File 0147-btrfs-progs-add-original-df-and-rename-disk_usage-to.patch of Package btrfsprogs.356
From 84bd55c9cf1770c5cbcfbbe3c91bf13c8d75d0d4 Mon Sep 17 00:00:00 2001
From: David Sterba <dsterba@suse.cz>
Date: Wed, 23 Apr 2014 18:47:52 +0200
Subject: [PATCH 147/303] btrfs-progs: add original 'df' and rename
'disk_usage' to 'usage'
Add back the original output of the 'btrfs fi df' command for backward
compatibility. The rich output is moved from 'disk_usage' to 'usage'.
Agreed in http://www.spinics.net/lists/linux-btrfs/msg31698.html
Signed-off-by: David Sterba <dsterba@suse.cz>
---
cmds-fi-disk_usage.c | 85 ++++++++++------------------------------------------
cmds-fi-disk_usage.h | 7 ++---
cmds-filesystem.c | 16 ++++------
3 files changed, 24 insertions(+), 84 deletions(-)
diff --git a/cmds-fi-disk_usage.c b/cmds-fi-disk_usage.c
index 9fd59bc1b5ae..683d6fb36de4 100644
--- a/cmds-fi-disk_usage.c
+++ b/cmds-fi-disk_usage.c
@@ -328,6 +328,8 @@ static struct btrfs_ioctl_space_args *load_space_info(int fd, char *path)
return sargs;
}
+/* Not used, keep for later */
+#if 0
/*
* This function computes the space occuped by a *single* RAID5/RAID6 chunk.
* The computation is performed on the basis of the number of stripes
@@ -465,62 +467,7 @@ exit:
return ret;
}
-
-const char * const cmd_filesystem_df_usage[] = {
- "btrfs filesystem df [-b] <path> [<path>..]",
- "Show space usage information for a mount point(s).",
- "",
- "-b\tSet byte as unit",
- NULL
-};
-
-int cmd_filesystem_df(int argc, char **argv)
-{
-
- int flags = DF_HUMAN_UNIT;
- int i, more_than_one = 0;
-
- optind = 1;
- while (1) {
- char c = getopt(argc, argv, "b");
- if (c < 0)
- break;
-
- switch (c) {
- case 'b':
- flags &= ~DF_HUMAN_UNIT;
- break;
- default:
- usage(cmd_filesystem_df_usage);
- }
- }
-
- if (check_argc_min(argc - optind, 1))
- usage(cmd_filesystem_df_usage);
-
- for (i = optind; i < argc ; i++) {
- int r, fd;
- DIR *dirstream = NULL;
- if (more_than_one)
- printf("\n");
-
- fd = open_file_or_dir(argv[i], &dirstream);
- if (fd < 0) {
- fprintf(stderr, "ERROR: can't access to '%s'\n",
- argv[1]);
- return 12;
- }
- r = _cmd_disk_free(fd, argv[i], flags);
- close_file_or_dir(fd, dirstream);
-
- if (r)
- return r;
- more_than_one = 1;
-
- }
-
- return 0;
-}
+#endif
/*
* Helper to sort the disk_info structure
@@ -612,10 +559,10 @@ static u64 calc_chunk_size(struct chunk_info *ci)
}
/*
- * This function print the results of the command btrfs fi disk-usage
+ * This function print the results of the command "btrfs fi usage"
* in tabular format
*/
-static void _cmd_filesystem_disk_usage_tabular(int mode,
+static void _cmd_filesystem_usage_tabular(int mode,
struct btrfs_ioctl_space_args *sargs,
struct chunk_info *chunks_info_ptr,
int chunks_info_count,
@@ -795,10 +742,10 @@ static void print_chunk_disks(u64 chunk_type,
}
/*
- * This function print the results of the command btrfs fi disk-usage
+ * This function print the results of the command "btrfs fi usage"
* in linear format
*/
-static void _cmd_filesystem_disk_usage_linear(int mode,
+static void _cmd_filesystem_usage_linear(int mode,
struct btrfs_ioctl_space_args *sargs,
struct chunk_info *info_ptr,
int info_count,
@@ -839,7 +786,7 @@ static void _cmd_filesystem_disk_usage_linear(int mode,
}
-static int _cmd_filesystem_disk_usage(int fd, char *path, int mode, int tabular)
+static int _cmd_filesystem_usage(int fd, char *path, int mode, int tabular)
{
struct btrfs_ioctl_space_args *sargs = 0;
int info_count = 0;
@@ -860,11 +807,11 @@ static int _cmd_filesystem_disk_usage(int fd, char *path, int mode, int tabular)
}
if (tabular)
- _cmd_filesystem_disk_usage_tabular(mode, sargs,
+ _cmd_filesystem_usage_tabular(mode, sargs,
info_ptr, info_count,
disks_info_ptr, disks_info_count);
else
- _cmd_filesystem_disk_usage_linear(mode, sargs,
+ _cmd_filesystem_usage_linear(mode, sargs,
info_ptr, info_count,
