| Message ID | 20230504144406.33713-1-frank.li@vivo.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | [f2fs-dev] f2fs_io: support move_range command | expand |
On 2023/5/4 22:44, Yangtao Li wrote: > 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> > --- > man/f2fs_io.8 | 4 ++++ > tools/f2fs_io/f2fs_io.c | 35 +++++++++++++++++++++++++++++++++++ > 2 files changed, 39 insertions(+) > > 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..d545d8e 100644 > --- a/tools/f2fs_io/f2fs_io.c > +++ b/tools/f2fs_io/f2fs_io.c > @@ -1357,6 +1357,40 @@ 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" \ It's better to wrap the long line as below? #define move_range_help \ "f2fs_io move_range [src_path] [dst_path] [src_start] [dst_start] " \ "[length]\n\n" \ Thanks, > +" 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 +1425,7 @@ const struct cmd_desc cmd_list[] = { > CMD(gc), > CMD(checkpoint), > CMD(precache_extents), > + CMD(move_range), > { NULL, NULL, NULL, NULL, 0 } > }; >
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..d545d8e 100644 --- a/tools/f2fs_io/f2fs_io.c +++ b/tools/f2fs_io/f2fs_io.c @@ -1357,6 +1357,40 @@ 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 +1425,7 @@ const struct cmd_desc cmd_list[] = { CMD(gc), CMD(checkpoint), CMD(precache_extents), + CMD(move_range), { NULL, NULL, NULL, NULL, 0 } };
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> --- man/f2fs_io.8 | 4 ++++ tools/f2fs_io/f2fs_io.c | 35 +++++++++++++++++++++++++++++++++++ 2 files changed, 39 insertions(+)