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Subject: bitmap: used 4K aligned buffers when reading the bitmap. 

This is needed on 4K block devices such as DASD as we do O_DIRECT
reads.

Do the same alignment for gpt just to be safe.

Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
NeilBrown 2011-12-23 14:09:29 +11:00
parent adbb382b55
commit a7322ae12f
2 changed files with 2 additions and 2 deletions
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2
bitmap.c
View File

@ -132,7 +132,7 @@ bitmap_info_t *bitmap_fd_read(int fd, int brief)
void *buf;
unsigned int n, skip;
if (posix_memalign(&buf, 512, 8192) != 0) {
if (posix_memalign(&buf, 4096, 8192) != 0) {
fprintf(stderr, Name ": failed to allocate 8192 bytes\n");
return NULL;
}

2
super-gpt.c
View File

@ -76,7 +76,7 @@ static int load_gpt(struct supertype *st, int fd, char *devname)
free_gpt(st);
if (posix_memalign((void**)&super, 512, 32*512) != 0) {
if (posix_memalign((void**)&super, 4096, 32*512) != 0) {
fprintf(stderr, Name ": %s could not allocate superblock\n",
__func__);
return 1;