cifs: fix incorrect handling of smb2_set_sparse() return in smb3_simple_falloc
authorRonnie Sahlberg <lsahlber@redhat.com>
Thu, 14 Mar 2019 14:08:48 +0000 (00:08 +1000)
committerSteve French <stfrench@microsoft.com>
Fri, 15 Mar 2019 00:32:36 +0000 (19:32 -0500)
commitf16994797ea89e572b27f41c554aeac6b1c16048
tree6cd28e77b19fbc646d3a8a1e9371fab6e136e095
parentdd0ac2d24bf0b39c0f4f17934a0e1dde2b3a2840
cifs: fix incorrect handling of smb2_set_sparse() return in smb3_simple_falloc

smb2_set_sparse does not return -errno, it returns a boolean where
true means success.
Change this to just ignore the return value just like the other callsites.

Additionally add code to handle the case where we must set the file sparse
and possibly also extending it.

Fixes xfstests: generic/236 generic/350 generic/420

Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
fs/cifs/smb2ops.c