btrfs-progs: qgroup: Remove support for specifying inherit type

Since kernel is deprecating the support for specifying inherit type, remove the support in btrfs-progs too.

Thankfully, the options for qgroup inheritance is hidden and not documented, so user shouldn't be affected at all.

Signed-off-by Qu Wenruo <[email protected]>

---
 cmds-subvolume.c | 21 ---------------------
 qgroup.c         | 42 ------------------------------------------
 qgroup.h         |  3 ---
 3 files changed, 66 deletions(-)

cmds-subvolume.c +0 -0

index dc626a6495e5..e0839da7d8f8 100644
@@ -134,13 +134,6 @@ static int cmd_subvol_create(int argc, char **argv)
 			break;
 
 		switch (c) {

cmds-subvolume.c +0 -14

@@ -670,13 +663,6 @@ static int cmd_subvol_snapshot(int argc, char **argv)
 			break;
 
 		switch (c) {
-		case 'c':
-			res = qgroup_inherit_add_copy(&inherit, optarg, 0);
-			if (res) {
-				retval = res;
-				goto out;
-			}
-			break;
 		case 'i':
 			res = qgroup_inherit_add_group(&inherit, optarg);
 			if (res) {

@@ -687,13 +673,6 @@ static int cmd_subvol_snapshot(int argc, char **argv)
 		case 'r':
 			readonly = 1;
 			break;
-		case 'x':
-			res = qgroup_inherit_add_copy(&inherit, optarg, 1);
-			if (res) {
-				retval = res;
-				goto out;
-			}
-			break;
 		default:
 			usage(cmd_subvol_snapshot_usage);
 		}

qgroup.c +0 -42

index 156825fd431d..e9158a260251 100644
@@ -1310,45 +1310,3 @@ int qgroup_inherit_add_group(struct btrfs_qgroup_inherit **inherit, char *arg)
 
 	return 0;
 }
-
-int qgroup_inherit_add_copy(struct btrfs_qgroup_inherit **inherit, char *arg,
-			    int type)
-{
-	int ret;
-	u64 qgroup_src;
-	u64 qgroup_dst;
-	char *p;
-	int pos = 0;
-
-	p = strchr(arg, ':');
-	if (!p) {
-bad:
-		error("invalid copy specification, missing separator :");
-		return -EINVAL;
-	}
-	*p = 0;
-	qgroup_src = parse_qgroupid(arg);
-	qgroup_dst = parse_qgroupid(p + 1);
-	*p = ':';
-
-	if (!qgroup_src || !qgroup_dst)
-		goto bad;
-
-	if (*inherit)
-		pos = (*inherit)->num_qgroups +
-		      (*inherit)->num_ref_copies * 2 * type;
-
-	ret = qgroup_inherit_realloc(inherit, 2, pos);
-	if (ret)
-		return ret;
-
-	(*inherit)->qgroups[pos++] = qgroup_src;
-	(*inherit)->qgroups[pos++] = qgroup_dst;
-
-	if (!type)
-		++(*inherit)->num_ref_copies;
-	else
-		++(*inherit)->num_excl_copies;
-
-	return 0;
-}

qgroup.h +0 -3

index 875fbdf37f5f..3fc57123dc2d 100644
@@ -92,7 +92,4 @@ int btrfs_qgroup_setup_comparer(struct btrfs_qgroup_comparer_set **comp_set,
 				int is_descending);
 int qgroup_inherit_size(struct btrfs_qgroup_inherit *p);
 int qgroup_inherit_add_group(struct btrfs_qgroup_inherit **inherit, char *arg);
-int qgroup_inherit_add_copy(struct btrfs_qgroup_inherit **inherit, char *arg,
-			    int type);
-
 #endif

Quoted 20 lines · Qu Wenruo

Since kernel is deprecating the support for specifying inherit type, remove the support in btrfs-progs too.

Thankfully, the options for qgroup inheritance is hidden and not documented, so user shouldn't be affected at all.

