btrfs-progs: move parse_qgroupid_or_path to parse-utils

Signed-off-by: David Sterba <dsterba@suse.com>

common/parse-utils.c

@@ -15,11 +15,16 @@
  */
 
 #include "kerncompat.h"
+#include <sys/stat.h>
 #include <limits.h>
 #include <ctype.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include "libbtrfsutil/btrfsutil.h"
 #include "kernel-shared/volumes.h"
 #include "common/parse-utils.h"
 #include "common/messages.h"
+#include "common/utils.h"
 
 int parse_u64(const char *str, u64 *result)
 {
@@ -307,3 +312,44 @@ int parse_qgroupid(const char *str, u64 *qgroupid)
 	*qgroupid = (level << BTRFS_QGROUP_LEVEL_SHIFT) | id;
 	return 0;
 }
+
+u64 parse_qgroupid_or_path(const char *p)
+{
+	enum btrfs_util_error err;
+	u64 id;
+	u64 qgroupid;
+	int fd;
+	int ret = 0;
+
+	if (p[0] == '/')
+		goto path;
+
+	ret = parse_qgroupid(p, &qgroupid);
+	if (ret < 0)
+		goto err;
+
+	return qgroupid;
+
+path:
+	/* Path format like subv at 'my_subvol' is the fallback case */
+	err = btrfs_util_is_subvolume(p);
+	if (err)
+		goto err;
+	fd = open(p, O_RDONLY);
+	if (fd < 0)
+		goto err;
+	ret = lookup_path_rootid(fd, &id);
+	if (ret) {
+		errno = -ret;
+		error("failed to lookup root id: %m");
+	}
+	close(fd);
+	if (ret < 0)
+		goto err;
+	return id;
+
+err:
+	error("invalid qgroupid or subvolume path: %s", p);
+	exit(-1);
+}
+

common/parse-utils.h

@@ -30,6 +30,7 @@ int parse_range_strict(const char *range, u64 *start, u64 *end);
 int parse_bg_profile(const char *profile, u64 *flags);
 int parse_compress_type(const char *type);
 int parse_qgroupid(const char *str, u64 *qgroupid);
+u64 parse_qgroupid_or_path(const char *p);
 int fls64(u64 x);
 
 #endif

common/utils.c

@@ -226,46 +226,6 @@ int set_label(const char *btrfs_dev, const char *label)
 	return ret;
 }
 
-u64 parse_qgroupid_or_path(const char *p)
-{
-	enum btrfs_util_error err;
-	u64 id;
-	u64 qgroupid;
-	int fd;
-	int ret = 0;
-
-	if (p[0] == '/')
-		goto path;
-
-	ret = parse_qgroupid(p, &qgroupid);
-	if (ret < 0)
-		goto err;
-
-	return qgroupid;
-
-path:
-	/* Path format like subv at 'my_subvol' is the fallback case */
-	err = btrfs_util_is_subvolume(p);
-	if (err)
-		goto err;
-	fd = open(p, O_RDONLY);
-	if (fd < 0)
-		goto err;
-	ret = lookup_path_rootid(fd, &id);
-	if (ret) {
-		errno = -ret;
-		error("failed to lookup root id: %m");
-	}
-	close(fd);
-	if (ret < 0)
-		goto err;
-	return id;
-
-err:
-	error("invalid qgroupid or subvolume path: %s", p);
-	exit(-1);
-}
-
 void btrfs_format_csum(u16 csum_type, const u8 *data, char *output)
 {
 	int i;

common/utils.h

@@ -45,7 +45,6 @@ enum exclusive_operation {
 /* 2 for "0x", 2 for each byte, plus nul */
 #define BTRFS_CSUM_STRING_LEN		(2 + 2 * BTRFS_CSUM_SIZE + 1)
 void btrfs_format_csum(u16 csum_type, const u8 *data, char *output);
-u64 parse_qgroupid_or_path(const char *p);
 int get_fs_info(const char *path, struct btrfs_ioctl_fs_info_args *fi_args,
 		struct btrfs_ioctl_dev_info_args **di_ret);
 int get_fsid(const char *path, u8 *fsid, int silent);