disks_info_ptr, disks_info_count);
@@ -880,8 +827,8 @@ exit:
return ret;
}
-const char * const cmd_filesystem_disk_usage_usage[] = {
- "btrfs filesystem disk-usage [-b][-t] <path> [<path>..]",
+const char * const cmd_filesystem_usage_usage[] = {
+ "btrfs filesystem usage [-b][-t] <path> [<path>..]",
"Show in which disk the chunks are allocated.",
"",
"-b\tSet byte as unit",
@@ -889,7 +836,7 @@ const char * const cmd_filesystem_disk_usage_usage[] = {
NULL
};
-int cmd_filesystem_disk_usage(int argc, char **argv)
+int cmd_filesystem_usage(int argc, char **argv)
{
int flags = DF_HUMAN_UNIT;
@@ -909,12 +856,12 @@ int cmd_filesystem_disk_usage(int argc, char **argv)
tabular = 1;
break;
default:
- usage(cmd_filesystem_disk_usage_usage);
+ usage(cmd_filesystem_usage_usage);
}
}
if (check_argc_min(argc - optind, 1))
- usage(cmd_filesystem_disk_usage_usage);
+ usage(cmd_filesystem_usage_usage);
for (i = optind; i < argc ; i++) {
int r, fd;
@@ -928,7 +875,7 @@ int cmd_filesystem_disk_usage(int argc, char **argv)
argv[1]);
return 12;
}
- r = _cmd_filesystem_disk_usage(fd, argv[i], flags, tabular);
+ r = _cmd_filesystem_usage(fd, argv[i], flags, tabular);
close_file_or_dir(fd, dirstream);
if (r)
diff --git a/cmds-fi-disk_usage.h b/cmds-fi-disk_usage.h
index c315004cd806..95cf4aabefb4 100644
--- a/cmds-fi-disk_usage.h
+++ b/cmds-fi-disk_usage.h
@@ -19,11 +19,8 @@
#ifndef __CMDS_FI_DISK_USAGE__
#define __CMDS_FI_DISK_USAGE__
-extern const char * const cmd_filesystem_df_usage[];
-int cmd_filesystem_df(int argc, char **argv);
-
-extern const char * const cmd_filesystem_disk_usage_usage[];
-int cmd_filesystem_disk_usage(int argc, char **argv);
+extern const char * const cmd_filesystem_usage_usage[];
+int cmd_filesystem_usage(int argc, char **argv);
extern const char * const cmd_device_disk_usage_usage[];
int cmd_device_disk_usage(int argc, char **argv);
diff --git a/cmds-filesystem.c b/cmds-filesystem.c
index 3f349ed6036d..0bf24ffb39cb 100644
--- a/cmds-filesystem.c
+++ b/cmds-filesystem.c
@@ -122,8 +122,7 @@ static const char * const filesystem_cmd_group_usage[] = {
NULL
};
-#if 0
-static const char * const cmd_df_usage[] = {
+static const char * const cmd_filesystem_df_usage[] = {
"btrfs filesystem df [options] <path>",
"Show space usage information for a mount point",
"-b|--raw raw numbers in bytes",
@@ -137,7 +136,6 @@ static const char * const cmd_df_usage[] = {
"-t|--tbytes show sizes in TiB, or TB with --si",
NULL
};
-#endif
static int get_df(int fd, struct btrfs_ioctl_space_args **sargs_ret)
{
@@ -187,7 +185,6 @@ static int get_df(int fd, struct btrfs_ioctl_space_args **sargs_ret)
return 0;
}
-#if 0
static void print_df(struct btrfs_ioctl_space_args *sargs, unsigned unit_mode)
{
u64 i;
@@ -202,7 +199,7 @@ static void print_df(struct btrfs_ioctl_space_args *sargs, unsigned unit_mode)
}
}
-static int cmd_df(int argc, char **argv)
+static int cmd_filesystem_df(int argc, char **argv)
{
struct btrfs_ioctl_space_args *sargs = NULL;
int ret;
@@ -255,12 +252,12 @@ static int cmd_df(int argc, char **argv)
units_set_mode(&unit_mode, UNITS_BINARY);
break;
default:
- usage(cmd_df_usage);
+ usage(cmd_filesystem_df_usage);
}
}
if (check_argc_exact(argc, optind + 1))
- usage(cmd_df_usage);
+ usage(cmd_filesystem_df_usage);
path = argv[optind];
@@ -281,7 +278,6 @@ static int cmd_df(int argc, char **argv)
close_file_or_dir(fd, dirstream);
return !!ret;
}
-#endif
static int match_search_item_kernel(__u8 *fsid, char *mnt, char *label,
char *search)
@@ -1298,8 +1294,8 @@ const struct cmd_group filesystem_cmd_group = {
{ "balance", cmd_balance, NULL, &balance_cmd_group, 1 },
{ "resize", cmd_resize, cmd_resize_usage, NULL, 0 },
{ "label", cmd_label, cmd_label_usage, NULL, 0 },
- { "disk-usage", cmd_filesystem_disk_usage,
- cmd_filesystem_disk_usage_usage, NULL, 0 },
+ { "usage", cmd_filesystem_usage,
+ cmd_filesystem_usage_usage, NULL, 0 },
NULL_CMD_STRUCT
}
--
2.1.3
