Eric Farman 482652502e block: Fix target variable of BLKSECTGET ioctl ... Commit 6f6071745b ("raw-posix: Fetch max sectors for host block device") introduced a routine to call the kernel BLKSECTGET ioctl, which stores the result back to user space. However, the size of the data returned depends on the routine handling the ioctl. The (compat_)blkdev_ioctl returns a short, while sg_ioctl returns an int. Thus, on big-endian systems, we can find ourselves accidentally shifting the result to a much larger value. (On s390x, a short is 16 bits while an int is 32 bits.) Also, the two ioctl handlers return values in different scales (block returns sectors, while sg returns bytes), so some tweaking of the outputs is required such that hdev_get_max_transfer_length returns a value in a consistent set of units. Signed-off-by: Eric Farman <farman@linux.vnet.ibm.com> Message-Id: <20170120162527.66075-3-farman@linux.vnet.ibm.com> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>		2017-01-27 18:07:31 +01:00
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accounting.h	Use scripts/clean-includes to drop redundant qemu/typedefs.h	2016-03-22 22:20:16 +01:00
aio.h	aio: document locking	2017-01-16 13:25:18 +00:00
block.h	block: Fix target variable of BLKSECTGET ioctl	2017-01-27 18:07:31 +01:00
block_backup.h	Backup: export interfaces for extra serialization	2016-09-13 11:00:56 +01:00
block_int.h	block: get rid of bdrv_io_unplugged_begin/end	2017-01-16 13:25:17 +00:00
blockjob.h	blockjob: add block_job_start	2016-11-14 22:47:34 -05:00
blockjob_int.h	blockjob: add .start field	2016-11-14 22:47:34 -05:00
dirty-bitmap.h	block: More operations for meta dirty bitmap	2016-10-24 17:56:07 +02:00
nbd.h	nbd: Implement NBD_CMD_WRITE_ZEROES on server	2016-11-02 09:28:56 +01:00
qapi.h	block/qapi: Use blk_enable_write_cache()	2016-03-30 12:16:02 +02:00
raw-aio.h	linux-aio: share one LinuxAioState within an AioContext	2016-07-18 15:09:31 +01:00
scsi.h	* SCSI scanner support	2016-07-14 13:44:06 +01:00
snapshot.h	include: Clean up includes	2016-02-23 12:43:05 +00:00
thread-pool.h	Clean up decorations and whitespace around header guards	2016-07-12 16:20:46 +02:00
throttle-groups.h	block: Move I/O throttling configuration functions to BlockBackend	2016-05-19 16:45:30 +02:00
write-threshold.h	Use scripts/clean-includes to drop redundant qemu/typedefs.h	2016-03-22 22:20:16 +01:00