Support get_advise command to get i_advise field value and info
in file.
For example:
f2fs_io get_advise /mnt/f2fs/foo.so
i_advise=0x11, advise_type: cold keep_size
Signed-off-by: Chao Yu <c...@kernel.org>
---
man/f2fs_io.8 | 3 +++
tools/f2fs_io/f2fs_io.c | 41 +++++++++++++++++++++++++++++++++++++++++
tools/f2fs_io/f2fs_io.h | 6 ++++++
3 files changed, 50 insertions(+)
diff --git a/man/f2fs_io.8 b/man/f2fs_io.8
index ecaab02..f097bde 100644
--- a/man/f2fs_io.8
+++ b/man/f2fs_io.8
@@ -171,6 +171,9 @@ Move a range of data blocks from source file to destination
file
.TP
\fBgc_range\fR \fI[sync_mode] [start in 4kb] [length in 4kb] [file]\fR
Trigger gc to move data blocks from specified address range
+.TP
+\fBget_advise\fR \fI[file]\fR
+Get i_advise value and info in 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 7059cbf..b8e4f02 100644
--- a/tools/f2fs_io/f2fs_io.c
+++ b/tools/f2fs_io/f2fs_io.c
@@ -1743,6 +1743,46 @@ static void do_lseek(int argc, char **argv, const struct
cmd_desc *cmd)
exit(0);
}
+#define get_advise_desc "get_advise"
+#define get_advise_help "f2fs_io get_advise [file_path]\n\n"
+
+static void do_get_advise(int argc, char **argv, const struct cmd_desc *cmd)
+{
+ int ret;
+ unsigned char value;
+
+ if (argc != 2) {
+ fputs("Excess arguments\n\n", stderr);
+ fputs(cmd->cmd_help, stderr);
+ exit(1);
+ }
+
+ ret = getxattr(argv[1], F2FS_SYSTEM_ADVISE_NAME, &value, sizeof(value));
+ if (ret != sizeof(value)) {
+ perror("getxattr");
+ exit(1);
+ }
+
+ printf("i_advise=0x%x, advise_type: ", value);
+ if (value & FADVISE_COLD_BIT)
+ printf("cold ");
+ if (value & FADVISE_LOST_PINO_BIT)
+ printf("lost_pino ");
+ if (value & FADVISE_ENCRYPT_BIT)
+ printf("encrypt ");
+ if (value & FADVISE_ENC_NAME_BIT)
+ printf("enc_name ");
+ if (value & FADVISE_KEEP_SIZE_BIT)
+ printf("keep_size ");
+ if (value & FADVISE_HOT_BIT)
+ printf("hot ");
+ if (value & FADVISE_VERITY_BIT)
+ printf("verity ");
+ if (value & FADVISE_TRUNC_BIT)
+ printf("trunc ");
+ printf("\n");
+}
+
#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 }
@@ -1786,6 +1826,7 @@ const struct cmd_desc cmd_list[] = {
CMD(setxattr),
CMD(removexattr),
CMD(lseek),
+ CMD(get_advise),
{ NULL, NULL, NULL, NULL, 0 }
};
diff --git a/tools/f2fs_io/f2fs_io.h b/tools/f2fs_io/f2fs_io.h
index d2641cb..b5c82f5 100644
--- a/tools/f2fs_io/f2fs_io.h
+++ b/tools/f2fs_io/f2fs_io.h
@@ -169,7 +169,13 @@ struct fscrypt_get_policy_ex_arg {
#define F2FS_SYSTEM_ADVISE_NAME "system.advise"
#define FADVISE_COLD_BIT 0x01
+#define FADVISE_LOST_PINO_BIT 0x02
+#define FADVISE_ENCRYPT_BIT 0x04
+#define FADVISE_ENC_NAME_BIT 0x08
+#define FADVISE_KEEP_SIZE_BIT 0x10
#define FADVISE_HOT_BIT 0x20
+#define FADVISE_VERITY_BIT 0x40
+#define FADVISE_TRUNC_BIT 0x80
#ifndef FS_IMMUTABLE_FL
#define FS_IMMUTABLE_FL 0x00000010 /* Immutable file */
--
2.40.1
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