Blame SOURCES/kvm-blockdev-Move-parsing-of-if-option-to-drive_init.patch

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From d3346d7e6dea698bc00eb18be4e174e9036ebeee Mon Sep 17 00:00:00 2001
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From: Kevin Wolf <kwolf@redhat.com>
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Date: Tue, 5 Nov 2013 14:09:05 +0100
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Subject: [PATCH 52/87] blockdev: Move parsing of 'if' option to drive_init
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RH-Author: Kevin Wolf <kwolf@redhat.com>
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Message-id: <1383660558-32096-12-git-send-email-kwolf@redhat.com>
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Patchwork-id: 55390
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O-Subject: [RHEL-7.0 qemu-kvm PATCH 11/24] blockdev: Move parsing of 'if' option to drive_init
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Bugzilla: 978402
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RH-Acked-by: Fam Zheng <famz@redhat.com>
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RH-Acked-by: Max Reitz <mreitz@redhat.com>
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RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
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It's always IF_NONE for blockdev-add.
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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Reviewed-by: Benoit Canet <benoit@irqsave.net>
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Reviewed-by: Eric Blake <eblake@redhat.com>
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(cherry picked from commit 593d464bd43900c2a0c8800b76212f6a93e99a0d)
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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---
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 blockdev.c | 40 ++++++++++++++++++++++------------------
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 1 file changed, 22 insertions(+), 18 deletions(-)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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 blockdev.c |   40 ++++++++++++++++++++++------------------
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 1 files changed, 22 insertions(+), 18 deletions(-)
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diff --git a/blockdev.c b/blockdev.c
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index e6d3c15..9bc3417 100644
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--- a/blockdev.c
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+++ b/blockdev.c
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@@ -328,14 +328,13 @@ typedef enum { MEDIA_DISK, MEDIA_CDROM } DriveMediaType;
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 /* Takes the ownership of bs_opts */
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 static DriveInfo *blockdev_init(QDict *bs_opts,
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-                                BlockInterfaceType block_default_type,
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+                                BlockInterfaceType type,
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                                 DriveMediaType media)
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 {
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     const char *buf;
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     const char *file = NULL;
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     const char *serial;
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     const char *mediastr = "";
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-    BlockInterfaceType type;
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     int bus_id, unit_id;
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     int cyls, heads, secs, translation;
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     int max_devs;
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@@ -396,17 +395,6 @@ static DriveInfo *blockdev_init(QDict *bs_opts,
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     file = qemu_opt_get(opts, "file");
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     serial = qemu_opt_get(opts, "serial");
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-    if ((buf = qemu_opt_get(opts, "if")) != NULL) {
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-        for (type = 0; type < IF_COUNT && strcmp(buf, if_name[type]); type++)
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-            ;
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-        if (type == IF_COUNT) {
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-            error_report("unsupported bus type '%s'", buf);
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-            return NULL;
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-	}
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-    } else {
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-        type = block_default_type;
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-    }
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-
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     max_devs = if_max_devs[type];
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     if (cyls || heads || secs) {
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@@ -753,6 +741,10 @@ QemuOptsList qemu_legacy_drive_opts = {
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             .name = "media",
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             .type = QEMU_OPT_STRING,
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             .help = "media type (disk, cdrom)",
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+        },{
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+            .name = "if",
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+            .type = QEMU_OPT_STRING,
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+            .help = "interface (ide, scsi, sd, mtd, floppy, pflash, virtio)",
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         },
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         { /* end of list */ }
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     },
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@@ -765,6 +757,7 @@ DriveInfo *drive_init(QemuOpts *all_opts, BlockInterfaceType block_default_type)
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     QDict *bs_opts;
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     QemuOpts *legacy_opts;
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     DriveMediaType media = MEDIA_DISK;
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+    BlockInterfaceType type;
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     Error *local_err = NULL;
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     /* Change legacy command line options into QMP ones */
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@@ -828,8 +821,23 @@ DriveInfo *drive_init(QemuOpts *all_opts, BlockInterfaceType block_default_type)
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         }
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     }
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+    /* Controller type */
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+    value = qemu_opt_get(legacy_opts, "if");
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+    if (value) {
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+        for (type = 0;
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+             type < IF_COUNT && strcmp(value, if_name[type]);
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+             type++) {
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+        }
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+        if (type == IF_COUNT) {
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+            error_report("unsupported bus type '%s'", value);
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+            goto fail;
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+        }
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+    } else {
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+        type = block_default_type;
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+    }
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+
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     /* Actual block device init: Functionality shared with blockdev-add */
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-    dinfo = blockdev_init(bs_opts, block_default_type, media);
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+    dinfo = blockdev_init(bs_opts, type, media);
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     if (dinfo == NULL) {
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         goto fail;
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     }
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@@ -1781,10 +1789,6 @@ QemuOptsList qemu_common_drive_opts = {
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             .type = QEMU_OPT_NUMBER,
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             .help = "unit number (i.e. lun for scsi)",
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         },{
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-            .name = "if",
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-            .type = QEMU_OPT_STRING,
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-            .help = "interface (ide, scsi, sd, mtd, floppy, pflash, virtio)",
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-        },{
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             .name = "index",
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             .type = QEMU_OPT_NUMBER,
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             .help = "index number",
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-- 
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1.7.1
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