Btrfs-progs: small parent_subvol cleanup for cmds-receive.c

parent_subvol is local to process_snapshot() and not needed outside.

Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>
This commit is contained in:
Stefan Behrens 2013-04-09 19:08:38 +02:00 committed by David Sterba
parent adf67ff761
commit fea32e3983

View File

@ -64,7 +64,6 @@ struct btrfs_receive
char *full_subvol_path;
struct subvol_info *cur_subvol;
struct subvol_info *parent_subvol;
struct subvol_uuid_search sus;
};
@ -152,7 +151,6 @@ static int process_subvol(const char *path, const u8 *uuid, u64 ctransid,
goto out;
r->cur_subvol = calloc(1, sizeof(*r->cur_subvol));
r->parent_subvol = NULL;
r->cur_subvol->path = strdup(path);
free(r->full_subvol_path);
@ -192,13 +190,13 @@ static int process_snapshot(const char *path, const u8 *uuid, u64 ctransid,
struct btrfs_receive *r = user;
char uuid_str[128];
struct btrfs_ioctl_vol_args_v2 args_v2;
struct subvol_info *parent_subvol;
ret = finish_subvol(r);
if (ret < 0)
goto out;
r->cur_subvol = calloc(1, sizeof(*r->cur_subvol));
r->parent_subvol = NULL;
r->cur_subvol->path = strdup(path);
free(r->full_subvol_path);
@ -222,9 +220,9 @@ static int process_snapshot(const char *path, const u8 *uuid, u64 ctransid,
memset(&args_v2, 0, sizeof(args_v2));
strncpy_null(args_v2.name, path);
r->parent_subvol = subvol_uuid_search(&r->sus, 0, parent_uuid,
parent_subvol = subvol_uuid_search(&r->sus, 0, parent_uuid,
parent_ctransid, NULL, subvol_search_by_received_uuid);
if (!r->parent_subvol) {
if (!parent_subvol) {
ret = -ENOENT;
fprintf(stderr, "ERROR: could not find parent subvolume\n");
goto out;
@ -240,12 +238,12 @@ static int process_snapshot(const char *path, const u8 *uuid, u64 ctransid,
}
}*/
args_v2.fd = openat(r->mnt_fd, r->parent_subvol->path,
args_v2.fd = openat(r->mnt_fd, parent_subvol->path,
O_RDONLY | O_NOATIME);
if (args_v2.fd < 0) {
ret = -errno;
fprintf(stderr, "ERROR: open %s failed. %s\n",
r->parent_subvol->path, strerror(-ret));
parent_subvol->path, strerror(-ret));
goto out;
}
@ -254,7 +252,7 @@ static int process_snapshot(const char *path, const u8 *uuid, u64 ctransid,
if (ret < 0) {
ret = -errno;
fprintf(stderr, "ERROR: creating snapshot %s -> %s "
"failed. %s\n", r->parent_subvol->path,
"failed. %s\n", parent_subvol->path,
path, strerror(-ret));
goto out;
}