diff options
Diffstat (limited to 'fs/hfsplus/super.c')
| -rw-r--r-- | fs/hfsplus/super.c | 25 | 
1 files changed, 21 insertions, 4 deletions
diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c index f2a64020f42..9fc3af0c0da 100644 --- a/fs/hfsplus/super.c +++ b/fs/hfsplus/super.c @@ -152,15 +152,14 @@ static void hfsplus_clear_inode(struct inode *inode)  	}  } -static void hfsplus_write_super(struct super_block *sb) +static int hfsplus_sync_fs(struct super_block *sb, int wait)  {  	struct hfsplus_vh *vhdr = HFSPLUS_SB(sb).s_vhdr;  	dprint(DBG_SUPER, "hfsplus_write_super\n"); + +	lock_super(sb);  	sb->s_dirt = 0; -	if (sb->s_flags & MS_RDONLY) -		/* warn? */ -		return;  	vhdr->free_blocks = cpu_to_be32(HFSPLUS_SB(sb).free_blocks);  	vhdr->next_alloc = cpu_to_be32(HFSPLUS_SB(sb).next_alloc); @@ -192,6 +191,16 @@ static void hfsplus_write_super(struct super_block *sb)  		}  		HFSPLUS_SB(sb).flags &= ~HFSPLUS_SB_WRITEBACKUP;  	} +	unlock_super(sb); +	return 0; +} + +static void hfsplus_write_super(struct super_block *sb) +{ +	if (!(sb->s_flags & MS_RDONLY)) +		hfsplus_sync_fs(sb, 1); +	else +		sb->s_dirt = 0;  }  static void hfsplus_put_super(struct super_block *sb) @@ -199,6 +208,11 @@ static void hfsplus_put_super(struct super_block *sb)  	dprint(DBG_SUPER, "hfsplus_put_super\n");  	if (!sb->s_fs_info)  		return; + +	lock_kernel(); + +	if (sb->s_dirt) +		hfsplus_write_super(sb);  	if (!(sb->s_flags & MS_RDONLY) && HFSPLUS_SB(sb).s_vhdr) {  		struct hfsplus_vh *vhdr = HFSPLUS_SB(sb).s_vhdr; @@ -218,6 +232,8 @@ static void hfsplus_put_super(struct super_block *sb)  		unload_nls(HFSPLUS_SB(sb).nls);  	kfree(sb->s_fs_info);  	sb->s_fs_info = NULL; + +	unlock_kernel();  }  static int hfsplus_statfs(struct dentry *dentry, struct kstatfs *buf) @@ -279,6 +295,7 @@ static const struct super_operations hfsplus_sops = {  	.clear_inode	= hfsplus_clear_inode,  	.put_super	= hfsplus_put_super,  	.write_super	= hfsplus_write_super, +	.sync_fs	= hfsplus_sync_fs,  	.statfs		= hfsplus_statfs,  	.remount_fs	= hfsplus_remount,  	.show_options	= hfsplus_show_options,  |