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2010-04-23Replace calls of old bdrv_openKevin Wolf1-1/+1
What is known today as bdrv_open2 becomes the new bdrv_open. All remaining callers of the old function are converted to the new one. In some places they even know the right format, so they should have used bdrv_open2 from the beginning. Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2010-03-27qemu-nbd: Fix invalid usage of the first argument of errxRyota Ozaki1-17/+17
errx takes the exit status of a process as the first argument. Passing errno to it is wrong. Instead the patch lets errx take EXIT_FAILURE. Signed-off-by: Ryota Ozaki <ozaki.ryota@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-03-27qemu-nbd: Fix return value handling of bdrv_openRyota Ozaki1-1/+1
bdrv_open may return -errno so we have to check if the return value is '< 0', not '== -1'. Signed-off-by: Ryota Ozaki <ozaki.ryota@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2010-03-17read-only: minor cleanupNaphtali Sprei1-0/+1
Really use read-only flags for opening the file when asked for read-only Signed-off-by: Naphtali Sprei <nsprei@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-26win32: pair qemu_memalign() with qemu_vfree()Herve Poussineau1-1/+1
Win32 suffers from a very big memory leak when dealing with SCSI devices. Each read/write request allocates memory with qemu_memalign (ie VirtualAlloc) but frees it with qemu_free (ie free). Pair all qemu_memalign() calls with qemu_vfree() to prevent such leaks. Signed-off-by: Herve Poussineau <hpoussin@reactos.org> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-01-20Clean-up a little bit the RW related bits of BDRV_O_FLAGS. BDRV_O_RDONLY ↵Naphtali Sprei1-1/+1
gone (and so is BDRV_O_ACCESS). Default value for bdrv_flags (0/zero) is READ-ONLY. Need to explicitly request READ-WRITE. Instead of using the field 'readonly' of the BlockDriverState struct for passing the request, pass the request in the flags parameter to the function. Signed-off-by: Naphtali Sprei <nsprei@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-12-23qemu-nbd: fix OpenBSD linker warningBlue Swirl1-1/+2
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2009-12-23Compile qemu-nbd also on OpenBSD and SolarisBlue Swirl1-0/+1
basename() needs #include <libgen.h>. No prototype for daemon() is available on Solaris, but link succeeds. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2009-07-31Fix Sparse warnings: "Using plain integer as NULL pointer"Blue Swirl1-16/+16
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2009-07-16Update to a hopefully more future proof FSF addressBlue Swirl1-2/+1
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2009-06-15Fix warning in qemu-nbd.cAnthony Liguori1-2/+6
qemu-nbd.c:349: error: ignoring return value of 'daemon', declared with attribute warn_unused_result Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-02-05toplevel: remove error handling from qemu_malloc() callers (Avi Kivity)aliguori1-2/+0
Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6531 c046a42c-6fe2-441c-8c8c-71466251a162
2009-01-08qemu-nbd: fix options: -b (--bind) expects an argument (IFACE) (Uri Lublin)aliguori1-1/+1
Rebased for qemu tree. Signed-off-by: Uri Lublin <uril@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6246 c046a42c-6fe2-441c-8c8c-71466251a162
2009-01-04Update FSF address in GPL/LGPL boilerplateaurel321-1/+1
The attached patch updates the FSF address in the GPL/LGPL boilerplate in most GPL/LGPLed files, and also in COPYING.LIB. Signed-off-by: Stuart Brady <stuart.brady@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6162 c046a42c-6fe2-441c-8c8c-71466251a162
2008-10-26Fix undeclared symbol warnings from sparseblueswir11-1/+1
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5539 c046a42c-6fe2-441c-8c8c-71466251a162
2008-10-14Expand cache= option and use write-through caching by defaultaliguori1-1/+1
This patch changes the cache= option to accept none, writeback, or writethough to control the host page cache behavior. By default, writethrough caching is now used which internally is implemented by using O_DSYNC to open the disk images. When using -snapshot, writeback is used by default since data integrity it not at all an issue. cache=none has the same behavior as cache=off previously. The later syntax is still supported by now deprecated. I also cleaned up the O_DIRECT implementation to avoid many of the #ifdefs. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5485 c046a42c-6fe2-441c-8c8c-71466251a162
2008-09-10qemu-nbd: remove useless parameter from nbd_negotiate() (Laurent Vivier)aliguori1-1/+1
This patch removes "BlockDriverState *bs" from nbd_negotiate() because it is not used. Signed-off-by: Laurent Vivier <Laurent.Vivier@bull.fr> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5186 c046a42c-6fe2-441c-8c8c-71466251a162
2008-07-18Allow qemu-nbd --version to show the application name dynamically, byths1-2/+2
Carlo Marcelo Arenas Belon. git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4893 c046a42c-6fe2-441c-8c8c-71466251a162
2008-07-03Allow QEMU to connect directly to an NBD server, by Laurent Vivier.ths1-2/+8
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4838 c046a42c-6fe2-441c-8c8c-71466251a162
2008-07-03Allow to share a disk image via nbd, by Laurent Vivier.ths1-21/+75
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4837 c046a42c-6fe2-441c-8c8c-71466251a162
2008-07-03Add a parameter to disable host cache, by Laurent Vivier.ths1-5/+17
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4836 c046a42c-6fe2-441c-8c8c-71466251a162
2008-07-03Merge NBD client/server, by Laurent Vivier.ths1-4/+135
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4834 c046a42c-6fe2-441c-8c8c-71466251a162
2008-07-02Cleanup qemu-nbd related code, by Laurent Vivier.ths1-1/+1
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4829 c046a42c-6fe2-441c-8c8c-71466251a162
2008-05-27qemu-nbd tool (Anthony Liguori)bellard1-0/+275
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4596 c046a42c-6fe2-441c-8c8c-71466251a162
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