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qemu/block
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Ronnie Sahlberg 135b908878 iscsi: Set number of blocks to 0 for blank CDROM devices 
The number of blocks of the device is used to compute the device size
in bdrv_getlength()/iscsi_getlength().
For MMC devices, the ReturnedLogicalBlockAddress in the READCAPACITY10
has a special meaning when it is 0.
In this case it does not mean that LBA 0 is the last accessible LBA,
and thus the device has 1 readable block, but instead it means that the
disc is blank and there are no readable blocks.

This change ensures that when the iSCSI LUN is loaded with a blank
DVD-R disk or similar that bdrv_getlength() will return the correct
size of the device as 0 bytes.

Signed-off-by: Ronnie Sahlberg <ronniesahlberg@gmail.com>
2012-08-28 14:50:08 +02:00
..
blkdebug.c blkdebug: optionally tie errors to a specific sector 2012-07-09 15:53:02 +02:00
blkverify.c block: replace unchecked strdup/malloc/calloc with glib 2012-01-26 11:39:03 +01:00
bochs.c block: take lock around bdrv_read implementations 2011-10-21 17:34:14 +02:00
cloop.c block/cloop: Use g_free instead of free 2011-11-04 14:24:12 +01:00
cow.c block: Fix spelling in comment (ineffcient -> inefficient) 2012-04-19 15:48:52 +02:00
curl.c allow qemu_iovec_from_buffer() to specify offset from which to start copying 2012-06-11 23:12:11 +04:00
dmg.c block: take lock around bdrv_read implementations 2011-10-21 17:34:14 +02:00
iscsi.c iscsi: Set number of blocks to 0 for blank CDROM devices 2012-08-28 14:50:08 +02:00
Makefile.objs build: move block/ objects to nested Makefile.objs 2012-06-07 09:21:13 +02:00
nbd.c cleanup qemu_co_sendv(), qemu_co_recvv() and friends 2012-06-11 23:12:11 +04:00
parallels.c block: take lock around bdrv_read implementations 2011-10-21 17:34:14 +02:00
qcow2-cache.c qcow2: always operate caches in writeback mode 2012-06-15 14:03:43 +02:00
qcow2-cluster.c qcow2: implement lazy refcounts 2012-08-06 22:39:14 +02:00
qcow2-refcount.c qcow2: preserve free_byte_offset when qcow2_alloc_bytes() fails 2012-07-09 15:53:01 +02:00
qcow2-snapshot.c qcow2: fix #ifdef'd qcow2_check_refcounts() callers 2012-07-09 15:53:01 +02:00
qcow2.c block: add BLOCK_O_CHECK for qemu-img check 2012-08-10 10:25:12 +02:00
qcow2.h qcow2: implement lazy refcounts 2012-08-06 22:39:14 +02:00
qcow.c change qemu_iovec_to_buf() to match other to,from_buf functions 2012-06-11 23:12:11 +04:00
qed-check.c qed: mark image clean after repair succeeds 2012-08-10 10:25:12 +02:00
qed-cluster.c Use glib memory allocation and free functions 2011-08-20 23:01:08 -05:00
qed-gencb.c Use glib memory allocation and free functions 2011-08-20 23:01:08 -05:00
qed-l2-cache.c qed: do not evict in-use L2 table cache entries 2012-03-12 15:14:06 +01:00
qed-table.c block: bdrv_aio_* do not return NULL 2011-12-15 12:40:07 +01:00
qed.c block: add BLOCK_O_CHECK for qemu-img check 2012-08-10 10:25:12 +02:00
qed.h qed: mark image clean after repair succeeds 2012-08-10 10:25:12 +02:00
raw-posix-aio.h prepare for future GPLv2+ relicensing 2012-01-13 10:55:56 -06:00
raw-posix.c block: Convert close calls to qemu_close 2012-08-15 10:48:57 +02:00
raw-win32.c block: Convert close calls to qemu_close 2012-08-15 10:48:57 +02:00
raw.c raw: hook into blkdebug 2012-07-09 15:53:02 +02:00
rbd.c Merge remote-tracking branch 'mjt/mjt-iov2' into staging 2012-07-09 12:35:06 -05:00
sheepdog.c sheepdog: don't leak socket file descriptor upon connection failure 2012-08-22 10:47:14 -05:00
stream.c stream: move rate limiting to a separate header file 2012-06-15 14:03:42 +02:00
vdi.c block: Convert open calls to qemu_open 2012-08-15 10:48:57 +02:00
vmdk.c vmdk: Read footer for streamOptimized images 2012-08-17 13:27:02 +02:00
vpc.c block: Convert close calls to qemu_close 2012-08-15 10:48:57 +02:00
vvfat.c block: Convert close calls to qemu_close 2012-08-15 10:48:57 +02:00