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libminixfs: allow non-page-multiple blocksizes

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. this is OK (although it wastes some memory) as
	  long as the VM interface isn't used, which has its
	  own checks in libsys

Change-Id: I28decd367b2cd5c01482bdc71615c65ab61c9a71
This commit is contained in:
LiQiong Lee 2013-08-07 18:09:41 +08:00 committed by Gerrit Code Review
parent 6e5a113837
commit f0d27a9570
1 changed files with 0 additions and 2 deletions
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2
lib/libminixfs/cache.c
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@ -163,7 +163,6 @@ lmfs_alloc_block(struct buf *bp)
{
ASSERT(!bp->data);
ASSERT(bp->lmfs_bytes == 0);
ASSERT(!(fs_block_size % PAGE_SIZE));
if((bp->data = minix_mmap(0, fs_block_size,
PROT_READ|PROT_WRITE, MAP_PREALLOC|MAP_ANON, -1, 0)) == MAP_FAILED) {
free_unused_blocks();
@ -510,7 +509,6 @@ register struct buf *bp; /* buffer pointer */
ASSERT(bp->lmfs_bytes == fs_block_size);
ASSERT(fs_block_size > 0);
ASSERT(!(fs_block_size % PAGE_SIZE));
pos = mul64u(bp->lmfs_blocknr, fs_block_size);
if(fs_block_size > PAGE_SIZE) {