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List: linux-lvm
Subject: [linux-lvm] dm patches for 2.5.50
From: Joe Thornber <joe () fib011235813 ! fsnet ! co ! uk>
Date: 2002-11-28 12:04:36
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Latest dm patches for 2.5.50 are available here:
http://people.sistina.com/~thornber/patches/2.5-stable/2.5.50/
- Joe
Revision 1:
Four constants:
DM_DIR,
DM_MAX_TYPE_NAME,
DM_NAME_LEN,
DM_UUID_LEN
Were being declared in device-mapper.h, these are all specific to
the ioctl interface, so they've been moved to dm-ioctl.h. Nobody
in userland should ever include <linux/device-mapper.h> so remove
ifdef __KERNEL guards.
Revision 2:
Joe,
I believe Steve and I found a bug in dm-table.c. The function open_dev()
has the wrong check after the call to blkdev_get(). Thus, if the
blkdev_get() call succeeds, bd_claim() is never called. Futhermore, if
blkdev_get() fails (for instance, if you try to create a target to a
non-existent device), bd_claim() will fail, and blkdev_put() may segfault.
--
Kevin Corry
corryk@us.ibm.com
http://evms.sourceforge.net/
==============================
Revision 3:
Return -ENOTBLK if lookup_device() finds the inode, but it
is not a block device. [Cristoph Hellwig]
Revision 4:
No need to validate the parameters if we are doing a
REMOVE_ALL command.
Revision 5:
check_device_area was comparing the bytes with sectors.
[Stefan Lauterbach]
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