[PATCH 5.17 031/772] cifs: when extending a file with falloc we should make files not-sparse

Greg Kroah-Hartman
2022-06-07T20:19:34Z

From: Ronnie Sahlberg <lsahlber@redhat.com>

commit f66f8b94e7f2f4ac9fffe710be231ca8f25c5057 upstream.

as this is the only way to make sure the region is allocated.
Fix the conditional that was wrong and only tried to make already
non-sparse files non-sparse.

Cc: stable@vger.kernel.org
Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
fs/cifs/smb2ops.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -3808,7 +3808,7 @@ static long smb3_simple_falloc(struct fi
if (rc)
goto out;

- if ((cifsi->cifsAttrs & FILE_ATTRIBUTE_SPARSE_FILE) == 0)
+ if (cifsi->cifsAttrs & FILE_ATTRIBUTE_SPARSE_FILE)
smb2_set_sparse(xid, tcon, cfile, inode, false);

eof = cpu_to_le64(off + len);