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Date: Thu, 09 Apr 2009 11:03:29 +0100
From: Jack Stone <jwjstone@...tmail.fm>
To: linux-kernel@...r.kernel.org
CC: jeff@...zik.org, kernel-janitors@...r.kernel.org, neilb@...e.de
Subject: Re: [PATCH 21/56] md: Remove void casts
[Added maintainer CC]
Jack Stone wrote:
> Remove uneeded void casts
>
> Signed-Off-By: Jack Stone <jwjstone@...tmail.fm>
> ---
> drivers/md/bitmap.c | 8 ++++----
> drivers/md/dm-table.c | 4 ++--
> drivers/md/md.c | 19 +++++++++----------
> 3 files changed, 15 insertions(+), 16 deletions(-)
>
> diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
> index f8a9f7a..2a11c90 100644
> --- a/drivers/md/bitmap.c
> +++ b/drivers/md/bitmap.c
> @@ -493,7 +493,7 @@ void bitmap_update_sb(struct bitmap *bitmap)
> return;
> }
> spin_unlock_irqrestore(&bitmap->lock, flags);
> - sb = (bitmap_super_t *)kmap_atomic(bitmap->sb_page, KM_USER0);
> + sb = kmap_atomic(bitmap->sb_page, KM_USER0);
> sb->events = cpu_to_le64(bitmap->mddev->events);
> if (bitmap->mddev->events < bitmap->events_cleared) {
> /* rocking back to read-only */
> @@ -511,7 +511,7 @@ void bitmap_print_sb(struct bitmap *bitmap)
>
> if (!bitmap || !bitmap->sb_page)
> return;
> - sb = (bitmap_super_t *)kmap_atomic(bitmap->sb_page, KM_USER0);
> + sb = kmap_atomic(bitmap->sb_page, KM_USER0);
> printk(KERN_DEBUG "%s: bitmap file superblock:\n", bmname(bitmap));
> printk(KERN_DEBUG " magic: %08x\n", le32_to_cpu(sb->magic));
> printk(KERN_DEBUG " version: %d\n", le32_to_cpu(sb->version));
> @@ -559,7 +559,7 @@ static int bitmap_read_sb(struct bitmap *bitmap)
> return err;
> }
>
> - sb = (bitmap_super_t *)kmap_atomic(bitmap->sb_page, KM_USER0);
> + sb = kmap_atomic(bitmap->sb_page, KM_USER0);
>
> chunksize = le32_to_cpu(sb->chunksize);
> daemon_sleep = le32_to_cpu(sb->daemon_sleep);
> @@ -646,7 +646,7 @@ static int bitmap_mask_state(struct bitmap *bitmap, enum bitmap_state bits,
> return 0;
> }
> spin_unlock_irqrestore(&bitmap->lock, flags);
> - sb = (bitmap_super_t *)kmap_atomic(bitmap->sb_page, KM_USER0);
> + sb = kmap_atomic(bitmap->sb_page, KM_USER0);
> old = le32_to_cpu(sb->state) & bits;
> switch (op) {
> case MASK_SET: sb->state |= cpu_to_le32(bits);
> diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
> index e8361b1..6e57fe2 100644
> --- a/drivers/md/dm-table.c
> +++ b/drivers/md/dm-table.c
> @@ -211,7 +211,7 @@ static int alloc_targets(struct dm_table *t, unsigned int num)
> * Append an empty entry to catch sectors beyond the end of
> * the device.
