diff options
Diffstat (limited to 'fs/cifs/smb2ops.c')
| -rw-r--r-- | fs/cifs/smb2ops.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index 8c72e0768d12..3a8c68258026 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -18,12 +18,14 @@ */ #include <linux/pagemap.h> +#include <linux/vfs.h> #include "cifsglob.h" #include "smb2pdu.h" #include "smb2proto.h" #include "cifsproto.h" #include "cifs_debug.h" #include "smb2status.h" +#include "smb2glob.h" static int change_conf(struct TCP_Server_Info *server) @@ -522,6 +524,25 @@ smb2_oplock_response(struct cifs_tcon *tcon, struct cifs_fid *fid, cinode->clientCanCacheRead ? 1 : 0); } +static int +smb2_queryfs(const unsigned int xid, struct cifs_tcon *tcon, + struct kstatfs *buf) +{ + int rc; + u64 persistent_fid, volatile_fid; + __le16 srch_path = 0; /* Null - open root of share */ + u8 oplock = SMB2_OPLOCK_LEVEL_NONE; + + rc = SMB2_open(xid, tcon, &srch_path, &persistent_fid, &volatile_fid, + FILE_READ_ATTRIBUTES, FILE_OPEN, 0, 0, &oplock, NULL); + if (rc) + return rc; + buf->f_type = SMB2_MAGIC_NUMBER; + rc = SMB2_QFS_info(xid, tcon, persistent_fid, volatile_fid, buf); + SMB2_close(xid, tcon, persistent_fid, volatile_fid); + return rc; +} + struct smb_version_operations smb21_operations = { .setup_request = smb2_setup_request, .setup_async_request = smb2_setup_async_request, @@ -578,6 +599,7 @@ struct smb_version_operations smb21_operations = { .calc_smb_size = smb2_calc_size, .is_status_pending = smb2_is_status_pending, .oplock_response = smb2_oplock_response, + .queryfs = smb2_queryfs, }; struct smb_version_values smb21_values = { |