[f2fs-dev] [PATCH] f2fs_io: add OSYNC option

* [f2fs-dev] [PATCH] f2fs_io: add OSYNC option
@ 2020-08-14 20:18 Jaegeuk Kim
  2020-08-18  8:57 ` Chao Yu
  0 siblings, 1 reply; 2+ messages in thread
From: Jaegeuk Kim @ 2020-08-14 20:18 UTC (permalink / raw)
  To: linux-f2fs-devel; +Cc: Jaegeuk Kim

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
 tools/f2fs_io/f2fs_io.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/f2fs_io/f2fs_io.c b/tools/f2fs_io/f2fs_io.c
index abb655a..70a077a 100644
--- a/tools/f2fs_io/f2fs_io.c
+++ b/tools/f2fs_io/f2fs_io.c
@@ -424,6 +424,7 @@ static void do_fallocate(int argc, char **argv, const struct cmd_desc *cmd)
 "IO can be\n"						\
 "  buffered : buffered IO\n"				\
 "  dio      : direct IO\n"				\
+"  osync    : O_SYNC\n"					\
 
 static void do_write(int argc, char **argv, const struct cmd_desc *cmd)
 {
@@ -460,6 +461,8 @@ static void do_write(int argc, char **argv, const struct cmd_desc *cmd)
 
 	if (!strcmp(argv[5], "dio"))
 		flags |= O_DIRECT;
+	else if (!strcmp(argv[5], "osync"))
+		flags |= O_SYNC;
 	else if (strcmp(argv[5], "buffered"))
 		die("Wrong IO type");
 
-- 
2.28.0.220.ged08abb693-goog



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