> */
> - n_highs = (sector_t *) dm_vcalloc(num + 1, sizeof(struct dm_target) +
> + n_highs = dm_vcalloc(num + 1, sizeof(struct dm_target) +
> sizeof(sector_t));
> if (!n_highs)
> return -ENOMEM;
> @@ -775,7 +775,7 @@ static int setup_indexes(struct dm_table *t)
> total += t->counts[i];
> }
>
> - indexes = (sector_t *) dm_vcalloc(total, (unsigned long) NODE_SIZE);
> + indexes = dm_vcalloc(total, (unsigned long) NODE_SIZE);
> if (!indexes)
> return -ENOMEM;
>
> diff --git a/drivers/md/md.c b/drivers/md/md.c
> index ed5727c..22cd6b3 100644
> --- a/drivers/md/md.c
> +++ b/drivers/md/md.c
> @@ -767,7 +767,7 @@ static int super_90_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev, int minor_version
> ret = -EINVAL;
>
> bdevname(rdev->bdev, b);
> - sb = (mdp_super_t*)page_address(rdev->sb_page);
> + sb = page_address(rdev->sb_page);
>
> if (sb->md_magic != MD_SB_MAGIC) {
> printk(KERN_ERR "md: invalid raid superblock magic on %s\n",
> @@ -817,7 +817,7 @@ static int super_90_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev, int minor_version
> ret = 1;
> } else {
> __u64 ev1, ev2;
> - mdp_super_t *refsb = (mdp_super_t*)page_address(refdev->sb_page);
> + mdp_super_t *refsb = page_address(refdev->sb_page);
> if (!uuid_equal(refsb, sb)) {
> printk(KERN_WARNING "md: %s has different UUID to %s\n",
> b, bdevname(refdev->bdev,b2));
> @@ -852,7 +852,7 @@ static int super_90_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev, int minor_version
> static int super_90_validate(mddev_t *mddev, mdk_rdev_t *rdev)
> {
> mdp_disk_t *desc;
> - mdp_super_t *sb = (mdp_super_t *)page_address(rdev->sb_page);
> + mdp_super_t *sb = page_address(rdev->sb_page);
> __u64 ev1 = md_event(sb);
>
> rdev->raid_disk = -1;
> @@ -972,7 +972,7 @@ static void super_90_sync(mddev_t *mddev, mdk_rdev_t *rdev)
>
> rdev->sb_size = MD_SB_BYTES;
>
> - sb = (mdp_super_t*)page_address(rdev->sb_page);
> + sb = page_address(rdev->sb_page);
>
> memset(sb, 0, sizeof(*sb));
>
> @@ -1166,7 +1166,7 @@ static int super_1_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev, int minor_version)
> if (ret) return ret;
>
>
> - sb = (struct mdp_superblock_1*)page_address(rdev->sb_page);
> + sb = page_address(rdev->sb_page);
>
> if (sb->magic != cpu_to_le32(MD_SB_MAGIC) ||
> sb->major_version != cpu_to_le32(1) ||
> @@ -1219,8 +1219,7 @@ static int super_1_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev, int minor_version)
> ret = 1;
> } else {
> __u64 ev1, ev2;
> - struct mdp_superblock_1 *refsb =
> - (struct mdp_superblock_1*)page_address(refdev->sb_page);
> + struct mdp_superblock_1 *refsb = page_address(refdev->sb_page);
>
> if (memcmp(sb->set_uuid, refsb->set_uuid, 16) != 0 ||
> sb->level != refsb->level ||
> @@ -1258,7 +1257,7 @@ static int super_1_load(mdk_rdev_t *rdev, mdk_rdev_t *refdev, int minor_version)
>
> static int super_1_validate(mddev_t *mddev, mdk_rdev_t *rdev)
> {
> - struct mdp_superblock_1 *sb = (struct mdp_superblock_1*)page_address(rdev->sb_page);
> + struct mdp_superblock_1 *sb = page_address(rdev->sb_page);
> __u64 ev1 = le64_to_cpu(sb->events);
>
> rdev->raid_disk = -1;
> @@ -1355,7 +1354,7 @@ static void super_1_sync(mddev_t *mddev, mdk_rdev_t *rdev)
> int max_dev, i;
> /* make rdev->sb match mddev and rdev data. */
>
> - sb = (struct mdp_superblock_1*)page_address(rdev->sb_page);
> + sb = page_address(rdev->sb_page);
>
> sb->feature_map = 0;
> sb->pad0 = 0;
> @@ -1453,7 +1452,7 @@ super_1_rdev_size_change(mdk_rdev_t *rdev, sector_t num_sectors)
> num_sectors = max_sectors;
> rdev->sb_start = sb_start;
> }
> - sb = (struct mdp_superblock_1 *) page_address(rdev->sb_page);
> + sb = page_address(rdev->sb_page);
> sb->data_size = cpu_to_le64(num_sectors);
> sb->super_offset = rdev->sb_start;
> sb->sb_csum = calc_sb_1_csum(sb);
>
--
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