mirrors/libguestfs
1
0
Fork 0
mirror of https://github.com/libguestfs/libguestfs.git synced 2026-03-21 22:53:37 +00:00
Code Issues Packages Projects Releases Wiki Activity

daemon: Convert do_set_uuid_random to table-driven dispatch

Browse Source 
Signed-off-by: Susant Sahani <ssahani@redhat.com>
This commit is contained in:
Susant Sahani
2025-11-22 19:35:01 +05:30
committed by rwmjones
parent 174014933a
commit 799b04fe3e
1 changed files with 21 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
daemon/uuids.c
View File

@@ -92,8 +92,6 @@ do_set_uuid (const char *device, const char *uuid)
int
do_set_uuid_random (const char *device)
{
int r;
/* How we set the UUID depends on the filesystem type. */
CLEANUP_FREE char *vfs_type = get_blkid_tag (device, "TYPE");
if (vfs_type == NULL)
@@ -103,20 +101,30 @@ do_set_uuid_random (const char *device)
if (uuid_random == NULL)
return -1;
/* Fast path: ext2/3/4 family */
if (fstype_is_extfs (vfs_type))
r = ext_set_uuid_random (device);
return ext_set_uuid_random (device);
else if (STREQ (vfs_type, "xfs"))
r = xfs_set_uuid_random (device);
static const struct {
const char *fs_name;
int (*setter)(const char *device); /* most take device only */
} handlers[] = {
{ "xfs", xfs_set_uuid_random },
{ "btrfs", btrfs_set_uuid_random },
{ NULL, NULL }
};
else if (STREQ (vfs_type, "swap"))
r = swap_set_uuid (device, uuid_random);
/* Special case: swap uses the generated UUID string */
if (STREQ (vfs_type, "swap"))
return swap_set_uuid (device, uuid_random);
else if (STREQ (vfs_type, "btrfs"))
r = btrfs_set_uuid_random (device);
/* Table lookup for the rest */
for (size_t i = 0; handlers[i].fs_name; ++i) {
if (STREQ (vfs_type, handlers[i].fs_name))
return handlers[i].setter (device);
}
else
NOT_SUPPORTED (-1, "don't know how to set the random UUID for '%s' filesystems",
vfs_type);
return r;
NOT_SUPPORTED (-1,
"don't know how to set random UUID for '%s' filesystems",
vfs_type);
}