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qemu-nbd: fix indentation and coding style

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Signed-off-by: Peter Lieven <pl@kamp.de>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Benoit Canet <benoit.canet@nodalink.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Peter Lieven 2014-08-13 19:20:19 +02:00 committed by Stefan Hajnoczi
parent b3838a4088
commit 713cc671f1
1 changed files with 39 additions and 36 deletions
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75
qemu-nbd.c
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@ -39,10 +39,10 @@
#include <libgen.h> #include <libgen.h>
#include <pthread.h> #include <pthread.h>
#define SOCKET_PATH "/var/lock/qemu-nbd-%s" #define SOCKET_PATH "/var/lock/qemu-nbd-%s"
#define QEMU_NBD_OPT_CACHE 1 #define QEMU_NBD_OPT_CACHE 1
#define QEMU_NBD_OPT_AIO 2 #define QEMU_NBD_OPT_AIO 2
#define QEMU_NBD_OPT_DISCARD 3 #define QEMU_NBD_OPT_DISCARD 3
#define QEMU_NBD_OPT_DETECT_ZEROES 4 #define QEMU_NBD_OPT_DETECT_ZEROES 4
static NBDExport *exp; static NBDExport *exp;
@ -60,44 +60,44 @@ static void usage(const char *name)
"Usage: %s [OPTIONS] FILE\n" "Usage: %s [OPTIONS] FILE\n"
"QEMU Disk Network Block Device Server\n" "QEMU Disk Network Block Device Server\n"
"\n" "\n"
" -h, --help display this help and exit\n" " -h, --help display this help and exit\n"
" -V, --version output version information and exit\n" " -V, --version output version information and exit\n"
"\n" "\n"
"Connection properties:\n" "Connection properties:\n"
" -p, --port=PORT port to listen on (default `%d')\n" " -p, --port=PORT port to listen on (default `%d')\n"
" -b, --bind=IFACE interface to bind to (default `0.0.0.0')\n" " -b, --bind=IFACE interface to bind to (default `0.0.0.0')\n"
" -k, --socket=PATH path to the unix socket\n" " -k, --socket=PATH path to the unix socket\n"
" (default '"SOCKET_PATH"')\n" " (default '"SOCKET_PATH"')\n"
" -e, --shared=NUM device can be shared by NUM clients (default '1')\n" " -e, --shared=NUM device can be shared by NUM clients (default '1')\n"
" -t, --persistent don't exit on the last connection\n" " -t, --persistent don't exit on the last connection\n"
" -v, --verbose display extra debugging information\n" " -v, --verbose display extra debugging information\n"
"\n" "\n"
"Exposing part of the image:\n" "Exposing part of the image:\n"
" -o, --offset=OFFSET offset into the image\n" " -o, --offset=OFFSET offset into the image\n"
" -P, --partition=NUM only expose partition NUM\n" " -P, --partition=NUM only expose partition NUM\n"
"\n" "\n"
#ifdef __linux__ #ifdef __linux__
"Kernel NBD client support:\n" "Kernel NBD client support:\n"
" -c, --connect=DEV connect FILE to the local NBD device DEV\n" " -c, --connect=DEV connect FILE to the local NBD device DEV\n"
" -d, --disconnect disconnect the specified device\n" " -d, --disconnect disconnect the specified device\n"
"\n" "\n"
#endif #endif
"\n" "\n"
"Block device options:\n" "Block device options:\n"
" -f, --format=FORMAT set image format (raw, qcow2, ...)\n" " -f, --format=FORMAT set image format (raw, qcow2, ...)\n"
" -r, --read-only export read-only\n" " -r, --read-only export read-only\n"
" -s, --snapshot use FILE as an external snapshot, create a temporary\n" " -s, --snapshot use FILE as an external snapshot, create a temporary\n"
" file with backing_file=FILE, redirect the write to\n" " file with backing_file=FILE, redirect the write to\n"
" the temporary one\n" " the temporary one\n"
" -l, --load-snapshot=SNAPSHOT_PARAM\n" " -l, --load-snapshot=SNAPSHOT_PARAM\n"
" load an internal snapshot inside FILE and export it\n" " load an internal snapshot inside FILE and export it\n"
" as an read-only device, SNAPSHOT_PARAM format is\n" " as an read-only device, SNAPSHOT_PARAM format is\n"
" 'snapshot.id=[ID],snapshot.name=[NAME]', or\n" " 'snapshot.id=[ID],snapshot.name=[NAME]', or\n"
" '[ID_OR_NAME]'\n" " '[ID_OR_NAME]'\n"
" -n, --nocache disable host cache\n" " -n, --nocache disable host cache\n"
" --cache=MODE set cache mode (none, writeback, ...)\n" " --cache=MODE set cache mode (none, writeback, ...)\n"
#ifdef CONFIG_LINUX_AIO #ifdef CONFIG_LINUX_AIO
" --aio=MODE set AIO mode (native or threads)\n" " --aio=MODE set AIO mode (native or threads)\n"
#endif #endif
" --discard=MODE set discard mode (ignore, unmap)\n" " --discard=MODE set discard mode (ignore, unmap)\n"
" --detect-zeroes=MODE set detect-zeroes mode (off, on, discard)\n" " --detect-zeroes=MODE set detect-zeroes mode (off, on, discard)\n"
@ -546,15 +546,18 @@ int main(int argc, char **argv)
break; break;
case 'P': case 'P':
partition = strtol(optarg, &end, 0); partition = strtol(optarg, &end, 0);
if (*end) if (*end) {
errx(EXIT_FAILURE, "Invalid partition `%s'", optarg); errx(EXIT_FAILURE, "Invalid partition `%s'", optarg);
if (partition < 1 || partition > 8) }
if (partition < 1 || partition > 8) {
errx(EXIT_FAILURE, "Invalid partition %d", partition); errx(EXIT_FAILURE, "Invalid partition %d", partition);
}
break; break;
case 'k': case 'k':
sockpath = optarg; sockpath = optarg;
if (sockpath[0] != '/') if (sockpath[0] != '/') {
errx(EXIT_FAILURE, "socket path must be absolute\n"); errx(EXIT_FAILURE, "socket path must be absolute\n");
}
break; break;
case 'd': case 'd':
disconnect = true; disconnect = true;
@ -574,9 +577,9 @@ int main(int argc, char **argv)
case 'f': case 'f':
fmt = optarg; fmt = optarg;
break; break;
case 't': case 't':
persistent = 1; persistent = 1;
break; break;
case 'v': case 'v':
verbose = 1; verbose = 1;
break; break;
@ -611,7 +614,7 @@ int main(int argc, char **argv)
printf("%s disconnected\n", argv[optind]); printf("%s disconnected\n", argv[optind]);
return 0; return 0;
} }
if (device && !verbose) { if (device && !verbose) {