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| author | Yangtao Li <frank.li@vivo.com> | 2023-04-14 16:47:28 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2023-04-14 13:00:13 -0700 |
| commit | 23ef5f5d831a16132dc1ad86eb73dc6281c92708 (patch) | |
| tree | 6f887fc529b1c4ca7d8f180b8d42e72a3a68f541 | |
| parent | f001b4d3d3ba5dc5e6048656a693c86b1877e300 (diff) | |
| download | f2fs-tools-23ef5f5d831a16132dc1ad86eb73dc6281c92708.tar.gz | |
f2fs_io: support precache_extents command
This patch supports a new sub-command 'precache_extents' in f2fs_io
to trigger precache extents via F2FS_IOC_PRECACHE_EXTENTS ioctl.
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
| -rw-r--r-- | man/f2fs_io.8 | 2 | ||||
| -rw-r--r-- | tools/f2fs_io/f2fs_io.c | 23 |
2 files changed, 25 insertions, 0 deletions
diff --git a/man/f2fs_io.8 b/man/f2fs_io.8 index f1a48ca..13d4bf3 100644 --- a/man/f2fs_io.8 +++ b/man/f2fs_io.8 @@ -138,6 +138,8 @@ Trigger filesystem GC .TP \fBcheckpoint\fR \fI[file]\fR Trigger filesystem checkpoint +\fBprecache_extents\fR \fI[file]\fR +Trigger precache extents .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 8378bb5..ac7b588 100644 --- a/tools/f2fs_io/f2fs_io.c +++ b/tools/f2fs_io/f2fs_io.c @@ -1334,6 +1334,28 @@ static void do_checkpoint(int argc, char **argv, const struct cmd_desc *cmd) exit(0); } +#define precache_extents_desc "trigger precache extents" +#define precache_extents_help "f2fs_io precache_extents [file_path]\n\n" + +static void do_precache_extents(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_PRECACHE_EXTENTS); + if (ret < 0) + die_errno("F2FS_IOC_PRECACHE_EXTENTS failed"); + + printf("trigger precache extents ret=%d\n", ret); + exit(0); +} #define CMD_HIDDEN 0x0001 #define CMD(name) { #name, do_##name, name##_desc, name##_help, 0 } @@ -1368,6 +1390,7 @@ const struct cmd_desc cmd_list[] = { CMD(rename), CMD(gc), CMD(checkpoint), + CMD(precache_extents), { NULL, NULL, NULL, NULL, 0 } }; |