btrfs-progs: receive: add global verbose and quiet options

Propagate global --verbose and --quiet options down to the btrfs receive
subcommand.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Anand Jain 2019-11-25 18:39:05 +08:00 committed by David Sterba
parent 7881cb21fd
commit 1830d002d7

View File

@ -53,12 +53,6 @@
#include "common/help.h"
#include "common/path-utils.h"
/*
* Default is 1 for historical reasons, changing may break scripts that expect
* the 'At subvol' message.
*/
static int g_verbose = 1;
struct btrfs_receive
{
int mnt_fd;
@ -116,7 +110,7 @@ static int finish_subvol(struct btrfs_receive *rctx)
memcpy(rs_args.uuid, rctx->cur_subvol.received_uuid, BTRFS_UUID_SIZE);
rs_args.stransid = rctx->cur_subvol.stransid;
if (g_verbose >= 2) {
if (bconf.verbose >= 2) {
uuid_unparse((u8*)rs_args.uuid, uuid_str);
fprintf(stderr, "BTRFS_IOC_SET_RECEIVED_SUBVOL uuid=%s, "
"stransid=%llu\n", uuid_str, rs_args.stransid);
@ -199,13 +193,13 @@ static int process_subvol(const char *path, const u8 *uuid, u64 ctransid,
goto out;
}
if (g_verbose)
if (bconf.verbose > BTRFS_BCONF_QUIET)
fprintf(stderr, "At subvol %s\n", path);
memcpy(rctx->cur_subvol.received_uuid, uuid, BTRFS_UUID_SIZE);
rctx->cur_subvol.stransid = ctransid;
if (g_verbose >= 2) {
if (bconf.verbose >= 2) {
uuid_unparse((u8*)rctx->cur_subvol.received_uuid, uuid_str);
fprintf(stderr, "receiving subvol %s uuid=%s, stransid=%llu\n",
path, uuid_str,
@ -269,13 +263,12 @@ static int process_snapshot(const char *path, const u8 *uuid, u64 ctransid,
goto out;
}
if (g_verbose)
fprintf(stdout, "At snapshot %s\n", path);
pr_verbose(1, "At snapshot %s\n", path);
memcpy(rctx->cur_subvol.received_uuid, uuid, BTRFS_UUID_SIZE);
rctx->cur_subvol.stransid = ctransid;
if (g_verbose >= 2) {
if (bconf.verbose >= 2) {
uuid_unparse((u8*)rctx->cur_subvol.received_uuid, uuid_str);
fprintf(stderr, "receiving snapshot %s uuid=%s, "
"ctransid=%llu ", path, uuid_str,
@ -393,7 +386,7 @@ static int process_mkfile(const char *path, void *user)
goto out;
}
if (g_verbose >= 3)
if (bconf.verbose >= 3)
fprintf(stderr, "mkfile %s\n", path);
ret = creat(full_path, 0600);
@ -421,7 +414,7 @@ static int process_mkdir(const char *path, void *user)
goto out;
}
if (g_verbose >= 3)
if (bconf.verbose >= 3)
fprintf(stderr, "mkdir %s\n", path);
ret = mkdir(full_path, 0700);
@ -446,7 +439,7 @@ static int process_mknod(const char *path, u64 mode, u64 dev, void *user)
goto out;
}
if (g_verbose >= 3)
if (bconf.verbose >= 3)
fprintf(stderr, "mknod %s mode=%llu, dev=%llu\n",
path, mode, dev);
@ -472,7 +465,7 @@ static int process_mkfifo(const char *path, void *user)
goto out;
}
if (g_verbose >= 3)
if (bconf.verbose >= 3)
fprintf(stderr, "mkfifo %s\n", path);
ret = mkfifo(full_path, 0600);
@ -497,7 +490,7 @@ static int process_mksock(const char *path, void *user)
goto out;
}
if (g_verbose >= 3)
if (bconf.verbose >= 3)
fprintf(stderr, "mksock %s\n", path);
ret = mknod(full_path, 0600 | S_IFSOCK, 0);
@ -522,7 +515,7 @@ static int process_symlink(const char *path, const char *lnk, void *user)
goto out;
}
if (g_verbose >= 3)
if (bconf.verbose >= 3)
fprintf(stderr, "symlink %s -> %s\n", path, lnk);
ret = symlink(lnk, full_path);
@ -554,7 +547,7 @@ static int process_rename(const char *from, const char *to, void *user)
goto out;
}
if (g_verbose >= 3)
if (bconf.verbose >= 3)
fprintf(stderr, "rename %s -> %s\n", from, to);
ret = rename(full_from, full_to);
@ -586,7 +579,7 @@ static int process_link(const char *path, const char *lnk, void *user)
goto out;
}
if (g_verbose >= 3)
if (bconf.verbose >= 3)
fprintf(stderr, "link %s -> %s\n", path, lnk);
ret = link(full_link_path, full_path);
@ -612,7 +605,7 @@ static int process_unlink(const char *path, void *user)
goto out;
}
if (g_verbose >= 3)
if (bconf.verbose >= 3)
fprintf(stderr, "unlink %s\n", path);
ret = unlink(full_path);
@ -637,7 +630,7 @@ static int process_rmdir(const char *path, void *user)
goto out;
}
if (g_verbose >= 3)
if (bconf.verbose >= 3)
fprintf(stderr, "rmdir %s\n", path);
ret = rmdir(full_path);
@ -702,7 +695,7 @@ static int process_write(const char *path, const void *data, u64 offset,
