diff options
| author | Chao Yu <chao@kernel.org> | 2023-04-14 11:51:46 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2023-04-14 12:57:16 -0700 |
| commit | f001b4d3d3ba5dc5e6048656a693c86b1877e300 (patch) | |
| tree | 999874d0215d6c2cfd6f4bbafda987399dd0ca0a | |
| parent | 03aa49e4959fc986d87cfa3cef9a8ccd4aabdb74 (diff) | |
| download | f2fs-tools-f001b4d3d3ba5dc5e6048656a693c86b1877e300.tar.gz | |
f2fs_io: support checkpoint command
This patch supports a new sub-command 'checkpoint' in f2fs_io to
trigger filesystem checkpoint via F2FS_IOC_WRITE_CHECKPOINT ioctl.
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
| -rw-r--r-- | man/f2fs_io.8 | 3 | ||||
| -rw-r--r-- | tools/f2fs_io/f2fs_io.c | 25 |
2 files changed, 28 insertions, 0 deletions
diff --git a/man/f2fs_io.8 b/man/f2fs_io.8 index 33789c2..f1a48ca 100644 --- a/man/f2fs_io.8 +++ b/man/f2fs_io.8 @@ -135,6 +135,9 @@ Reserve free blocks to prepare decompressing blocks in the file. .TP \fBgc\fR \fI[sync_mode] [file]\fR Trigger filesystem GC +.TP +\fBcheckpoint\fR \fI[file]\fR +Trigger filesystem checkpoint .SH AUTHOR This version of .B f2fs_io diff --git a/tools/f2fs_io/f2fs_io.c b/tools/f2fs_io/f2fs_io.c index 5bc0baf..8378bb5 100644 --- a/tools/f2fs_io/f2fs_io.c +++ b/tools/f2fs_io/f2fs_io.c @@ -1311,6 +1311,30 @@ static void do_gc(int argc, char **argv, const struct cmd_desc *cmd) exit(0); } +#define checkpoint_desc "trigger filesystem checkpoint" +#define checkpoint_help "f2fs_io checkpoint [file_path]\n\n" + +static void do_checkpoint(int argc, char **argv, const struct cmd_desc *cmd) +{ + int ret, fd; + + if (argc != 2) { + fputs("Excess arguments\n\n", stderr); + fputs(cmd->cmd_help, stderr); + exit(1); + } + + fd = xopen(argv[1], O_WRONLY, 0); + + ret = ioctl(fd, F2FS_IOC_WRITE_CHECKPOINT); + if (ret < 0) + die_errno("F2FS_IOC_WRITE_CHECKPOINT failed"); + + printf("trigger filesystem checkpoint ret=%d\n", ret); + 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 } @@ -1343,6 +1367,7 @@ const struct cmd_desc cmd_list[] = { CMD(get_filename_encrypt_mode), CMD(rename), CMD(gc), + CMD(checkpoint), { NULL, NULL, NULL, NULL, 0 } }; |