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* Respect return value from nbd_client()Jes Sorensen2010-09-041-1/+4
| | | | | Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
* Remove unused argument for nbd_client()Jes Sorensen2010-09-041-1/+1
| | | | | Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
* qemu-nbd: Improve error reportingRyota Ozaki2010-05-171-10/+24
| | | | | | | | | | | | - use err(3) instead of errx(3) if errno is available to report why failed - let fail prior to daemon(3) if opening a nbd file is likely to fail after daemonizing to avoid silent failure exit - add missing 'ret = 1' when unix_socket_outgoing failed Signed-off-by: Ryota Ozaki <ozaki.ryota@gmail.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
* Replace calls of old bdrv_openKevin Wolf2010-04-231-1/+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>
* qemu-nbd: Fix invalid usage of the first argument of errxRyota Ozaki2010-03-271-17/+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>
* qemu-nbd: Fix return value handling of bdrv_openRyota Ozaki2010-03-271-1/+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>
* read-only: minor cleanupNaphtali Sprei2010-03-171-0/+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>
* win32: pair qemu_memalign() with qemu_vfree()Herve Poussineau2010-01-261-1/+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>
* Clean-up a little bit the RW related bits of BDRV_O_FLAGS. BDRV_O_RDONLY ↵Naphtali Sprei2010-01-201-1/+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>
* qemu-nbd: fix OpenBSD linker warningBlue Swirl2009-12-231-1/+2
| | | | Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
* Compile qemu-nbd also on OpenBSD and SolarisBlue Swirl2009-12-231-0/+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>
* Fix Sparse warnings: "Using plain integer as NULL pointer"Blue Swirl2009-07-311-16/+16
| | | | Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
* Update to a hopefully more future proof FSF addressBlue Swirl2009-07-161-2/+1Star
| | | | Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
* Fix warning in qemu-nbd.cAnthony Liguori2009-06-151-2/+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>
* toplevel: remove error handling from qemu_malloc() callers (Avi Kivity)aliguori2009-02-051-2/+0Star
| | | | | | | | 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
* qemu-nbd: fix options: -b (--bind) expects an argument (IFACE) (Uri Lublin)aliguori2009-01-081-1/+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
* Update FSF address in GPL/LGPL boilerplateaurel322009-01-041-1/+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
* Fix undeclared symbol warnings from sparseblueswir12008-10-261-1/+1
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5539 c046a42c-6fe2-441c-8c8c-71466251a162
* Expand cache= option and use write-through caching by defaultaliguori2008-10-141-1/+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
* qemu-nbd: remove useless parameter from nbd_negotiate() (Laurent Vivier)aliguori2008-09-101-1/+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
* Allow qemu-nbd --version to show the application name dynamically, byths2008-07-181-2/+2
| | | | | | | Carlo Marcelo Arenas Belon. git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4893 c046a42c-6fe2-441c-8c8c-71466251a162
* Allow QEMU to connect directly to an NBD server, by Laurent Vivier.ths2008-07-031-2/+8
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4838 c046a42c-6fe2-441c-8c8c-71466251a162
* Allow to share a disk image via nbd, by Laurent Vivier.ths2008-07-031-21/+75
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4837 c046a42c-6fe2-441c-8c8c-71466251a162
* Add a parameter to disable host cache, by Laurent Vivier.ths2008-07-031-5/+17
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4836 c046a42c-6fe2-441c-8c8c-71466251a162
* Merge NBD client/server, by Laurent Vivier.ths2008-07-031-4/+135
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4834 c046a42c-6fe2-441c-8c8c-71466251a162
* Cleanup qemu-nbd related code, by Laurent Vivier.ths2008-07-021-1/+1
| | | | git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4829 c046a42c-6fe2-441c-8c8c-71466251a162
* qemu-nbd tool (Anthony Liguori)bellard2008-05-271-0/+275
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4596 c046a42c-6fe2-441c-8c8c-71466251a162
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