Signed-off-by Qu Wenruo <[email protected]>

---
 cmds-subvolume.c | 21 ---------------------
 qgroup.c         | 42 ------------------------------------------
 qgroup.h         |  3 ---
 3 files changed, 66 deletions(-)

cmds-subvolume.c +0 -0

index dc626a6495e5..e0839da7d8f8 100644
@@ -134,13 +134,6 @@ static int cmd_subvol_create(int argc, char **argv)
 			break;
 

cmds-subvolume.c static int cmd_subvol_create(int argc, char **argv) · line 139

Quoted 11 lines

cmds-subvolume.c +0 -7

 		switch (c) {
-		case 'c':
-			res = qgroup_inherit_add_copy(&inherit, optarg, 0);
-			if (res) {
-				retval = res;
-				goto out;
-			}
-			break;
 		case 'i':
 			res = qgroup_inherit_add_group(&inherit, optarg);
 			if (res) {

No harm, but we should remove "c:" from getopt() too. Tomohiro

Quoted 85 lines

cmds-subvolume.c +0 -14

@@ -670,13 +663,6 @@ static int cmd_subvol_snapshot(int argc, char **argv)
 			break;
 
 		switch (c) {
-		case 'c':
-			res = qgroup_inherit_add_copy(&inherit, optarg, 0);
-			if (res) {
-				retval = res;
-				goto out;
-			}
-			break;
 		case 'i':
 			res = qgroup_inherit_add_group(&inherit, optarg);
 			if (res) {

@@ -687,13 +673,6 @@ static int cmd_subvol_snapshot(int argc, char **argv)
 		case 'r':
 			readonly = 1;
 			break;
-		case 'x':
-			res = qgroup_inherit_add_copy(&inherit, optarg, 1);
-			if (res) {
-				retval = res;
-				goto out;
-			}
-			break;
 		default:
 			usage(cmd_subvol_snapshot_usage);
 		}

qgroup.c +0 -42

index 156825fd431d..e9158a260251 100644
@@ -1310,45 +1310,3 @@ int qgroup_inherit_add_group(struct btrfs_qgroup_inherit **inherit, char *arg)
 
 	return 0;
 }
-
-int qgroup_inherit_add_copy(struct btrfs_qgroup_inherit **inherit, char *arg,
-			    int type)
-{
-	int ret;
-	u64 qgroup_src;
-	u64 qgroup_dst;
-	char *p;
-	int pos = 0;
-
-	p = strchr(arg, ':');
-	if (!p) {
-bad:
-		error("invalid copy specification, missing separator :");
-		return -EINVAL;
-	}
-	*p = 0;
-	qgroup_src = parse_qgroupid(arg);
-	qgroup_dst = parse_qgroupid(p + 1);
-	*p = ':';
-
-	if (!qgroup_src || !qgroup_dst)
-		goto bad;
-
-	if (*inherit)
-		pos = (*inherit)->num_qgroups +
-		      (*inherit)->num_ref_copies * 2 * type;
-
-	ret = qgroup_inherit_realloc(inherit, 2, pos);
-	if (ret)
-		return ret;
-
-	(*inherit)->qgroups[pos++] = qgroup_src;
-	(*inherit)->qgroups[pos++] = qgroup_dst;
-
-	if (!type)
-		++(*inherit)->num_ref_copies;
-	else
-		++(*inherit)->num_excl_copies;
-
-	return 0;
-}

qgroup.h +0 -0

index 875fbdf37f5f..3fc57123dc2d 100644

qgroup.h int btrfs_qgroup_setup_comparer(struct btrfs_qgroup_comparer_set **comp_set, · line 95

Quoted 7 lines

qgroup.h +0 -3

@@ -92,7 +92,4 @@ int btrfs_qgroup_setup_comparer(struct btrfs_qgroup_comparer_set **comp_set,
 				int is_descending);
 int qgroup_inherit_size(struct btrfs_qgroup_inherit *p);
 int qgroup_inherit_add_group(struct btrfs_qgroup_inherit **inherit, char *arg);
-int qgroup_inherit_add_copy(struct btrfs_qgroup_inherit **inherit, char *arg,
-			    int type);
-
 #endif

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