mddev) * raid5 with 2 devices, any layout or chunk size */ if (mddev->level == 5 && mddev->raid_disks == 2) { - conf_t *conf; + struct r1conf *conf; mddev->new_level = 1; mddev->new_layout = 0; mddev->new_chunk_sectors = 0; diff --git a/drivers/md/raid1.h b/drivers/md/raid1.h index dd5e66a4163..5b16d09817d 100644 --- a/drivers/md/raid1.h +++ b/drivers/md/raid1.h @@ -19,7 +19,7 @@ struct pool_info { int raid_disks; }; -struct r1_private_data_s { +struct r1conf { struct mddev *mddev; struct mirror_info *mirrors; int raid_disks; @@ -90,8 +90,6 @@ struct r1_private_data_s { struct md_thread *thread; }; -typedef struct r1_private_data_s conf_t; - /* * this is our 'private' RAID1 bio. * |