if (ret < 0)
goto out;
if (g_verbose >= 2)
if (bconf.verbose >= 2)
fprintf(stderr, "write %s - offset=%llu length=%llu\n",
path, offset, len);
@ -792,7 +785,7 @@ static int process_clone(const char *path, u64 offset, u64 len,
goto out;
}
if (g_verbose >= 2)
if (bconf.verbose >= 2)
fprintf(stderr,
"clone %s - source=%s source offset=%llu offset=%llu length=%llu\n",
path, clone_path, clone_offset, offset, len);
@ -833,7 +826,7 @@ static int process_set_xattr(const char *path, const char *name,
}
if (strcmp("security.capability", name) == 0) {
if (g_verbose >= 4)
if (bconf.verbose >= 4)
fprintf(stderr, "set_xattr: cache capabilities\n");
if (rctx->cached_capabilities_len)
warning("capabilities set multiple times per file: %s",
@ -848,7 +841,7 @@ static int process_set_xattr(const char *path, const char *name,
memcpy(rctx->cached_capabilities, data, len);
}
if (g_verbose >= 3) {
if (bconf.verbose >= 3) {
fprintf(stderr, "set_xattr %s - name=%s data_len=%d "
"data=%.*s\n", path, name, len,
len, (char*)data);
@ -878,7 +871,7 @@ static int process_remove_xattr(const char *path, const char *name, void *user)
goto out;
}
if (g_verbose >= 3) {
if (bconf.verbose >= 3) {
fprintf(stderr, "remove_xattr %s - name=%s\n",
path, name);
}
@ -906,7 +899,7 @@ static int process_truncate(const char *path, u64 size, void *user)
goto out;
}
if (g_verbose >= 3)
if (bconf.verbose >= 3)
fprintf(stderr, "truncate %s size=%llu\n", path, size);
ret = truncate(full_path, size);
@ -932,7 +925,7 @@ static int process_chmod(const char *path, u64 mode, void *user)
goto out;
}
if (g_verbose >= 3)
if (bconf.verbose >= 3)
fprintf(stderr, "chmod %s - mode=0%o\n", path, (int)mode);
ret = chmod(full_path, mode);
@ -958,7 +951,7 @@ static int process_chown(const char *path, u64 uid, u64 gid, void *user)
goto out;
}
if (g_verbose >= 3)
if (bconf.verbose >= 3)
fprintf(stderr, "chown %s - uid=%llu, gid=%llu\n", path,
uid, gid);
@ -970,7 +963,7 @@ static int process_chown(const char *path, u64 uid, u64 gid, void *user)
}
if (rctx->cached_capabilities_len) {
if (g_verbose >= 3)
if (bconf.verbose >= 3)
fprintf(stderr, "chown: restore capabilities\n");
ret = lsetxattr(full_path, "security.capability",
rctx->cached_capabilities,
@ -1004,7 +997,7 @@ static int process_utimes(const char *path, struct timespec *at,
goto out;
}
if (g_verbose >= 3)
if (bconf.verbose >= 3)
fprintf(stderr, "utimes %s\n", path);
tv[0] = *at;
@ -1023,7 +1016,7 @@ out:
static int process_update_extent(const char *path, u64 offset, u64 len,
void *user)
{
if (g_verbose >= 3)
if (bconf.verbose >= 3)
fprintf(stderr, "update_extent %s: offset=%llu, len=%llu\n",
path, (unsigned long long)offset,
(unsigned long long)len);
@ -1163,7 +1156,7 @@ static int do_receive(struct btrfs_receive *rctx, const char *tomnt,
while (!end) {
if (rctx->cached_capabilities_len) {
if (g_verbose >= 4)
if (bconf.verbose >= 4)
fprintf(stderr, "clear cached capabilities\n");
memset(rctx->cached_capabilities, 0,
sizeof(rctx->cached_capabilities));
@ -1252,6 +1245,9 @@ static const char * const cmd_receive_usage[] = {
" this file system is mounted.",
"--dump dump stream metadata, one line per operation,",
" does not require the MOUNT parameter",
HELPINFO_INSERT_GLOBALS,
HELPINFO_INSERT_VERBOSE,
HELPINFO_INSERT_QUIET,
NULL
};
@ -1274,6 +1270,18 @@ static int cmd_receive(const struct cmd_struct *cmd, int argc, char **argv)
realmnt[0] = 0;
fromfile[0] = 0;
/*
* Init global verbose to default, if it is unset.
* Default is 1 for historical reasons, changing may break scripts that
* expect the 'At subvol' message.
* As default is 1, which means the effective verbose for receive is 2
* which global verbose is unaware. So adjust global verbose value here.
*/
if (bconf.verbose == BTRFS_BCONF_UNSET)
bconf.verbose = 1;
else if (bconf.verbose > BTRFS_BCONF_QUIET)
bconf.verbose++;
optind = 0;
while (1) {
int c;
@ -1292,10 +1300,10 @@ static int cmd_receive(const struct cmd_struct *cmd, int argc, char **argv)
switch (c) {
case 'v':
g_verbose++;
bconf_be_verbose();
break;
case 'q':
g_verbose = 0;
bconf_be_quiet();
break;
case 'f':
if (arg_copy_path(fromfile, optarg, sizeof(fromfile))) {