#include <linux/random.h>
#include <linux/buffer_head.h>
#include <linux/exportfs.h>
-#include <linux/smp_lock.h>
#include <linux/vfs.h>
#include <linux/seq_file.h>
#include <linux/mount.h>
int i;
struct ext2_sb_info *sbi = EXT2_SB(sb);
- lock_kernel();
-
if (sb->s_dirt)
ext2_write_super(sb);
sb->s_fs_info = NULL;
kfree(sbi->s_blockgroup_lock);
kfree(sbi);
-
- unlock_kernel();
}
static struct kmem_cache * ext2_inode_cachep;
struct ext2_sb_info *sbi = EXT2_SB(sb);
struct ext2_super_block *es = EXT2_SB(sb)->s_es;
- lock_kernel();
spin_lock(&sbi->s_lock);
if (es->s_state & cpu_to_le16(EXT2_VALID_FS)) {
ext2_debug("setting valid to 0\n");
}
spin_unlock(&sbi->s_lock);
ext2_sync_super(sb, es, wait);
- unlock_kernel();
-
return 0;
}
unsigned long old_sb_flags;
int err;
- lock_kernel();
spin_lock(&sbi->s_lock);
/* Store the old options */
}
if ((*flags & MS_RDONLY) == (sb->s_flags & MS_RDONLY)) {
spin_unlock(&sbi->s_lock);
- unlock_kernel();
return 0;
}
if (*flags & MS_RDONLY) {
if (le16_to_cpu(es->s_state) & EXT2_VALID_FS ||
!(sbi->s_mount_state & EXT2_VALID_FS)) {
spin_unlock(&sbi->s_lock);
- unlock_kernel();
return 0;
}
/*
spin_unlock(&sbi->s_lock);
ext2_write_super(sb);
}
- unlock_kernel();
return 0;
restore_opts:
sbi->s_mount_opt = old_opts.s_mount_opt;
sbi->s_resgid = old_opts.s_resgid;
sb->s_flags = old_sb_flags;
spin_unlock(&sbi->s_lock);
- unlock_kernel();
return err;
}