Am 08.06.2012 17:42, schrieb Corey Bryant:
> This patch converts all block layer open calls to qemu_open. This
> enables all block layer open paths to dup(X) a pre-opened file
> descriptor if the filename is of the format /dev/fd/X. This is
> useful if QEMU is restricted from opening certain files.
>
> Note that this adds the O_CLOEXEC flag to the changed open paths
> when the O_CLOEXEC macro is defined.
>
> v2:
> -Convert calls to qemu_open instead of file_open ([email protected])
> -Mention introduction of O_CLOEXEC ([email protected])
>
> Signed-off-by: Corey Bryant <[email protected]>
> @@ -950,7 +950,7 @@ static int floppy_probe_device(const char *filename)
> if (strstart(filename, "/dev/fd", NULL))
> prio = 50;
Good to have this context here. I think this has to be removed in
another patch or all our file descriptors will become host_floppy...
>
> - fd = open(filename, O_RDONLY | O_NONBLOCK);
> + fd = qemu_open(filename, O_RDONLY | O_NONBLOCK);
> if (fd < 0) {
> goto out;
> }
Kevin
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