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ext4: use variables not types in sizeofs() for allocations 

Precursor to changing some types; to keep things in sync, it 
seems better to allocate/memset based on the size of the 
variables we are using rather than on some disconnected 
basic type like "unsigned short"

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
This commit is contained in:
Eric Sandeen 2009-08-25 22:36:25 -04:00 committed by Theodore Ts'o
parent a8526e84ac
commit 1927805e65
1 changed files with 4 additions and 3 deletions
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7
fs/ext4/mballoc.c
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@ -868,7 +868,8 @@ static int ext4_mb_init_cache(struct page *page, char *incore)
grinfo = ext4_get_group_info(sb, group); grinfo = ext4_get_group_info(sb, group);
grinfo->bb_fragments = 0; grinfo->bb_fragments = 0;
memset(grinfo->bb_counters, 0, memset(grinfo->bb_counters, 0,
sizeof(unsigned short)*(sb->s_blocksize_bits+2)); sizeof(*grinfo->bb_counters) *
(sb->s_blocksize_bits+2));
/* /*
* incore got set to the group block bitmap below * incore got set to the group block bitmap below
*/ */
@ -2640,14 +2641,14 @@ int ext4_mb_init(struct super_block *sb, int needs_recovery)
unsigned max; unsigned max;
int ret; int ret;
i = (sb->s_blocksize_bits + 2) * sizeof(unsigned short); i = (sb->s_blocksize_bits + 2) * sizeof(*sbi->s_mb_offsets);
sbi->s_mb_offsets = kmalloc(i, GFP_KERNEL); sbi->s_mb_offsets = kmalloc(i, GFP_KERNEL);
if (sbi->s_mb_offsets == NULL) { if (sbi->s_mb_offsets == NULL) {
return -ENOMEM; return -ENOMEM;
} }
i = (sb->s_blocksize_bits + 2) * sizeof(unsigned int); i = (sb->s_blocksize_bits + 2) * sizeof(*sbi->s_mb_maxs);
sbi->s_mb_maxs = kmalloc(i, GFP_KERNEL); sbi->s_mb_maxs = kmalloc(i, GFP_KERNEL);
if (sbi->s_mb_maxs == NULL) { if (sbi->s_mb_maxs == NULL) {
kfree(sbi->s_mb_offsets); kfree(sbi->s_mb_offsets);