f2fs-tools: Remove deprecated f2fstat

Let's remove this.

Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

.gitignore

@@ -46,7 +46,6 @@ stamp-h1
 
 /mkfs/mkfs.f2fs
 /fsck/fsck.f2fs
-/tools/f2fstat
 /tools/fibmap.f2fs
 /tools/parse.f2fs
 /tools/f2fscrypt

tools/Makefile.am

@@ -2,11 +2,10 @@
 
 AM_CPPFLAGS = ${libuuid_CFLAGS} -I$(top_srcdir)/include
 AM_CFLAGS = -Wall
-sbin_PROGRAMS = f2fstat
+sbin_PROGRAMS =
 if !WINDOWS
 sbin_PROGRAMS += fibmap.f2fs parse.f2fs
 endif
-f2fstat_SOURCES = f2fstat.c
 fibmap_f2fs_SOURCES = fibmap.c
 parse_f2fs_SOURCES = f2fs_io_parse.c
 

tools/f2fstat.c

@@ -1,311 +0,0 @@
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <fcntl.h>
-#include <libgen.h>
-
-#ifdef DEBUG
-#define dbg(fmt, args...)	printf(fmt, __VA_ARGS__);
-#else
-#define dbg(fmt, args...)
-#endif
-
-/*
- * f2fs status
- */
-#define F2FS_STATUS	"/sys/kernel/debug/f2fs/status"
-
-#define KEY_NODE	0x00000001
-#define KEY_META	0x00000010
-
-unsigned long util;
-unsigned long used_node_blks;
-unsigned long used_data_blks;
-//unsigned long inline_inode;
-
-unsigned long free_segs;
-unsigned long valid_segs;
-unsigned long dirty_segs;
-unsigned long prefree_segs;
-
-unsigned long gc, bg_gc;
-unsigned long cp;
-unsigned long gc_data_blks;
-unsigned long gc_node_blks;
-
-//unsigned long extent_hit_ratio;
-
-unsigned long dirty_node, node_kb;
-unsigned long dirty_dents;
-unsigned long dirty_meta, meta_kb;
-unsigned long nat_caches;
-unsigned long dirty_sit;
-
-unsigned long free_nids;
-
-unsigned long ssr_blks;
-unsigned long lfs_blks;
-unsigned long memory_kb;
-
-struct options {
-	int delay;
-	int interval;
-	char partname[32];
-};
-
-struct mm_table {
-	const char *name;
-	unsigned long *val;
-	int flag;
-};
-
-static int compare_mm_table(const void *a, const void *b)
-{
-	dbg("[COMPARE] %s, %s\n", ((struct mm_table *)a)->name, ((struct mm_table *)b)->name);
-	return strcmp(((struct mm_table *)a)->name, ((struct mm_table *)b)->name);
-}
-
-static inline void remove_newline(char **head)
-{
-again:
-	if (**head == '\n') {
-		*head = *head + 1;
-		goto again;
-	}
-}
-
-void f2fstat(struct options *opt)
-{
-	int fd;
-	int ret;
-	char keyname[32];
-	char buf[4096];
-	struct mm_table key = { keyname, NULL, 0 };
-	struct mm_table *found;
-	int f2fstat_table_cnt;
-	char *head, *tail;
-	int found_cnt = 0;
-
-	static struct mm_table f2fstat_table[] = {
-		{ "  - Data",		&used_data_blks,	0 },
-		{ "  - Dirty",		&dirty_segs,		0 },
-		{ "  - Free",		&free_segs,		0 },
-		{ "  - NATs",		&nat_caches,		0 },
-		{ "  - Node",		&used_node_blks,	0 },
-		{ "  - Prefree",	&prefree_segs,		0 },
-		{ "  - SITs",		&dirty_sit,		0 },
-		{ "  - Valid",		&valid_segs,		0 },
-		{ "  - dents",		&dirty_dents,		0 },
-		{ "  - free_nids",	&free_nids,		0 },
-		{ "  - meta",		&dirty_meta,		KEY_META },
-		{ "  - nodes",		&dirty_node,		KEY_NODE },
-		{ "CP calls",		&cp,			0 },
-		{ "GC calls",		&gc,			0 },
-		{ "LFS",		&lfs_blks,		0 },
-		{ "Memory",		&memory_kb,		0 },
-		{ "SSR",		&ssr_blks,		0 },
-		{ "Utilization",	&util,			0 },
-	};
-
-	f2fstat_table_cnt = sizeof(f2fstat_table)/sizeof(struct mm_table);
-
-	fd = open(F2FS_STATUS, O_RDONLY);
-	if (fd < 0) {
-		perror("open " F2FS_STATUS);
-		exit(EXIT_FAILURE);
-	}
-
-	ret = read(fd, buf, 4096);
-	if (ret < 0) {
-		perror("read " F2FS_STATUS);
-		exit(EXIT_FAILURE);
-	}
-	buf[ret] = '\0';
-
-	head = buf;
-
-	if (opt->partname[0] != '\0') {
-		head = strstr(buf, opt->partname);
-		if (head == NULL)
-			exit(EXIT_FAILURE);
-	}
-
-	for (;;) {
-		remove_newline(&head);
-		tail = strchr(head, ':');
-		if (!tail)
-			break;
-		*tail = '\0';
-		if (strlen(head) >= sizeof(keyname)) {
-			dbg("[OVER] %s\n", head);
-			*tail = ':';
-			tail = strchr(head, '\n');
-			head = tail + 1;
-			continue;
-		}
-
-		strcpy(keyname, head);
-
-		found = bsearch(&key, f2fstat_table, f2fstat_table_cnt, sizeof(struct mm_table), compare_mm_table);
-		dbg("[RESULT] %s (%s)\n", head, (found) ? "O" : "X");
