diff options
| author | Ronnie Sahlberg <lsahlber@redhat.com> | 2019-04-25 16:45:29 +1000 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2019-05-07 23:24:55 -0500 |
| commit | 2f3ebaba13cebd8badfb9aed31c0cf3cc82eb4f4 (patch) | |
| tree | cd2e5193de15784d7e50ce1a42d2a55ae8727f5f /fs/cifs/smb2pdu.c | |
| parent | d7bef4c4ebe4a2b1788d0214a08d69518e0de3cc (diff) | |
| download | linux-2f3ebaba13cebd8badfb9aed31c0cf3cc82eb4f4.tar.gz | |
cifs: add fiemap support
Useful for improved copy performance as well as for applications which query allocated ranges of sparse files. Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com> Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/cifs/smb2pdu.c')
| -rw-r--r-- | fs/cifs/smb2pdu.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index a932dccafc5b..634800c0bc06 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -2622,7 +2622,7 @@ SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid, trace_smb3_fsctl_err(xid, persistent_fid, tcon->tid, ses->Suid, 0, opcode, rc); - if ((rc != 0) && (rc != -EINVAL)) { + if ((rc != 0) && (rc != -EINVAL) && (rc != -E2BIG)) { cifs_stats_fail_inc(tcon, SMB2_IOCTL_HE); goto ioctl_exit; } else if (rc == -EINVAL) { @@ -2631,6 +2631,11 @@ SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid, cifs_stats_fail_inc(tcon, SMB2_IOCTL_HE); goto ioctl_exit; } + } else if (rc == -E2BIG) { + if (opcode != FSCTL_QUERY_ALLOCATED_RANGES) { + cifs_stats_fail_inc(tcon, SMB2_IOCTL_HE); + goto ioctl_exit; + } } /* check if caller wants to look at return data or just return rc */ |