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md/raid1: typedef removal: conf_t -> struct r1conf

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Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
NeilBrown 2011-10-11 16:49:05 +11:00
parent e879a8793f
commit e809636047
2 changed files with 48 additions and 50 deletions
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94
drivers/md/raid1.c
View File

@ -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;

4
drivers/md/raid1.h
View File

@ -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.
*