-		head = tail + 1;
-		if (!found)
-			goto nextline;
-
-		*(found->val) = strtoul(head, &tail, 10);
-		if (found->flag) {
-			int npages;
-			tail = strstr(head, "in");
-			head = tail + 2;
-			npages = strtoul(head, &tail, 10);
-			switch (found->flag & (KEY_NODE | KEY_META)) {
-			case KEY_NODE:
-				node_kb = npages * 4;
-				break;
-			case KEY_META:
-				meta_kb = npages * 4;
-				break;
-			}
-		}
-		if (++found_cnt == f2fstat_table_cnt)
-			break;
-nextline:
-		tail = strchr(head, '\n');
-		if (!tail)
-			break;
-		head =  tail + 1;
-	}
-
-	close(fd);
-}
-
-void usage(void)
-{
-	printf("Usage: f2fstat [option]\n"
-			"    -d    delay (secs)\n"
-			"    -i    interval of head info\n"
-			"    -p    partition name (e.g. /dev/sda3)\n");
-	exit(EXIT_FAILURE);
-}
-
-void parse_option(int argc, char *argv[], struct options *opt)
-{
-	int option;
-	const char *option_string = "d:i:p:h";
-
-	while ((option = getopt(argc, argv, option_string)) != EOF) {
-		switch (option) {
-		case 'd':
-			opt->delay = atoi(optarg);
-			break;
-		case 'i':
-			opt->interval = atoi(optarg);
-			break;
-		case 'p':
-			strcpy(opt->partname, basename(optarg));
-			break;
-		default:
-			usage();
-			break;
-		}
-	}
-}
-
-void __make_head(char *head, int index, int i, int len)
-{
-	char name_h[5][20] = {"main segments", "page/slab caches", "cp/gc", "blks", "memory"};
-	int half = (len - strlen(name_h[i])) / 2;
-
-	*(head + index) = '|';
-	index++;
-	memset(head + index, '-', half);
-	index += half;
-	strcpy(head + index, name_h[i]);
-	index += strlen(name_h[i]);
-	memset(head + index, '-', half);
-}
-
-void print_head(char *res)
-{
-	char *ptr, *ptr_buf;
-	char buf[1024], head[1024];
-	char name[20][10] = {"util", "node", "data", "free", "valid", "dirty", "prefree", "node", "dent", "meta",
-		"sit", "nat", "fnid", "cp", "gc", "ssr", "lfs", "total", "node", "meta"};
-	int i, len, prev_index = 0;
-
-	ptr_buf = buf;
-	memset(buf, ' ', 1024);
-	memset(head, ' ', 1024);
-
-	for (i = 0; i < 20; i++) {
-		ptr = (i == 0) ? strtok(res, " ") : strtok(NULL, " ");
-		strcpy(ptr_buf, name[i]);
-		if (i == 1) {
-			prev_index = ptr_buf - buf - 1;
-		} else if (i == 7) {
-			len = (ptr_buf - buf) - 1 - prev_index;
-			__make_head(head, prev_index, 0, len);
-			prev_index = ptr_buf - buf - 1;
-		} else if (i == 13) {
-			len = (ptr_buf - buf) - 1 - prev_index;
-			__make_head(head, prev_index, 1, len);
-			prev_index = ptr_buf - buf - 1;
-		} else if (i == 15) {
-			len = (ptr_buf - buf) - 1 - prev_index;
-			__make_head(head, prev_index, 2, len);
-			prev_index = ptr_buf - buf - 1;
-		} else if (i == 17) {
-			len = (ptr_buf - buf) - 1 - prev_index;
-			__make_head(head, prev_index, 3, len);
-			prev_index = ptr_buf - buf - 1;
-		}
-
-		len = strlen(ptr);
-		ptr_buf += (len > strlen(name[i]) ? len : strlen(name[i])) + 1;
-	}
-
-	len = (ptr_buf - buf) - 1 - prev_index;
-	__make_head(head, prev_index, 4, len);
-
-	*ptr_buf = 0;
-	*(head + (ptr_buf - buf - 1)) = '|';
-	*(head + (ptr_buf - buf)) = 0;
-	fprintf(stderr, "%s\n%s\n", head, buf);
-}
-
-int main(int argc, char *argv[])
-{
-	char format[] = "%4ld %4ld %4ld %4ld %5ld %5ld %7ld %4ld %4ld %4ld %3ld %3ld %4ld %2ld %2ld %3ld %3ld %5ld %4ld %4ld";
-	char buf[1024], tmp[1024];
-	int head_interval;
-	struct options opt = {
-		.delay = 1,
-		.interval = 20,
-		.partname = { 0, },
-	};
-
-	parse_option(argc, argv, &opt);
-	head_interval = opt.interval;
-
-	while (1) {
-		memset(buf, 0, 1024);
-		f2fstat(&opt);
-		sprintf(buf, format, util, used_node_blks, used_data_blks,
-			free_segs, valid_segs, dirty_segs, prefree_segs,
-			dirty_node, dirty_dents, dirty_meta, dirty_sit, nat_caches, free_nids,
-			cp, gc, ssr_blks, lfs_blks, memory_kb, node_kb, meta_kb);
-
-		strcpy(tmp, buf);
-		if (head_interval == opt.interval)
-			print_head(tmp);
-		if (head_interval-- == 0)
-			head_interval = opt.interval;
-
-		fprintf(stderr, "%s\n", buf);
-
-		sleep(opt.delay);
-	}
-
-	return 0;
-}