X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fmd%2Fdm-stripe.c;h=51f5e0760012dd76c35d939bb18862a20e2ee435;hb=09c7d8293a2d1317d16ef4ddb9f6dd2553d0694e;hp=697aacafb02aedb3dd68ef3d97deda93a007b9ed;hpb=409761bb6a06bd61e2d8e27a1af534371d9537ed;p=pandora-kernel.git diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c index 697aacafb02a..51f5e0760012 100644 --- a/drivers/md/dm-stripe.c +++ b/drivers/md/dm-stripe.c @@ -12,6 +12,8 @@ #include #include +#define DM_MSG_PREFIX "striped" + struct stripe { struct dm_dev *dev; sector_t physical_start; @@ -49,9 +51,9 @@ static inline struct stripe_c *alloc_context(unsigned int stripes) static int get_stripe(struct dm_target *ti, struct stripe_c *sc, unsigned int stripe, char **argv) { - sector_t start; + unsigned long long start; - if (sscanf(argv[1], SECTOR_FORMAT, &start) != 1) + if (sscanf(argv[1], "%llu", &start) != 1) return -EINVAL; if (dm_get_device(ti, argv[0], start, sc->stripe_width, @@ -78,19 +80,19 @@ static int stripe_ctr(struct dm_target *ti, unsigned int argc, char **argv) unsigned int i; if (argc < 2) { - ti->error = "dm-stripe: Not enough arguments"; + ti->error = "Not enough arguments"; return -EINVAL; } stripes = simple_strtoul(argv[0], &end, 10); if (*end) { - ti->error = "dm-stripe: Invalid stripe count"; + ti->error = "Invalid stripe count"; return -EINVAL; } chunk_size = simple_strtoul(argv[1], &end, 10); if (*end) { - ti->error = "dm-stripe: Invalid chunk_size"; + ti->error = "Invalid chunk_size"; return -EINVAL; } @@ -99,19 +101,19 @@ static int stripe_ctr(struct dm_target *ti, unsigned int argc, char **argv) */ if (!chunk_size || (chunk_size & (chunk_size - 1)) || (chunk_size < (PAGE_SIZE >> SECTOR_SHIFT))) { - ti->error = "dm-stripe: Invalid chunk size"; + ti->error = "Invalid chunk size"; return -EINVAL; } - if (((uint32_t)ti->len) & (chunk_size - 1)) { - ti->error = "dm-stripe: Target length not divisible by " + if (ti->len & (chunk_size - 1)) { + ti->error = "Target length not divisible by " "chunk size"; return -EINVAL; } width = ti->len; if (sector_div(width, stripes)) { - ti->error = "dm-stripe: Target length not divisible by " + ti->error = "Target length not divisible by " "number of stripes"; return -EINVAL; } @@ -120,14 +122,14 @@ static int stripe_ctr(struct dm_target *ti, unsigned int argc, char **argv) * Do we have enough arguments for that many stripes ? */ if (argc != (2 + 2 * stripes)) { - ti->error = "dm-stripe: Not enough destinations " + ti->error = "Not enough destinations " "specified"; return -EINVAL; } sc = alloc_context(stripes); if (!sc) { - ti->error = "dm-stripe: Memory allocation for striped context " + ti->error = "Memory allocation for striped context " "failed"; return -ENOMEM; } @@ -149,8 +151,7 @@ static int stripe_ctr(struct dm_target *ti, unsigned int argc, char **argv) r = get_stripe(ti, sc, i, argv); if (r < 0) { - ti->error = "dm-stripe: Couldn't parse stripe " - "destination"; + ti->error = "Couldn't parse stripe destination"; while (i--) dm_put_device(ti, sc->stripe[i].dev); kfree(sc); @@ -185,7 +186,7 @@ static int stripe_map(struct dm_target *ti, struct bio *bio, bio->bi_bdev = sc->stripe[stripe].dev->bdev; bio->bi_sector = sc->stripe[stripe].physical_start + (chunk << sc->chunk_shift) + (offset & sc->chunk_mask); - return 1; + return DM_MAPIO_REMAPPED; } static int stripe_status(struct dm_target *ti, @@ -201,10 +202,11 @@ static int stripe_status(struct dm_target *ti, break; case STATUSTYPE_TABLE: - DMEMIT("%d " SECTOR_FORMAT, sc->stripes, sc->chunk_mask + 1); + DMEMIT("%d %llu", sc->stripes, + (unsigned long long)sc->chunk_mask + 1); for (i = 0; i < sc->stripes; i++) - DMEMIT(" %s " SECTOR_FORMAT, sc->stripe[i].dev->name, - sc->stripe[i].physical_start); + DMEMIT(" %s %llu", sc->stripe[i].dev->name, + (unsigned long long)sc->stripe[i].physical_start); break; } return 0; @@ -226,7 +228,7 @@ int __init dm_stripe_init(void) r = dm_register_target(&stripe_target); if (r < 0) - DMWARN("striped target registration failed"); + DMWARN("target registration failed"); return r; } @@ -234,7 +236,7 @@ int __init dm_stripe_init(void) void dm_stripe_exit(void) { if (dm_unregister_target(&stripe_target)) - DMWARN("striped target unregistration failed"); + DMWARN("target unregistration failed"); return; }