Attachment 257481 Details for Bug 352841 – Patch to add the "df" functionality

[patch] Patch to add the "df" functionality

352841.try1.patch (text/plain), 9.47 KB, created by Robert Peterson on 2007-11-13 22:22:11 UTC

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Creator: Robert Peterson

Created: 2007-11-13 22:22:11 UTC

Size: 9.47 KB

patch

obsolete

>? man/gfs2_jadd.8.349601
>? man/gfs2_tool.8.349601
>? tool/gfs2_tool.h.argh
>Index: man/gfs2_tool.8
>===================================================================
>RCS file: /cvs/cluster/cluster/gfs2/man/gfs2_tool.8,v
>retrieving revision 1.6
>diff -w -u -p -p -u -r1.6 gfs2_tool.8
>--- man/gfs2_tool.8	7 Nov 2007 21:14:50 -0000	1.6
>+++ man/gfs2_tool.8	13 Nov 2007 22:20:13 -0000
>@@ -21,10 +21,10 @@ Clear an attribute flag on a file. See \
> \fBcounters\fP \fIMountPoint\fR [-c]
> Print out statistics about a filesystem.  If -c is used, gfs2_tool continues
> to run printing out the stats once a second.
>-.\".TP
>-.\"\fBdf\fP \fIMountPoint\fR 
>-.\"Print out a space usage summary of a given filesystem.  The information
>-.\"printed is more detailed than a standard "df".
>+.TP
>+\fBdf\fP \fIMountPoint\fR 
>+Print out a space usage summary of a given filesystem.  The information
>+printed is more detailed than a standard "df".
> .\".TP
> .\"\fBflush\fP \fIFile\fR
> .\"Sync out any dirty data for a file and drop its lock.
>Index: tool/df.c
>===================================================================
>RCS file: /cvs/cluster/cluster/gfs2/tool/df.c,v
>retrieving revision 1.8
>diff -w -u -p -p -u -r1.8 df.c
>--- tool/df.c	25 Oct 2007 14:14:33 -0000	1.8
>+++ tool/df.c	13 Nov 2007 22:20:13 -0000
>@@ -33,7 +33,6 @@
> 
> #define SIZE (65536)
> 
>-#if GFS2_TOOL_FEATURE_IMPLEMENTED
> /**
>  * do_df_one - print out information about one filesystem
>  * @path: the path to the filesystem
>@@ -43,98 +42,72 @@
> static void
> do_df_one(char *path)
> {
>-	struct gfs2_ioctl gi;
>-	/* char stat_gfs2[SIZE]; */
>-	/* unsigned int percentage; */
>-	struct gfs2_sb sb;
>-	struct gfs2_dinode ji, ri;
>+	unsigned int percentage;
> 	unsigned int journals = 0;
> 	uint64_t rgrps;
> 	unsigned int flags;
>-	char *fs, *value;
>- 	int error;
>+	char *value, *fs;
>+ 	int x, statfs_fd;
>+	uint64_t max_block;
> 	struct gfs2_sbd sbd;
>+	char buf[GFS2_DEFAULT_BSIZE], statfs_fn[PATH_MAX];
>+	struct gfs2_statfs_change sc;
> 
>+	memset(&sbd, 0, sizeof(struct gfs2_sbd));
> 	sbd.path_name = path;
> 	check_for_gfs2(&sbd);
>+	fs = mp2fsname(sbd.path_name);
> 
>-	sbd.device_fd = open(path, O_RDONLY);
>+	sbd.device_fd = open(sbd.device_name, O_RDONLY);
> 	if (sbd.device_fd < 0)
> 		die("can't open %s: %s\n", path, strerror(errno));
> 
>-	fs = mp2fsname(path);
>+	sbd.bsize = GFS2_DEFAULT_BSIZE;
>+	sbd.jsize = GFS2_DEFAULT_JSIZE;
>+	sbd.rgsize = GFS2_DEFAULT_RGSIZE;
>+	sbd.utsize = GFS2_DEFAULT_UTSIZE;
>+	sbd.qcsize = GFS2_DEFAULT_QCSIZE;
>+	osi_list_init(&sbd.rglist);
>+	osi_list_init(&sbd.buf_list);
>+	for (x = 0; x < BUF_HASH_SIZE; x++)
>+		osi_list_init(&sbd.buf_hash[x]);
>+	do_lseek(sbd.device_fd, 0x10 * sbd.bsize);
>+	do_read(sbd.device_fd, buf, sbd.bsize); /* read in the superblock */
>+
>+	compute_constants(&sbd);
>+	gfs2_sb_in(&sbd.sd_sb, buf); /* parse it out into the sb structure */
> 
>-	/*
>-	strncpy(stat_gfs2, __get_sysfs(fs, "statfs"), SIZE);
>-	stat_gfs2[SIZE - 1] = '\0';
>-	*/
>+	max_block = lseek(sbd.device_fd, 0, SEEK_END) / sbd.sd_sb.sb_bsize;
> 
>-	{
>-		char *argv[] = { "get_super" };
