nilfs2: Using nobarrier option instead of barrier=off
Since most of fs using nofoobar style option,
modified barrier=off option as nobarrier.
Signed-off-by: Jiro SEKIBA <jir@unicus.jp>
Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
diff --git a/Documentation/filesystems/nilfs2.txt b/Documentation/filesystems/nilfs2.txt
index 01539f4..cbd8779 100644
--- a/Documentation/filesystems/nilfs2.txt
+++ b/Documentation/filesystems/nilfs2.txt
@@ -49,8 +49,7 @@
NILFS2 supports the following mount options:
(*) == default
-barrier=on(*) This enables/disables barriers. barrier=off disables
- it, barrier=on enables it.
+nobarrier Disables barriers.
errors=continue(*) Keep going on a filesystem error.
errors=remount-ro Remount the filesystem read-only on an error.
errors=panic Panic and halt the machine if an error occurs.
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 644e667..02dcbb0 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -490,7 +490,7 @@
struct nilfs_sb_info *sbi = NILFS_SB(sb);
if (!nilfs_test_opt(sbi, BARRIER))
- seq_printf(seq, ",barrier=off");
+ seq_printf(seq, ",nobarrier");
if (nilfs_test_opt(sbi, SNAPSHOT))
seq_printf(seq, ",cp=%llu",
(unsigned long long int)sbi->s_snapshot_cno);
@@ -568,7 +568,7 @@
enum {
Opt_err_cont, Opt_err_panic, Opt_err_ro,
- Opt_barrier, Opt_snapshot, Opt_order,
+ Opt_nobarrier, Opt_snapshot, Opt_order,
Opt_err,
};
@@ -576,7 +576,7 @@
{Opt_err_cont, "errors=continue"},
{Opt_err_panic, "errors=panic"},
{Opt_err_ro, "errors=remount-ro"},
- {Opt_barrier, "barrier=%s"},
+ {Opt_nobarrier, "nobarrier"},
{Opt_snapshot, "cp=%u"},
{Opt_order, "order=%s"},
{Opt_err, NULL}
@@ -612,13 +612,8 @@
token = match_token(p, tokens, args);
switch (token) {
- case Opt_barrier:
- if (match_bool(&args[0], &option))
- return 0;
- if (option)
- nilfs_set_opt(sbi, BARRIER);
- else
- nilfs_clear_opt(sbi, BARRIER);
+ case Opt_nobarrier:
+ nilfs_clear_opt(sbi, BARRIER);
break;
case Opt_order:
if (strcmp(args[0].from, "relaxed") == 0)