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f2fs_io: add rename w/ fsync option

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commit 8bcb58ec90
category: bugfix
issue: #I6VAS0
CVE: NA

Signed-off-by: DongSenhao <dongsenhao2@huawei.com>
---------------------------------------

e.g., f2fs_io rename source dest 1
      1. open(source)
      2. rename(source, dest)
      3. fsync(source)
      4. close(source)

Signed-off-by: Jaegeuk Kim <jaegeuk@google.com>
Signed-off-by: dongsenhao <dongsenhao2@huawei.com>
This commit is contained in:
Jaegeuk Kim 2021-08-18 15:07:07 -07:00 committed by dongsenhao
parent 32c3ee6915
commit c7ee479e92
1 changed files with 36 additions and 0 deletions
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36
tools/f2fs_io/f2fs_io.c
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@ -1169,6 +1169,41 @@ static void do_get_filename_encrypt_mode (int argc, char **argv,
exit(0);
}
#define rename_desc "rename source to target file with fsync option"
#define rename_help \
"f2fs_io rename [src_path] [target_path] [fsync_after_rename]\n\n" \
"e.g., f2fs_io rename source dest 1\n" \
" 1. open(source)\n" \
" 2. rename(source, dest)\n" \
" 3. fsync(source)\n" \
" 4. close(source)\n"
static void do_rename(int argc, char **argv, const struct cmd_desc *cmd)
{
int fd = -1;
int ret;
if (argc != 4) {
fputs("Excess arguments\n\n", stderr);
fputs(cmd->cmd_help, stderr);
exit(1);
}
if (atoi(argv[3]))
fd = xopen(argv[1], O_WRONLY, 0);
ret = rename(argv[1], argv[2]);
if (ret < 0)
die_errno("rename failed");
if (fd >= 0) {
if (fsync(fd) != 0)
die_errno("fsync failed: %s", argv[1]);
close(fd);
}
exit(0);
}
#define CMD_HIDDEN 0x0001
#define CMD(name) { #name, do_##name, name##_desc, name##_help, 0 }
#define _CMD(name) { #name, do_##name, NULL, NULL, CMD_HIDDEN }
@ -1199,6 +1234,7 @@ const struct cmd_desc cmd_list[] = {
CMD(decompress),
CMD(compress),
CMD(get_filename_encrypt_mode),
CMD(rename),
{ NULL, NULL, NULL, NULL, 0 }
};