debugfs: handle 64bit block numbers

debugfs should use strtoull wrappers for reading block numbers from
the command line.  "unsigned long" isn't wide enough to handle block
numbers on 32bit platforms.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

3 files changed, 32 insertions, 25 deletions

diff --git a/debugfs/debugfs.c b/debugfs/debugfs.c
index ca0570ac..6982ff6a 100644
--- a/debugfs/debugfs.c
+++ b/debugfs/debugfs.c
@@ -181,8 +181,7 @@ void do_open_filesys(int argc, char **argv)
 				return;
 			break;
 		case 's':
-			superblock = parse_ulong(optarg, argv[0],
-						 "superblock number", &err);
+			err = strtoblk(argv[0], optarg, &superblock);
 			if (err)
 				return;
 			break;
@@ -278,14 +277,17 @@ void do_init_filesys(int argc, char **argv)
 	struct ext2_super_block param;
 	errcode_t	retval;
 	int		err;
+	blk64_t		blocks;
 
 	if (common_args_process(argc, argv, 3, 3, "initialize",
 				"<device> <blocks>", CHECK_FS_NOTOPEN))
 		return;
 
 	memset(&param, 0, sizeof(struct ext2_super_block));
-	ext2fs_blocks_count_set(&param, parse_ulong(argv[2], argv[0],
-						    "blocks count", &err));
+	err = strtoblk(argv[0], argv[2], &blocks);
+	if (err)
+		return;
+	ext2fs_blocks_count_set(&param, blocks);
 	if (err)
 		return;
 	retval = ext2fs_initialize(argv[1], 0, &param,
@@ -2098,7 +2100,9 @@ void do_bmap(int argc, char *argv[])
 	ino = string_to_inode(argv[1]);
 	if (!ino)
 		return;
-	blk = parse_ulong(argv[2], argv[0], "logical_block", &err);
+	err = strtoblk(argv[0], argv[2], &blk);
+	if (err)
+		return;
 
 	errcode = ext2fs_bmap2(current_fs, ino, 0, 0, 0, blk, 0, &pblk);
 	if (errcode) {
@@ -2243,10 +2247,14 @@ void do_punch(int argc, char *argv[])
 	ino = string_to_inode(argv[1]);
 	if (!ino)
 		return;
-	start = parse_ulong(argv[2], argv[0], "logical_block", &err);
-	if (argc == 4)
-		end = parse_ulong(argv[3], argv[0], "logical_block", &err);
-	else
+	err = strtoblk(argv[0], argv[2], &start);
+	if (err)
+		return;
+	if (argc == 4) {
+		err = strtoblk(argv[0], argv[3], &end);
+		if (err)
+			return;
+	} else
 		end = ~0;
 
 	errcode = ext2fs_punch(current_fs, ino, 0, 0, start, end);
@@ -2449,8 +2457,11 @@ int main(int argc, char **argv)
 						"block size", 0);
 			break;
 		case 's':
-			superblock = parse_ulong(optarg, argv[0],
-						 "superblock number", 0);
+			retval = strtoblk(argv[0], optarg, &superblock);
+			if (retval) {
+				com_err(argv[0], retval, 0, debug_prog_name);
+				return 1;
+			}
 			break;
 		case 'c':
 			catastrophic = 1;
diff --git a/debugfs/extent_inode.c b/debugfs/extent_inode.c
index 0bbc4c55..75e328c6 100644
--- a/debugfs/extent_inode.c
+++ b/debugfs/extent_inode.c
@@ -264,7 +264,7 @@ void do_replace_node(int argc, char *argv[])
 		return;
 	}
 
-	extent.e_lblk = parse_ulong(argv[1], argv[0], "logical block", &err);
+	err = strtoblk(argv[0], argv[1], &extent.e_lblk);
 	if (err)
 		return;
 
@@ -272,7 +272,7 @@ void do_replace_node(int argc, char *argv[])
 	if (err)
 		return;
 
-	extent.e_pblk = parse_ulong(argv[3], argv[0], "logical block", &err);
+	err = strtoblk(argv[0], argv[3], &extent.e_pblk);
 	if (err)
 		return;
 
@@ -338,8 +338,7 @@ void do_insert_node(int argc, char *argv[])
 		return;
 	}
 
-	extent.e_lblk = parse_ulong(argv[1], cmd,
-				    "logical block", &err);
+	err = strtoblk(cmd, argv[1], &extent.e_lblk);
 	if (err)
 		return;
 
@@ -348,8 +347,7 @@ void do_insert_node(int argc, char *argv[])
 	if (err)
 		return;
 
-	extent.e_pblk = parse_ulong(argv[3], cmd,
-				    "pysical block", &err);
+	err = strtoblk(cmd, argv[3], &extent.e_pblk);
 	if (err)
 		return;
 
@@ -366,8 +364,8 @@ void do_set_bmap(int argc, char **argv)
 	const char	*usage = "[--uninit] <lblk> <pblk>";
 	struct ext2fs_extent extent;
 	errcode_t	retval;
-	blk_t		logical;
-	blk_t		physical;
+	blk64_t		logical;
+	blk64_t		physical;
 	char		*cmd = argv[0];
 	int		flags = 0;
 	int		err;
@@ -387,18 +385,16 @@ void do_set_bmap(int argc, char **argv)
 		return;
 	}
 
-	logical = parse_ulong(argv[1], cmd,
-				    "logical block", &err);
+	err = strtoblk(cmd, argv[1], &logical);
 	if (err)
 		return;
 
-	physical = parse_ulong(argv[2], cmd,
-				    "physical block", &err);
+	err = strtoblk(cmd, argv[2], &physical);
 	if (err)
 		return;
 
 	retval = ext2fs_extent_set_bmap(current_handle, logical,
-					(blk64_t) physical, flags);
+					physical, flags);
 	if (retval) {
 		com_err(cmd, retval, 0);
 		return;
diff --git a/debugfs/util.c b/debugfs/util.c
index cf3a6c64..09088e07 100644
--- a/debugfs/util.c
+++ b/debugfs/util.c
@@ -377,7 +377,7 @@ int common_block_args_process(int argc, char *argv[],
 	}
 
 	if (argc > 2) {
-		*count = parse_ulong(argv[2], argv[0], "count", &err);
+		err = strtoblk(argv[0], argv[2], count);
 		if (err)
 			return 1;
 	}