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Date: Thu, 17 Nov 2011 16:12:44 -0500
From: Theodore Ts'o <tytso@....edu>
To: Ext4 Developers List <linux-ext4@...r.kernel.org>
Cc: Theodore Ts'o <tytso@....edu>
Subject: [PATCH 2/2] debugfs: fix gcc -Wall complaints
Signed-off-by: "Theodore Ts'o" <tytso@....edu>
---
debugfs/debugfs.c | 8 +++---
debugfs/debugfs.h | 3 ++
debugfs/filefrag.c | 2 +-
debugfs/set_fields.c | 55 ++++++++++++++++++++++++++-----------------------
misc/e2freefrag.c | 44 +++++++++++++++++++++------------------
5 files changed, 61 insertions(+), 51 deletions(-)
diff --git a/debugfs/debugfs.c b/debugfs/debugfs.c
index fda8d92..5751004 100644
--- a/debugfs/debugfs.c
+++ b/debugfs/debugfs.c
@@ -284,7 +284,6 @@ void do_init_filesys(int argc, char **argv)
root = cwd = EXT2_ROOT_INO;
return;
}
-#endif /* READ_ONLY */
static void print_features(struct ext2_super_block * s, FILE *f)
{
@@ -304,6 +303,7 @@ static void print_features(struct ext2_super_block * s, FILE *f)
fputs("(none)", f);
fputs("\n", f);
}
+#endif /* READ_ONLY */
static void print_bg_opts(ext2_filsys fs, dgrp_t group, int mask,
const char *str, int *first, FILE *f)
@@ -933,7 +933,7 @@ void do_dump_extents(int argc, char **argv)
static int print_blocks_proc(ext2_filsys fs EXT2FS_ATTR((unused)),
blk64_t *blocknr,
- e2_blkcnt_t blockcnt,
+ e2_blkcnt_t blockcnt EXT2FS_ATTR((unused)),
blk64_t ref_block EXT2FS_ATTR((unused)),
int ref_offset EXT2FS_ATTR((unused)),
void *private EXT2FS_ATTR((unused)))
@@ -1286,6 +1286,7 @@ void do_print_working_directory(int argc, char *argv[])
return;
}
+#ifndef READ_ONLY
/*
* Given a mode, return the ext2 file type
*/
@@ -1315,7 +1316,6 @@ static int ext2_file_type(unsigned int mode)
return 0;
}
-#ifndef READ_ONLY
static void make_link(char *sourcename, char *destname)
{
ext2_ino_t ino;
@@ -2190,7 +2190,7 @@ void do_punch(int argc, char *argv[])
}
#endif /* READ_ONLY */
-void do_dump_mmp(int argc, char *argv[])
+void do_dump_mmp(int argc EXT2FS_ATTR((unused)), char *argv[])
{
struct ext2_super_block *sb;
struct mmp_struct *mmp_s;
diff --git a/debugfs/debugfs.h b/debugfs/debugfs.h
index 0afa1df..eb044b1 100644
--- a/debugfs/debugfs.h
+++ b/debugfs/debugfs.h
@@ -133,5 +133,8 @@ extern void do_set_current_time(int argc, char **argv);
extern void do_supported_features(int argc, char **argv);
extern void do_punch(int argc, char **argv);
+extern void do_dump_mmp(int argc, char **argv);
+extern void do_set_mmp_value(int argc, char **argv);
+
extern void do_freefrag(int argc, char **argv);
extern void do_filefrag(int argc, char *argv[]);
diff --git a/debugfs/filefrag.c b/debugfs/filefrag.c
index 30933b6..7f28bc0 100644
--- a/debugfs/filefrag.c
+++ b/debugfs/filefrag.c
@@ -271,7 +271,7 @@ void do_filefrag(int argc, char *argv[])
return;
reset_getopt();
- while ((c = getopt (argc, argv, "dvr")) != EOF) {
+ while ((c = getopt(argc, argv, "dvr")) != EOF) {
switch (c) {
case 'd':
fs.options |= DIR_OPT;
diff --git a/debugfs/set_fields.c b/debugfs/set_fields.c
index 0041160..08bfd8d 100644
--- a/debugfs/set_fields.c
+++ b/debugfs/set_fields.c
@@ -44,6 +44,7 @@ static struct ext2_super_block set_sb;
static struct ext2_inode_large set_inode;
static struct ext2_group_desc set_gd;
static struct ext4_group_desc set_gd4;
+static struct mmp_struct set_mmp;
static dgrp_t set_bg;
static ext2_ino_t set_ino;
static int array_idx;
@@ -68,6 +69,8 @@ static errcode_t parse_hashalg(struct field_set_info *info, char *field, char *a
static errcode_t parse_time(struct field_set_info *info, char *field, char *arg);
static errcode_t parse_bmap(struct field_set_info *info, char *field, char *arg);
static errcode_t parse_gd_csum(struct field_set_info *info, char *field, char *arg);
+static errcode_t parse_mmp_clear(struct field_set_info *info, char *field,
+ char *arg);
static struct field_set_info super_fields[] = {
{ "inodes_count", &set_sb.s_inodes_count, NULL, 4, parse_uint },
