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Diffstat (limited to 'fs/ocfs2/super.c')
-rw-r--r--fs/ocfs2/super.c24
1 files changed, 9 insertions, 15 deletions
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 79ff8d9d37e..201b40a441f 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -42,6 +42,7 @@
#include <linux/mount.h>
#include <linux/seq_file.h>
#include <linux/quotaops.h>
+#include <linux/smp_lock.h>
#define MLOG_MASK_PREFIX ML_SUPER
#include <cluster/masklog.h>
@@ -126,7 +127,6 @@ static int ocfs2_get_sector(struct super_block *sb,
struct buffer_head **bh,
int block,
int sect_size);
-static void ocfs2_write_super(struct super_block *sb);
static struct inode *ocfs2_alloc_inode(struct super_block *sb);
static void ocfs2_destroy_inode(struct inode *inode);
static int ocfs2_susp_quotas(struct ocfs2_super *osb, int unsuspend);
@@ -141,7 +141,6 @@ static const struct super_operations ocfs2_sops = {
.clear_inode = ocfs2_clear_inode,
.delete_inode = ocfs2_delete_inode,
.sync_fs = ocfs2_sync_fs,
- .write_super = ocfs2_write_super,
.put_super = ocfs2_put_super,
.remount_fs = ocfs2_remount,
.show_options = ocfs2_show_options,
@@ -365,24 +364,12 @@ static struct file_operations ocfs2_osb_debug_fops = {
.llseek = generic_file_llseek,
};
-/*
- * write_super and sync_fs ripped right out of ext3.
- */
-static void ocfs2_write_super(struct super_block *sb)
-{
- if (mutex_trylock(&sb->s_lock) != 0)
- BUG();
- sb->s_dirt = 0;
-}
-
static int ocfs2_sync_fs(struct super_block *sb, int wait)
{
int status;
tid_t target;
struct ocfs2_super *osb = OCFS2_SB(sb);
- sb->s_dirt = 0;
-
if (ocfs2_is_hard_readonly(osb))
return -EROFS;
@@ -595,6 +582,8 @@ static int ocfs2_remount(struct super_block *sb, int *flags, char *data)
struct mount_options parsed_options;
struct ocfs2_super *osb = OCFS2_SB(sb);
+ lock_kernel();
+
if (!ocfs2_parse_options(sb, data, &parsed_options, 1)) {
ret = -EINVAL;
goto out;
@@ -698,6 +687,7 @@ unlock_osb:
ocfs2_set_journal_params(osb);
}
out:
+ unlock_kernel();
return ret;
}
@@ -713,7 +703,7 @@ static int ocfs2_sb_probe(struct super_block *sb,
*bh = NULL;
/* may be > 512 */
- *sector_size = bdev_hardsect_size(sb->s_bdev);
+ *sector_size = bdev_logical_block_size(sb->s_bdev);
if (*sector_size > OCFS2_MAX_BLOCKSIZE) {
mlog(ML_ERROR, "Hardware sector size too large: %d (max=%d)\n",
*sector_size, OCFS2_MAX_BLOCKSIZE);
@@ -1550,9 +1540,13 @@ static void ocfs2_put_super(struct super_block *sb)
{
mlog_entry("(0x%p)\n", sb);
+ lock_kernel();
+
ocfs2_sync_blockdev(sb);
ocfs2_dismount_volume(sb, 0);
+ unlock_kernel();
+
mlog_exit_void();
}