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authorChao Yu <chao2.yu@samsung.com>2015-12-16 13:12:16 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2015-12-16 09:25:48 -0800
commit343f40f0a70eb7cee9cc8d6fcfbb3917252a5245 (patch)
tree681a63959c5293be0a069beef713108b85a4f726 /fs/f2fs/super.c
parentc227f912732f204c0ec4a577ba812401ac4672af (diff)
downloadlinux-343f40f0a70eb7cee9cc8d6fcfbb3917252a5245.tar.bz2
f2fs: introduce new option for controlling data flush
Add a new option 'data_flush' to enable data flush functionality. Signed-off-by: Chao Yu <chao2.yu@samsung.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/super.c')
-rw-r--r--fs/f2fs/super.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 5b596d6a8d24..c3070c149c0e 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -67,6 +67,7 @@ enum {
Opt_extent_cache,
Opt_noextent_cache,
Opt_noinline_data,
+ Opt_data_flush,
Opt_err,
};
@@ -91,6 +92,7 @@ static match_table_t f2fs_tokens = {
{Opt_extent_cache, "extent_cache"},
{Opt_noextent_cache, "noextent_cache"},
{Opt_noinline_data, "noinline_data"},
+ {Opt_data_flush, "data_flush"},
{Opt_err, NULL},
};
@@ -406,6 +408,9 @@ static int parse_options(struct super_block *sb, char *options)
case Opt_noinline_data:
clear_opt(sbi, INLINE_DATA);
break;
+ case Opt_data_flush:
+ set_opt(sbi, DATA_FLUSH);
+ break;
default:
f2fs_msg(sb, KERN_ERR,
"Unrecognized mount option \"%s\" or missing value",
@@ -687,6 +692,8 @@ static int f2fs_show_options(struct seq_file *seq, struct dentry *root)
seq_puts(seq, ",extent_cache");
else
seq_puts(seq, ",noextent_cache");
+ if (test_opt(sbi, DATA_FLUSH))
+ seq_puts(seq, ",data_flush");
seq_printf(seq, ",active_logs=%u", sbi->active_logs);
return 0;