diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 26f87437b2dd..1820f8406978 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -730,6 +730,20 @@ static void cifs_umount_begin(struct super_block *sb) return; } +static int cifs_freeze(struct super_block *sb) +{ + struct cifs_sb_info *cifs_sb = CIFS_SB(sb); + struct cifs_tcon *tcon; + + if (cifs_sb == NULL) + return 0; + + tcon = cifs_sb_master_tcon(cifs_sb); + + cifs_close_all_deferred_files(tcon); + return 0; +} + #ifdef CONFIG_CIFS_STATS2 static int cifs_show_stats(struct seq_file *s, struct dentry *root) { @@ -761,6 +775,7 @@ static const struct super_operations cifs_super_ops = { as opens */ .show_options = cifs_show_options, .umount_begin = cifs_umount_begin, + .freeze_fs = cifs_freeze, #ifdef CONFIG_CIFS_STATS2 .show_stats = cifs_show_stats, #endif