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md/bitmap: move storage allocation from bitmap_load to bitmap_create. 

We should allocate memory for the storage-bitmap at create-time, not
load time.

Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
NeilBrown 2012-05-22 13:55:12 +10:00
parent d1244cb062
commit bc9891a885
1 changed files with 6 additions and 5 deletions
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11
drivers/md/bitmap.c
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@ -1032,11 +1032,6 @@ static int bitmap_init_from_disk(struct bitmap *bitmap, sector_t start)
goto err;
}
ret = bitmap_storage_alloc(&bitmap->storage, bitmap->chunks,
!bitmap->mddev->bitmap_info.external);
if (ret)
goto err;
oldindex = ~0L;
offset = 0;
if (!bitmap->mddev->bitmap_info.external)
@ -1782,6 +1777,12 @@ int bitmap_create(struct mddev *mddev)
if (!bitmap->bp)
goto error;
if (file || mddev->bitmap_info.offset) {
err = bitmap_storage_alloc(&bitmap->storage, bitmap->chunks,
!mddev->bitmap_info.external);
if (err)
goto error;
}
printk(KERN_INFO "created bitmap (%lu pages) for device %s\n",
pages, bmname(bitmap));