[f2fs-dev] [PATCH] f2fs_io: support unset subcommand for pinfile

[Chao Yu <chao@kernel.org>]

This patch adds unset subcommand for pinfile command.

Usage: f2fs_io pinfile unset [target_file]

Signed-off-by: Chao Yu <chao@kernel.org>
---
 man/f2fs_io.8           |  2 +-
 tools/f2fs_io/f2fs_io.c | 11 +++++++++--
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/man/f2fs_io.8 b/man/f2fs_io.8
index f097bde..b9c9dc8 100644
--- a/man/f2fs_io.8
+++ b/man/f2fs_io.8
@@ -44,7 +44,7 @@ going down with metadata flush
 going down with fsck mark
 .RE
 .TP
-\fBpinfile\fR \fI[get|set] [file]\fR
+\fBpinfile\fR \fI[get|set|unset] [file]\fR
 Get or set the pinning status on a file.
 .TP
 \fBfadvise\fR \fI[advice] [offset] [length] [file]\fR
diff --git a/tools/f2fs_io/f2fs_io.c b/tools/f2fs_io/f2fs_io.c
index b8e4f02..a7b593a 100644
--- a/tools/f2fs_io/f2fs_io.c
+++ b/tools/f2fs_io/f2fs_io.c
@@ -442,7 +442,7 @@ static void do_fadvise(int argc, char **argv, const struct cmd_desc *cmd)
 
 #define pinfile_desc "pin file control"
 #define pinfile_help						\
-"f2fs_io pinfile [get|set] [file]\n\n"			\
+"f2fs_io pinfile [get|set|unset] [file]\n\n"			\
 "get/set pinning given the file\n"				\
 
 static void do_pinfile(int argc, char **argv, const struct cmd_desc *cmd)
@@ -464,7 +464,14 @@ static void do_pinfile(int argc, char **argv, const struct cmd_desc *cmd)
 		ret = ioctl(fd, F2FS_IOC_SET_PIN_FILE, &pin);
 		if (ret != 0)
 			die_errno("F2FS_IOC_SET_PIN_FILE failed");
-		printf("set_pin_file: %u blocks moved in %s\n", ret, argv[2]);
+		printf("%s pinfile: %u blocks moved in %s\n",
+					argv[1], ret, argv[2]);
+	} else if (!strcmp(argv[1], "unset")) {
+		pin = 0;
+		ret = ioctl(fd, F2FS_IOC_SET_PIN_FILE, &pin);
+		if (ret != 0)
+			die_errno("F2FS_IOC_SET_PIN_FILE failed");
+		printf("%s pinfile in %s\n", argv[1], argv[2]);
 	} else if (!strcmp(argv[1], "get")) {
 		unsigned int flags;
 
-- 
2.40.1



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