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Diffstat (limited to 'fs/nilfs2/super.c')
-rw-r--r--fs/nilfs2/super.c20
1 files changed, 1 insertions, 19 deletions
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 922263393c7..f3b75206e95 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -45,7 +45,6 @@
#include <linux/parser.h>
#include <linux/random.h>
#include <linux/crc32.h>
-#include <linux/smp_lock.h>
#include <linux/vfs.h>
#include <linux/writeback.h>
#include <linux/kobject.h>
@@ -178,17 +177,9 @@ static int nilfs_sync_super(struct nilfs_sb_info *sbi, int flag)
retry:
set_buffer_dirty(nilfs->ns_sbh[0]);
-
if (nilfs_test_opt(sbi, BARRIER)) {
err = __sync_dirty_buffer(nilfs->ns_sbh[0],
- WRITE_SYNC | WRITE_BARRIER);
- if (err == -EOPNOTSUPP) {
- nilfs_warning(sbi->s_super, __func__,
- "barrier-based sync failed. "
- "disabling barriers\n");
- nilfs_clear_opt(sbi, BARRIER);
- goto retry;
- }
+ WRITE_SYNC | WRITE_FLUSH_FUA);
} else {
err = sync_dirty_buffer(nilfs->ns_sbh[0]);
}
@@ -342,8 +333,6 @@ static void nilfs_put_super(struct super_block *sb)
struct nilfs_sb_info *sbi = NILFS_SB(sb);
struct the_nilfs *nilfs = sbi->s_nilfs;
- lock_kernel();
-
nilfs_detach_segment_constructor(sbi);
if (!(sb->s_flags & MS_RDONLY)) {
@@ -361,8 +350,6 @@ static void nilfs_put_super(struct super_block *sb)
sbi->s_super = NULL;
sb->s_fs_info = NULL;
nilfs_put_sbinfo(sbi);
-
- unlock_kernel();
}
static int nilfs_sync_fs(struct super_block *sb, int wait)
@@ -949,8 +936,6 @@ static int nilfs_remount(struct super_block *sb, int *flags, char *data)
struct nilfs_mount_options old_opts;
int was_snapshot, err;
- lock_kernel();
-
down_write(&nilfs->ns_super_sem);
old_sb_flags = sb->s_flags;
old_opts.mount_opt = sbi->s_mount_opt;
@@ -1024,7 +1009,6 @@ static int nilfs_remount(struct super_block *sb, int *flags, char *data)
}
out:
up_write(&nilfs->ns_super_sem);
- unlock_kernel();
return 0;
restore_opts:
@@ -1032,7 +1016,6 @@ static int nilfs_remount(struct super_block *sb, int *flags, char *data)
sbi->s_mount_opt = old_opts.mount_opt;
sbi->s_snapshot_cno = old_opts.snapshot_cno;
up_write(&nilfs->ns_super_sem);
- unlock_kernel();
return err;
}
@@ -1205,7 +1188,6 @@ nilfs_get_sb(struct file_system_type *fs_type, int flags,
put_nilfs(nilfs);
failed:
close_bdev_exclusive(sd.bdev, mode);
-
return err;
cancel_new: