Messages in this thread Patch in this message | | | Date | Sun, 06 Jul 2003 17:20:01 -0400 | From | Paul Clements <> | Subject | [PATCH 2.5.74-mm2] nbd: make nbd and block layer agree about device and block sizes |
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Andrew,
here's the revised patch for block and device size changes, using set_blocksize() as Jeff suggested
Thanks, Paul--- linux-2.5.74-mm2/drivers/block/nbd.c.MINUS_OPEN_RELEASE 2003-07-06 16:55:22.224389840 -0400 +++ linux-2.5.74-mm2/drivers/block/nbd.c 2003-07-06 16:50:46.287338648 -0400 @@ -588,18 +588,22 @@ static int nbd_ioctl(struct inode *inode } return error; case NBD_SET_BLKSIZE: - if ((arg & (arg-1)) || (arg < 512) || (arg > PAGE_SIZE)) - return -EINVAL; lo->blksize = arg; - lo->bytesize &= ~(lo->blksize-1); + lo->bytesize &= ~(lo->blksize-1); + inode->i_bdev->bd_inode->i_size = lo->bytesize; + set_blocksize(inode->i_bdev, lo->blksize); set_capacity(lo->disk, lo->bytesize >> 9); return 0; case NBD_SET_SIZE: - lo->bytesize = arg & ~(lo->blksize-1); + lo->bytesize = arg & ~(lo->blksize-1); + inode->i_bdev->bd_inode->i_size = lo->bytesize; + set_blocksize(inode->i_bdev, lo->blksize); set_capacity(lo->disk, lo->bytesize >> 9); return 0; case NBD_SET_SIZE_BLOCKS: lo->bytesize = ((u64) arg) * lo->blksize; + inode->i_bdev->bd_inode->i_size = lo->bytesize; + set_blocksize(inode->i_bdev, lo->blksize); set_capacity(lo->disk, lo->bytesize >> 9); return 0; case NBD_DO_IT: | |