Btrfs-progs: rearrange files in the repo

Separate every command group into its own file (cmds_<group>.c) and
rearrange includes.  Remove btrfs_cmds.c.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

1 files changed, 214 insertions, 0 deletions

diff --git a/cmds-inspect.c b/cmds-inspect.c
new file mode 100644
index 00000000..ca42d7f5
--- /dev/null
+++ b/cmds-inspect.c
@@ -0,0 +1,214 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License v2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 021110-1307, USA.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <errno.h>
+
+#include "kerncompat.h"
+#include "ioctl.h"
+
+#include "btrfs_cmds.h"
+
+/* btrfs-list.c */
+char *path_for_root(int fd, u64 root);
+
+static int __ino_to_path_fd(u64 inum, int fd, int verbose, const char *prepend)
+{
+	int ret;
+	int i;
+	struct btrfs_ioctl_ino_path_args ipa;
+	struct btrfs_data_container *fspath;
+
+	fspath = malloc(4096);
+	if (!fspath)
+		return 1;
+
+	ipa.inum = inum;
+	ipa.size = 4096;
+	ipa.fspath = (u64)fspath;
+
+	ret = ioctl(fd, BTRFS_IOC_INO_PATHS, &ipa);
+	if (ret) {
+		printf("ioctl ret=%d, error: %s\n", ret, strerror(errno));
+		goto out;
+	}
+
+	if (verbose)
+		printf("ioctl ret=%d, bytes_left=%lu, bytes_missing=%lu, "
+			"cnt=%d, missed=%d\n", ret,
+			(unsigned long)fspath->bytes_left,
+			(unsigned long)fspath->bytes_missing,
+			fspath->elem_cnt, fspath->elem_missed);
+
+	for (i = 0; i < fspath->elem_cnt; ++i) {
+		char **str = (char **)fspath->val;
+		str[i] += (unsigned long)fspath->val;
+		if (prepend)
+			printf("%s/%s\n", prepend, str[i]);
+		else
+			printf("%s\n", str[i]);
+	}
+
+out:
+	free(fspath);
+	return ret;
+}
+
+int do_ino_to_path(int nargs, char **argv)
+{
+	int fd;
+	int verbose = 0;
+
+	optind = 1;
+	while (1) {
+		int c = getopt(nargs, argv, "v");
+		if (c < 0)
+			break;
+		switch (c) {
+		case 'v':
+			verbose = 1;
+			break;
+		default:
+			fprintf(stderr, "invalid arguments for ipath\n");
+			return 1;
+		}
+	}
+	if (nargs - optind != 2) {
+		fprintf(stderr, "invalid arguments for ipath\n");
+		return 1;
+	}
+
+	fd = open_file_or_dir(argv[optind+1]);
+	if (fd < 0) {
+		fprintf(stderr, "ERROR: can't access '%s'\n", argv[optind+1]);
+		return 12;
+	}
+
+	return __ino_to_path_fd(atoll(argv[optind]), fd, verbose,
+				argv[optind+1]);
+}
+
+int do_logical_to_ino(int nargs, char **argv)
+{
+	int ret;
+	int fd;
+	int i;
+	int verbose = 0;
+	int getpath = 1;
+	int bytes_left;
+	struct btrfs_ioctl_logical_ino_args loi;
+	struct btrfs_data_container *inodes;
+	char full_path[4096];
+	char *path_ptr;
+
+	optind = 1;
+	while (1) {
+		int c = getopt(nargs, argv, "Pv");
+		if (c < 0)
+			break;
+		switch (c) {
+		case 'P':
+			getpath = 0;
+			break;
+		case 'v':
+			verbose = 1;
+			break;
+		default:
+			fprintf(stderr, "invalid arguments for ipath\n");
+			return 1;
+		}
+	}
+	if (nargs - optind != 2) {
+		fprintf(stderr, "invalid arguments for ipath\n");
+		return 1;
+	}
+
+	inodes = malloc(4096);
+	if (!inodes)
+		return 1;
+
+	loi.logical = atoll(argv[optind]);
+	loi.size = 4096;
+	loi.inodes = (u64)inodes;
+
+	fd = open_file_or_dir(argv[optind+1]);
+	if (fd < 0) {
+		fprintf(stderr, "ERROR: can't access '%s'\n", argv[optind+1]);
+		ret = 12;
+		goto out;
+	}
+
+	ret = ioctl(fd, BTRFS_IOC_LOGICAL_INO, &loi);
+	if (ret) {
+		printf("ioctl ret=%d, error: %s\n", ret, strerror(errno));
+		goto out;
+	}
+
+	if (verbose)
+		printf("ioctl ret=%d, bytes_left=%lu, bytes_missing=%lu, "
+			"cnt=%d, missed=%d\n", ret,
+			(unsigned long)inodes->bytes_left,
+			(unsigned long)inodes->bytes_missing,
+			inodes->elem_cnt, inodes->elem_missed);
+
+	bytes_left = sizeof(full_path);
+	ret = snprintf(full_path, bytes_left, "%s/", argv[optind+1]);
+	path_ptr = full_path + ret;
+	bytes_left -= ret + 1;
+	BUG_ON(bytes_left < 0);
+
+	for (i = 0; i < inodes->elem_cnt; i += 3) {
+		u64 inum = inodes->val[i];
+		u64 offset = inodes->val[i+1];
+		u64 root = inodes->val[i+2];
+		int path_fd;
+		char *name;
+
+		if (getpath) {
+			name = path_for_root(fd, root);
+			if (IS_ERR(name))
+				return PTR_ERR(name);
+			if (!name) {
+				path_ptr[-1] = '\0';
+				path_fd = fd;
+			} else {
+				path_ptr[-1] = '/';
+				ret = snprintf(path_ptr, bytes_left, "%s",
+						name);
+				BUG_ON(ret >= bytes_left);
+				free(name);
+				path_fd = open_file_or_dir(full_path);
+				if (path_fd < 0) {
+					fprintf(stderr, "ERROR: can't access "
+						"'%s'\n", full_path);
+					goto out;
+				}
+			}
+			__ino_to_path_fd(inum, path_fd, verbose, full_path);
+		} else {
+			printf("inode %llu offset %llu root %llu\n", inum,
+				offset, root);
+		}
+	}
+
+out:
+	free(inodes);
+	return ret;
+}
+