@@ -242,8 +245,17 @@ static struct field_set_info ext4_bg_fields[] = {
{ 0, 0, 0, 0 }
};
-/* forward declaration */
-static struct field_set_info mmp_fields[];
+static struct field_set_info mmp_fields[] = {
+ { "clear", &set_mmp.mmp_magic, NULL, sizeof(set_mmp), parse_mmp_clear },
+ { "magic", &set_mmp.mmp_magic, NULL, 4, parse_uint },
+ { "seq", &set_mmp.mmp_seq, NULL, 4, parse_uint },
+ { "time", &set_mmp.mmp_time, NULL, 8, parse_uint },
+ { "nodename", &set_mmp.mmp_nodename, NULL, sizeof(set_mmp.mmp_nodename),
+ parse_string },
+ { "bdevname", &set_mmp.mmp_bdevname, NULL, sizeof(set_mmp.mmp_bdevname),
+ parse_string },
+ { "check_interval", &set_mmp.mmp_check_interval, NULL, 2, parse_uint },
+};
static int check_suffix(const char *field)
{
@@ -412,7 +424,8 @@ static errcode_t parse_uint(struct field_set_info *info, char *field,
return 0;
}
-static errcode_t parse_int(struct field_set_info *info, char *field, char *arg)
+static errcode_t parse_int(struct field_set_info *info,
+ char *field EXT2FS_ATTR((unused)), char *arg)
{
long num;
char *tmp;
@@ -443,8 +456,8 @@ static errcode_t parse_int(struct field_set_info *info, char *field, char *arg)
return 0;
}
-static errcode_t parse_string(struct field_set_info *info, char *field,
- char *arg)
+static errcode_t parse_string(struct field_set_info *info,
+ char *field EXT2FS_ATTR((unused)), char *arg)
{
char *cp = (char *) info->ptr;
@@ -457,7 +470,8 @@ static errcode_t parse_string(struct field_set_info *info, char *field,
return 0;
}
-static errcode_t parse_time(struct field_set_info *info, char *field, char *arg)
+static errcode_t parse_time(struct field_set_info *info,
+ char *field EXT2FS_ATTR((unused)), char *arg)
{
time_t t;
__u32 *ptr32;
@@ -475,7 +489,8 @@ static errcode_t parse_time(struct field_set_info *info, char *field, char *arg)
return 0;
}
-static errcode_t parse_uuid(struct field_set_info *info, char *field, char *arg)
+static errcode_t parse_uuid(struct field_set_info *info,
+ char *field EXT2FS_ATTR((unused)), char *arg)
{
unsigned char * p = (unsigned char *) info->ptr;
@@ -493,8 +508,8 @@ static errcode_t parse_uuid(struct field_set_info *info, char *field, char *arg)
return 0;
}
-static errcode_t parse_hashalg(struct field_set_info *info, char *field,
- char *arg)
+static errcode_t parse_hashalg(struct field_set_info *info,
+ char *field EXT2FS_ATTR((unused)), char *arg)
{
int hashv;
unsigned char *p = (unsigned char *) info->ptr;
@@ -508,8 +523,8 @@ static errcode_t parse_hashalg(struct field_set_info *info, char *field,
return 0;
}
-static errcode_t parse_bmap(struct field_set_info *info, char *field,
- char *arg)
+static errcode_t parse_bmap(struct field_set_info *info,
+ char *field EXT2FS_ATTR((unused)), char *arg)
{
unsigned long num;
blk_t blk;
@@ -733,8 +748,9 @@ void do_set_block_group_descriptor(int argc, char *argv[])
}
}
-static errcode_t parse_mmp_clear(struct field_set_info *info, char *field,
- char *arg)
+static errcode_t parse_mmp_clear(struct field_set_info *info,
+ char *field EXT2FS_ATTR((unused)),
+ char *arg EXT2FS_ATTR((unused)))
{
errcode_t retval;
@@ -747,19 +763,6 @@ static errcode_t parse_mmp_clear(struct field_set_info *info, char *field,
return 1; /* we don't need the MMP block written again */
}
-struct mmp_struct set_mmp;
-static struct field_set_info mmp_fields[] = {
- { "clear", &set_mmp.mmp_magic, NULL, sizeof(set_mmp), parse_mmp_clear },
- { "magic", &set_mmp.mmp_magic, NULL, 4, parse_uint },
- { "seq", &set_mmp.mmp_seq, NULL, 4, parse_uint },
- { "time", &set_mmp.mmp_time, NULL, 8, parse_uint },
- { "nodename", &set_mmp.mmp_nodename, NULL, sizeof(set_mmp.mmp_nodename),
- parse_string },
- { "bdevname", &set_mmp.mmp_bdevname, NULL, sizeof(set_mmp.mmp_bdevname),
- parse_string },
- { "check_interval", &set_mmp.mmp_check_interval, NULL, 2, parse_uint },
-};
-
void do_set_mmp_value(int argc, char *argv[])
{
const char *usage = "<field> <value>\n"