>-
>-		gi.gi_argc = 1;
>-		gi.gi_argv = argv;
>-		gi.gi_data = (char *)&sb;
>-		gi.gi_size = sizeof(struct gfs2_sb);
>-
>-		error = ioctl(sbd.device_fd, GFS2_IOCTL_SUPER, &gi);
>-		if (error != gi.gi_size)
>-			die("error doing get_super (%d): %s\n",
>-			    error, strerror(errno));
>-	}
>-	{
>-		char *argv[] = { "get_hfile_stat",
>-				 "jindex" };
>-
>-		gi.gi_argc = 2;
>-		gi.gi_argv = argv;
>-		gi.gi_data = (char *)&ji;
>-		gi.gi_size = sizeof(struct gfs2_dinode);
>-
>-		error = ioctl(sbd.device_fd, GFS2_IOCTL_SUPER, &gi);
>-		if (error != gi.gi_size)
>-			die("error doing get_hfile_stat for jindex (%d): %s\n",
>-			    error, strerror(errno));
>-	}
>-	{
>-		char *argv[] = { "get_hfile_stat",
>-				 "rindex" };
>-
>-		gi.gi_argc = 2;
>-		gi.gi_argv = argv;
>-		gi.gi_data = (char *)&ri;
>-		gi.gi_size = sizeof(struct gfs2_dinode);
>-
>-		error = ioctl(sbd.device_fd, GFS2_IOCTL_SUPER, &gi);
>-		if (error != gi.gi_size)
>-			die("error doing get_hfile_stat for rindex (%d): %s\n",
>-			    error, strerror(errno));
>-	}
>+	sbd.master_dir = gfs2_load_inode(&sbd,
>+					 sbd.sd_sb.sb_master_dir.no_addr);
> 
>+	gfs2_lookupi(sbd.master_dir, "rindex", 6, &sbd.md.riinode);
>+	gfs2_lookupi(sbd.master_dir, "jindex", 6, &sbd.md.jiinode);
> 	close(sbd.device_fd);
> 
>-	journals = ji.di_entries - 2;
>+	journals = sbd.md.jiinode->i_di.di_entries - 2;
> 
>-	rgrps = ri.di_size;
>+	rgrps = sbd.md.riinode->i_di.di_size;
> 	if (rgrps % sizeof(struct gfs2_rindex))
> 		die("bad rindex size\n");
> 	rgrps /= sizeof(struct gfs2_rindex);
> 
> 
> 	printf("%s:\n", path);
>-	printf("  SB lock proto = \"%s\"\n", sb.sb_lockproto);
>-	printf("  SB lock table = \"%s\"\n", sb.sb_locktable);
>-	printf("  SB ondisk format = %u\n", sb.sb_fs_format);
>-	printf("  SB multihost format = %u\n", sb.sb_multihost_format);
>-	printf("  Block size = %u\n", sb.sb_bsize);
>+	printf("  SB lock proto = \"%s\"\n", sbd.sd_sb.sb_lockproto);
>+	printf("  SB lock table = \"%s\"\n", sbd.sd_sb.sb_locktable);
>+	printf("  SB ondisk format = %u\n", sbd.sd_sb.sb_fs_format);
>+	printf("  SB multihost format = %u\n", sbd.sd_sb.sb_multihost_format);
>+	printf("  Block size = %u\n", sbd.sd_sb.sb_bsize);
> 	printf("  Journals = %u\n", journals);
> 	printf("  Resource Groups = %"PRIu64"\n", rgrps);
> 	printf("  Mounted lock proto = \"%s\"\n",
>-	       ((value = get_sysfs(fs, "args/lockproto"))[0]) ? value :
>-	       sb.sb_lockproto);
>+	       ((value = get_sysfs(fs, "args/lockproto"))[0])
>+	       ? value : sbd.sd_sb.sb_lockproto);
> 	printf("  Mounted lock table = \"%s\"\n",
>-	       ((value = get_sysfs(fs, "args/locktable"))[0]) ? value :
>-	       sb.sb_locktable);
>+	       ((value = get_sysfs(fs, "args/locktable"))[0])
>+	       ? value : sbd.sd_sb.sb_locktable);
> 	printf("  Mounted host data = \"%s\"\n",
> 	       get_sysfs(fs, "args/hostdata"));
> 	printf("  Journal number = %s\n", get_sysfs(fs, "lockstruct/jid"));
>@@ -142,34 +115,39 @@ do_df_one(char *path)
> 	printf("  Lock module flags = %x", flags);
> 	printf("\n");
> 	printf("  Local flocks = %s\n",
>-	       (get_sysfs_uint(fs, "args/localflocks")) ? "TRUE" : "FALSE");
>+	       (get_sysfs_uint(fs, "args/localflocks")) ?
>+	       "TRUE" : "FALSE");
> 	printf("  Local caching = %s\n",
>-		(get_sysfs_uint(fs, "args/localcaching")) ? "TRUE" : "FALSE");
>-#if 0
>+		(get_sysfs_uint(fs, "args/localcaching")) ?
>+	       "TRUE" : "FALSE");
>+	/* Read the master statfs file */
>+	if (!find_gfs2_meta(&sbd))
