summaryrefslogtreecommitdiffstats
path: root/fs/f2fs/super.c
diff options
context:
space:
mode:
authorJaegeuk Kim <jaegeuk@kernel.org>2018-05-25 18:02:58 -0700
committerJaegeuk Kim <jaegeuk@kernel.org>2018-05-29 12:04:08 -0700
commitd6290814b018aa9a81163b4c806935b315041833 (patch)
treeaa4a5b75437e501032d8e8fbc6409f7cb0a9929a /fs/f2fs/super.c
parent9a997188ff7ab2110c6fefa85977d1aa8005ae77 (diff)
downloadtalos-obmc-linux-d6290814b018aa9a81163b4c806935b315041833.tar.gz
talos-obmc-linux-d6290814b018aa9a81163b4c806935b315041833.zip
f2fs: add fsync_mode=nobarrier for non-atomic files
For non-atomic files, this patch adds an option to give nobarrier which doesn't issue flush commands to the device. Reviewed-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/super.c')
-rw-r--r--fs/f2fs/super.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index f31643718c76..c724347eed42 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -740,6 +740,10 @@ static int parse_options(struct super_block *sb, char *options)
} else if (strlen(name) == 6 &&
!strncmp(name, "strict", 6)) {
F2FS_OPTION(sbi).fsync_mode = FSYNC_MODE_STRICT;
+ } else if (strlen(name) == 9 &&
+ !strncmp(name, "nobarrier", 9)) {
+ F2FS_OPTION(sbi).fsync_mode =
+ FSYNC_MODE_NOBARRIER;
} else {
kfree(name);
return -EINVAL;
OpenPOWER on IntegriCloud