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| author | Yangtao Li <frank.li@vivo.com> | 2023-05-06 19:45:36 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2023-05-17 18:24:59 -0700 |
| commit | 6701168961ce2b96e09f65fa69b603cfcdb0eb52 (patch) | |
| tree | d4b148197a3a3d15ce1699600f19bbe828c7202f | |
| parent | 05a4effecfed7997c76630ed03bc4c52b68cb232 (diff) | |
| download | f2fs-tools-6701168961ce2b96e09f65fa69b603cfcdb0eb52.tar.gz | |
f2fs_io: support move_range command
This patch supports a new sub-command 'move_range' in f2fs_io
to move a range of data blocks from source file to destination
file via F2FS_IOC_MOVE_RANGE ioctl.
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
| -rw-r--r-- | man/f2fs_io.8 | 4 | ||||
| -rw-r--r-- | tools/f2fs_io/f2fs_io.c | 36 |
2 files changed, 40 insertions, 0 deletions
diff --git a/man/f2fs_io.8 b/man/f2fs_io.8 index 13d4bf3..b25f807 100644 --- a/man/f2fs_io.8 +++ b/man/f2fs_io.8 @@ -138,8 +138,12 @@ Trigger filesystem GC .TP \fBcheckpoint\fR \fI[file]\fR Trigger filesystem checkpoint +.TP \fBprecache_extents\fR \fI[file]\fR Trigger precache extents +.TP +\fBmove_range\fR \fI[src_path] [dst_path] [src_start] [dst_start] [length]\fR +Move a range of data blocks from source file to destination file .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 ac7b588..126e1f9 100644 --- a/tools/f2fs_io/f2fs_io.c +++ b/tools/f2fs_io/f2fs_io.c @@ -1357,6 +1357,41 @@ static void do_precache_extents(int argc, char **argv, const struct cmd_desc *cm exit(0); } +#define move_range_desc "moving a range of data blocks from source file to destination file" +#define move_range_help \ +"f2fs_io move_range [src_path] [dst_path] [src_start] [dst_start] " \ +"[length]\n\n" \ +" src_path : path to source file\n" \ +" dst_path : path to destination file\n" \ +" src_start : start offset of src file move region, unit: bytes\n" \ +" dst_start : start offset of dst file move region, unit: bytes\n" \ +" length : size to move\n" \ + +static void do_move_range(int argc, char **argv, const struct cmd_desc *cmd) +{ + struct f2fs_move_range range; + int ret, fd; + + if (argc != 6) { + fputs("Excess arguments\n\n", stderr); + fputs(cmd->cmd_help, stderr); + exit(1); + } + + fd = xopen(argv[1], O_RDWR, 0); + range.dst_fd = xopen(argv[2], O_RDWR | O_CREAT, 0644); + range.pos_in = atoi(argv[3]); + range.pos_out = atoi(argv[4]); + range.len = atoi(argv[5]); + + ret = ioctl(fd, F2FS_IOC_MOVE_RANGE, &range); + if (ret < 0) + die_errno("F2FS_IOC_MOVE_RANGE failed"); + + printf("move range 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 } @@ -1391,6 +1426,7 @@ const struct cmd_desc cmd_list[] = { CMD(gc), CMD(checkpoint), CMD(precache_extents), + CMD(move_range), { NULL, NULL, NULL, NULL, 0 } }; |