>+		mount_gfs2_meta(&sbd);
>+
>+	sprintf(statfs_fn, "%s/statfs", sbd.metafs_path);
>+	statfs_fd = open(statfs_fn, O_RDONLY);
>+	do_read(statfs_fd, buf, sizeof(struct gfs2_statfs_change));
>+	gfs2_statfs_change_in(&sc, (char *)&buf);
>+
>+	close(statfs_fd);
>+
>+	cleanup_metafs(&sbd);
>+
> 	printf("\n");
> 	printf("  %-15s%-15s%-15s%-15s%-15s\n", "Type", "Total", "Used", "Free", "use%");
> 	printf("  ------------------------------------------------------------------------\n");
> 
>-	percentage = (name2u64(stat_gfs2, "total")) ?
>-		(100.0 * (name2u64(stat_gfs2, "total") - name2u64(stat_gfs2, "free")) /
>-		 name2u64(stat_gfs2, "total") + 0.5) : 0;
>-	printf("  %-15s%-15"PRIu64"%-15"PRIu64"%-15"PRIu64"%u%%\n",
>-	       "data",
>-	       name2u64(stat_gfs2, "total"),
>-	       name2u64(stat_gfs2, "total") - name2u64(stat_gfs2, "free"),
>-	       name2u64(stat_gfs2, "free"),
>-	       percentage);
>-
>-	percentage = (name2u64(stat_gfs2, "dinodes") + name2u64(stat_gfs2, "free")) ?
>-		(100.0 * name2u64(stat_gfs2, "dinodes") /
>-		 (name2u64(stat_gfs2, "dinodes") + name2u64(stat_gfs2, "free")) + 0.5) : 0;
>-	printf("  %-15s%-15"PRIu64"%-15"PRIu64"%-15"PRIu64"%u%%\n",
>-	       "inodes",
>-	       name2u64(stat_gfs2, "dinodes") + name2u64(stat_gfs2, "free"),
>-	       name2u64(stat_gfs2, "dinodes"),
>-	       name2u64(stat_gfs2, "free"),
>-	       percentage);
>-#endif
>+	percentage = sc.sc_total ?
>+		(100.0 * (sc.sc_total - sc.sc_free)) / sc.sc_total + 0.5 : 0;
>+	printf("  %-15s%-15llu%-15llu%-15llu%u%%\n", "data",
>+	       sc.sc_total, sc.sc_total - sc.sc_free, sc.sc_free, percentage);
>+
>+	percentage = (sc.sc_dinodes + sc.sc_free) ?
>+		(100.0 * sc.sc_dinodes / (sc.sc_dinodes + sc.sc_free)) + 0.5 :
>+		0;
>+	printf("  %-15s%-15llu%-15llu%-15llu%u%%\n", "inodes",
>+	       sc.sc_dinodes + sc.sc_free, sc.sc_dinodes,
>+	       sc.sc_free, percentage);
> }
> 
> 
>@@ -220,4 +198,3 @@ print_df(int argc, char **argv)
> 		fclose(file);
> 	}
> }
>-#endif /* #if GFS2_TOOL_FEATURE_IMPLEMENTED */
>Index: tool/main.c
>===================================================================
>RCS file: /cvs/cluster/cluster/gfs2/tool/main.c,v
>retrieving revision 1.8
>diff -w -u -p -p -u -r1.8 main.c
>--- tool/main.c	13 Nov 2007 17:03:41 -0000	1.8
>+++ tool/main.c	13 Nov 2007 22:20:13 -0000
>@@ -90,10 +90,10 @@ static const char *usage[] = {
> 	"\n",
> 	"Withdraw this machine from participating in a filesystem:\n",
> 	"  gfs2_tool withdraw <mountpoint>\n",
>-#if GFS2_TOOL_FEATURE_IMPLEMENTED
> 	"\n",
> 	"Do a GFS2 specific \"df\"\n",
> 	"  gfs2_tool df <mountpoint>\n",
>+#if GFS2_TOOL_FEATURE_IMPLEMENTED
> 	"\n",
> 	"Force files from a machine's cache\n",
> 	"  gfs2_tool flush <filenames>\n",
>@@ -233,6 +233,8 @@ main(int argc, char *argv[])
> 		set_flag(argc, argv);
> 	else if (strcmp(action, "counters") == 0)
> 		print_counters(argc, argv);
>+	else if (strcmp(action, "df") == 0)
>+		print_df(argc, argv);
> 	else if (strcmp(action, "freeze") == 0)
> 		do_freeze(argc, argv);
> 	else if (strcmp(action, "getargs") == 0)
>@@ -266,8 +268,6 @@ main(int argc, char *argv[])
> 		do_file_flush(argc, argv);
> 	else if (strcmp(action, "getsb") == 0)
> 		print_sb(argc, argv);
>-	else if (strcmp(action, "df") == 0)
>-		print_df(argc, argv);
> 	else if (strcmp(action, "jindex") == 0)
> 		print_jindex(argc, argv);
> 	else if (strcmp(action, "layout") == 0)

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Attachments on bug 352841: 257481 | 258441