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| author | Christoph Hellwig <hch@lst.de> | 2021-06-24 14:32:40 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-06-24 12:01:06 -0600 |
| commit | 0384264ea8a39bd98c9a3158060565f650c056a6 (patch) | |
| tree | 535a4cea87e63f71d92ff186525094781529a3af /block/partitions/core.c | |
| parent | 630161cfdf5cdc696a82b59410d1ff00b23d946e (diff) | |
| download | lwn-0384264ea8a39bd98c9a3158060565f650c056a6.tar.gz lwn-0384264ea8a39bd98c9a3158060565f650c056a6.zip | |
block: pass a gendisk to bdev_disk_changed
bdev_disk_changed can only operate on whole devices. Make that clear
by passing a gendisk instead of the struct block_device.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20210624123240.441814-3-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/partitions/core.c')
| -rw-r--r-- | block/partitions/core.c | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/block/partitions/core.c b/block/partitions/core.c index b79785f7027c..347c56a51d87 100644 --- a/block/partitions/core.c +++ b/block/partitions/core.c @@ -120,8 +120,7 @@ static void free_partitions(struct parsed_partitions *state) kfree(state); } -static struct parsed_partitions *check_partition(struct gendisk *hd, - struct block_device *bdev) +static struct parsed_partitions *check_partition(struct gendisk *hd) { struct parsed_partitions *state; int i, res, err; @@ -136,7 +135,7 @@ static struct parsed_partitions *check_partition(struct gendisk *hd, } state->pp_buf[0] = '\0'; - state->bdev = bdev; + state->bdev = hd->part0; disk_name(hd, 0, state->name); snprintf(state->pp_buf, PAGE_SIZE, " %s:", state->name); if (isdigit(state->name[strlen(state->name)-1])) @@ -546,7 +545,7 @@ void blk_drop_partitions(struct gendisk *disk) } } -static bool blk_add_partition(struct gendisk *disk, struct block_device *bdev, +static bool blk_add_partition(struct gendisk *disk, struct parsed_partitions *state, int p) { sector_t size = state->parts[p].size; @@ -596,7 +595,7 @@ static bool blk_add_partition(struct gendisk *disk, struct block_device *bdev, return true; } -static int blk_add_partitions(struct gendisk *disk, struct block_device *bdev) +static int blk_add_partitions(struct gendisk *disk) { struct parsed_partitions *state; int ret = -EAGAIN, p; @@ -604,7 +603,7 @@ static int blk_add_partitions(struct gendisk *disk, struct block_device *bdev) if (!disk_part_scan_enabled(disk)) return 0; - state = check_partition(disk, bdev); + state = check_partition(disk); if (!state) return 0; if (IS_ERR(state)) { @@ -648,7 +647,7 @@ static int blk_add_partitions(struct gendisk *disk, struct block_device *bdev) kobject_uevent(&disk_to_dev(disk)->kobj, KOBJ_CHANGE); for (p = 1; p < state->limit; p++) - if (!blk_add_partition(disk, bdev, state, p)) + if (!blk_add_partition(disk, state, p)) goto out_free_state; ret = 0; @@ -657,9 +656,8 @@ out_free_state: return ret; } -int bdev_disk_changed(struct block_device *bdev, bool invalidate) +int bdev_disk_changed(struct gendisk *disk, bool invalidate) { - struct gendisk *disk = bdev->bd_disk; int ret = 0; lockdep_assert_held(&disk->open_mutex); @@ -670,8 +668,8 @@ int bdev_disk_changed(struct block_device *bdev, bool invalidate) rescan: if (disk->open_partitions) return -EBUSY; - sync_blockdev(bdev); - invalidate_bdev(bdev); + sync_blockdev(disk->part0); + invalidate_bdev(disk->part0); blk_drop_partitions(disk); clear_bit(GD_NEED_PART_SCAN, &disk->state); @@ -691,7 +689,7 @@ rescan: } if (get_capacity(disk)) { - ret = blk_add_partitions(disk, bdev); + ret = blk_add_partitions(disk); if (ret == -EAGAIN) goto rescan; } else if (invalidate) { |