5 files changed, 11 insertions, 1 deletions
diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c
index 9d334816eac0..0effc4c95077 100644
--- a/fs/cifs/cifs_debug.c
+++ b/fs/cifs/cifs_debug.c
@@ -116,7 +116,8 @@ static void cifs_debug_tcon(struct seq_file *m, struct cifs_tcon *tcon)
 		tcon->ses->server->ops->dump_share_caps(m, tcon);
 	if (tcon->use_witness)
 		seq_puts(m, " Witness");
-
+	if (tcon->broken_sparse_sup)
+		seq_puts(m, " nosparse");
 	if (tcon->need_reconnect)
 		seq_puts(m, "\tDISCONNECTED ");
 	seq_putc(m, '\n');
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 2b1a1c029c75..f539a39d47f5 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -582,6 +582,8 @@ cifs_show_options(struct seq_file *s, struct dentry *root)
 		seq_puts(s, ",nocase");
 	if (tcon->nodelete)
 		seq_puts(s, ",nodelete");
+	if (cifs_sb->ctx->no_sparse)
+		seq_puts(s, ",nosparse");
 	if (tcon->local_lease)
 		seq_puts(s, ",locallease");
 	if (tcon->retry)
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 0b08693d1af8..1fd8d6a97d7c 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -2509,6 +2509,7 @@ cifs_get_tcon(struct cifs_ses *ses, struct smb3_fs_context *ctx)
 	 */
 	tcon->retry = ctx->retry;
 	tcon->nocase = ctx->nocase;
+	tcon->broken_sparse_sup = ctx->no_sparse;
 	if (ses->server->capabilities & SMB2_GLOBAL_CAP_DIRECTORY_LEASING)
 		tcon->nohandlecache = ctx->nohandlecache;
 	else
diff --git a/fs/cifs/fs_context.c b/fs/cifs/fs_context.c
index a92e9eec521f..ca1d6957a099 100644
--- a/fs/cifs/fs_context.c
+++ b/fs/cifs/fs_context.c
@@ -119,6 +119,7 @@ const struct fs_parameter_spec smb3_fs_parameters[] = {
 	fsparam_flag_no("persistenthandles", Opt_persistent),
 	fsparam_flag_no("resilienthandles", Opt_resilient),
 	fsparam_flag_no("tcpnodelay", Opt_tcp_nodelay),
+	fsparam_flag("nosparse", Opt_nosparse),
 	fsparam_flag("domainauto", Opt_domainauto),
 	fsparam_flag("rdma", Opt_rdma),
 	fsparam_flag("modesid", Opt_modesid),
@@ -943,6 +944,9 @@ static int smb3_fs_context_parse_param(struct fs_context *fc,
 	case Opt_nolease:
 		ctx->no_lease = 1;
 		break;
+	case Opt_nosparse:
+		ctx->no_sparse = 1;
+		break;
 	case Opt_nodelete:
 		ctx->nodelete = 1;
 		break;
diff --git a/fs/cifs/fs_context.h b/fs/cifs/fs_context.h
index e54090d9ef36..6576bb12f5f1 100644
--- a/fs/cifs/fs_context.h
+++ b/fs/cifs/fs_context.h
@@ -62,6 +62,7 @@ enum cifs_param {
 	Opt_noblocksend,
 	Opt_noautotune,
 	Opt_nolease,
+	Opt_nosparse,
 	Opt_hard,
 	Opt_soft,
 	Opt_perm,
@@ -222,6 +223,7 @@ struct smb3_fs_context {
 	bool noautotune:1;
 	bool nostrictsync:1; /* do not force expensive SMBflush on every sync */
 	bool no_lease:1;     /* disable requesting leases */
+	bool no_sparse:1;    /* do not attempt to set files sparse */
 	bool fsc:1;	/* enable fscache */
 	bool mfsymlinks:1; /* use Minshall+French Symlinks */
 	bool multiuser:1;