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| author | Jeff Cody | 2017-01-26 02:08:20 +0100 |
|---|---|---|
| committer | Max Reitz | 2017-02-12 00:47:42 +0100 |
| commit | 418661e0324c1c419552cf24bd4447292e884bdd (patch) | |
| tree | 0e9f36bf26f64e6734975c300f2c1efd388321d2 /include/exec/memory.h | |
| parent | block/vmdk: Fix the endian problem of buf_len and lba (diff) | |
| download | qemu-418661e0324c1c419552cf24bd4447292e884bdd.tar.gz qemu-418661e0324c1c419552cf24bd4447292e884bdd.tar.xz qemu-418661e0324c1c419552cf24bd4447292e884bdd.zip | |
block: check full backing filename when searching protocol filenames
In bdrv_find_backing_image(), if we are searching an image for a backing
file that contains a protocol, we currently only compare unmodified
paths.
However, some management software will change the backing filename to be
a relative filename in a path. QEMU is able to handle this fine,
because internally it will use path_combine to put together the full
protocol URI.
However, this can lead to an inability to match an image during a QAPI
command that needs to use bdrv_find_backing_image() to find the image,
when it is searched by the full URI.
When searching for a protocol filename, if the straight comparison
fails, this patch will also compare against the full backing filename to
see if that is a match.
Signed-off-by: Jeff Cody <jcody@redhat.com>
Message-id: c2d025adca8a2b665189e6f4cf080f44126d0b6b.1485392617.git.jcody@redhat.com
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'include/exec/memory.h')
0 files changed, 0 insertions, 0 deletions