diff --git a/misc/e2freefrag.c b/misc/e2freefrag.c
index 0964e66..30af43e 100644
--- a/misc/e2freefrag.c
+++ b/misc/e2freefrag.c
@@ -30,7 +30,7 @@ extern int optind;
#include "ext2fs/ext2fs.h"
#include "e2freefrag.h"
-void usage(const char *prog)
+static void usage(const char *prog)
{
fprintf(stderr, "usage: %s [-c chunksize in kb] [-h] "
"device_name\n", prog);
@@ -51,7 +51,7 @@ static int ul_log2(unsigned long arg)
return l;
}
-void init_chunk_info(ext2_filsys fs, struct chunk_info *info)
+static void init_chunk_info(ext2_filsys fs, struct chunk_info *info)
{
int i;
@@ -74,15 +74,16 @@ void init_chunk_info(ext2_filsys fs, struct chunk_info *info)
}
}
-void update_chunk_stats(struct chunk_info *info, unsigned long chunk_size)
+static void update_chunk_stats(struct chunk_info *info,
+ unsigned long chunk_size)
{
- unsigned long index;
+ unsigned long idx;
- index = ul_log2(chunk_size) + 1;
- if (index >= MAX_HIST)
- index = MAX_HIST-1;
- info->histogram.fc_chunks[index]++;
- info->histogram.fc_blocks[index] += chunk_size;
+ idx = ul_log2(chunk_size) + 1;
+ if (idx >= MAX_HIST)
+ idx = MAX_HIST-1;
+ info->histogram.fc_chunks[idx]++;
+ info->histogram.fc_blocks[idx] += chunk_size;
if (chunk_size > info->max)
info->max = chunk_size;
@@ -92,7 +93,7 @@ void update_chunk_stats(struct chunk_info *info, unsigned long chunk_size)
info->real_free_chunks++;
}
-void scan_block_bitmap(ext2_filsys fs, struct chunk_info *info)
+static void scan_block_bitmap(ext2_filsys fs, struct chunk_info *info)
{
unsigned long long blocks_count = ext2fs_blocks_count(fs->super);
unsigned long long chunks = (blocks_count + info->blks_in_chunk) >>
@@ -142,10 +143,11 @@ void scan_block_bitmap(ext2_filsys fs, struct chunk_info *info)
update_chunk_stats(info, last_chunk_size);
}
-errcode_t get_chunk_info(ext2_filsys fs, struct chunk_info *info, FILE *f)
+static errcode_t get_chunk_info(ext2_filsys fs, struct chunk_info *info,
+ FILE *f)
{
unsigned long total_chunks;
- char *unitp = "KMGTPEZY";
+ const char *unitp = "KMGTPEZY";
int units = 10;
unsigned long start = 0, end;
int i, retval = 0;
@@ -211,7 +213,7 @@ errcode_t get_chunk_info(ext2_filsys fs, struct chunk_info *info, FILE *f)
return retval;
}
-void close_device(char *device_name, ext2_filsys fs)
+static void close_device(char *device_name, ext2_filsys fs)
{
int retval = ext2fs_close(fs);
@@ -219,7 +221,7 @@ void close_device(char *device_name, ext2_filsys fs)
com_err(device_name, retval, "while closing the filesystem.\n");
}
-void collect_info(ext2_filsys fs, struct chunk_info *chunk_info, FILE *f)
+static void collect_info(ext2_filsys fs, struct chunk_info *chunk_info, FILE *f)
{
unsigned int retval = 0;
@@ -243,7 +245,8 @@ void collect_info(ext2_filsys fs, struct chunk_info *chunk_info, FILE *f)
}
}
-void open_device(char *device_name, ext2_filsys *fs)
+#ifndef DEBUGFS
+static void open_device(char *device_name, ext2_filsys *fs)
{
int retval;
int flag = EXT2_FLAG_FORCE;
@@ -254,9 +257,9 @@ void open_device(char *device_name, ext2_filsys *fs)
exit(1);
}
}
+#endif
#ifdef DEBUGFS
-
#include "debugfs.h"
void do_freefrag(int argc, char **argv)
@@ -264,10 +267,8 @@ void do_freefrag(int argc, char **argv)
int main(int argc, char *argv[])
#endif
{
- struct chunk_info chunk_info = { };
- errcode_t retval = 0;
+ struct chunk_info chunk_info;
ext2_filsys fs = NULL;
- char *device_name;
char *progname;
char *end;
int c;
@@ -276,9 +277,12 @@ int main(int argc, char *argv[])
if (check_fs_open(argv[0]))
return;
#else
+ char *device_name;
+
add_error_table(&et_ext2_error_table);
#endif
progname = argv[0];
+ memset(&chunk_info, 0, sizeof(chunk_info));
while ((c = getopt(argc, argv, "c:h")) != EOF) {
switch (c) {
@@ -326,6 +330,6 @@ int main(int argc, char *argv[])
#ifndef DEBUGFS
close_device(device_name, fs);
- return retval;
+ return 0;
#endif
}
--
1.7.4.1.22.gec8e1.dirty
--
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