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authorRonnie Sahlberg <lsahlber@redhat.com>2018-09-03 13:33:48 +1000
committerSteve French <stfrench@microsoft.com>2018-10-23 21:16:04 -0500
commitdcbf91035709e9b8490bba96995998f48ce85947 (patch)
tree2924dda8d9d40d1ce6970c96e8e4caf44ebb6d14
parentf7bfe04bf0dbc422cbb3d5cffe1601518116dad6 (diff)
downloadlinux-dcbf91035709e9b8490bba96995998f48ce85947.tar.bz2
cifs: change SMB2_OP_SET_INFO to use compounding
Cuts number of network roundtrips significantly for some common syscalls Signed-off-by: Ronnie Sahlberg <lsahlber@redhat.com> Signed-off-by: Steve French <stfrench@microsoft.com>
-rw-r--r--fs/cifs/smb2inode.c35
-rw-r--r--fs/cifs/smb2pdu.c11
-rw-r--r--fs/cifs/smb2proto.h3
3 files changed, 23 insertions, 26 deletions
diff --git a/fs/cifs/smb2inode.c b/fs/cifs/smb2inode.c
index e9794a2adaac..007bd35dc941 100644
--- a/fs/cifs/smb2inode.c
+++ b/fs/cifs/smb2inode.c
@@ -147,6 +147,21 @@ smb2_compound_op(const unsigned int xid, struct cifs_tcon *tcon,
smb2_set_next_command(server, &rqst[num_rqst]);
smb2_set_related(&rqst[num_rqst++]);
break;
+ case SMB2_OP_SET_INFO:
+ memset(&si_iov, 0, sizeof(si_iov));
+ rqst[num_rqst].rq_iov = si_iov;
+ rqst[num_rqst].rq_nvec = 1;
+
+ size[0] = sizeof(FILE_BASIC_INFO);
+ data[0] = ptr;
+
+ rc = SMB2_set_info_init(tcon, &rqst[num_rqst], COMPOUND_FID,
+ COMPOUND_FID, current->tgid,
+ FILE_BASIC_INFORMATION,
+ SMB2_O_INFO_FILE, 0, data, size);
+ smb2_set_next_command(server, &rqst[num_rqst]);
+ smb2_set_related(&rqst[num_rqst++]);
+ break;
default:
cifs_dbg(VFS, "Invalid command\n");
rc = -EINVAL;
@@ -190,8 +205,9 @@ smb2_compound_op(const unsigned int xid, struct cifs_tcon *tcon,
if (rqst[1].rq_iov)
SMB2_close_free(&rqst[1]);
break;
- case SMB2_OP_SET_EOF:
case SMB2_OP_RMDIR:
+ case SMB2_OP_SET_EOF:
+ case SMB2_OP_SET_INFO:
if (rqst[1].rq_iov)
SMB2_set_info_free(&rqst[1]);
if (rqst[2].rq_iov)
@@ -255,11 +271,6 @@ smb2_open_op_close(const unsigned int xid, struct cifs_tcon *tcon,
tmprc = SMB2_set_hardlink(xid, tcon, fid.persistent_fid,
fid.volatile_fid, (__le16 *)data);
break;
- case SMB2_OP_SET_INFO:
- tmprc = SMB2_set_basic_info(xid, tcon, fid.persistent_fid,
- fid.volatile_fid,
- (FILE_BASIC_INFO *)data);
- break;
default:
cifs_dbg(VFS, "Invalid command\n");
break;
@@ -344,9 +355,9 @@ smb2_mkdir_setinfo(struct inode *inode, const char *name,
cifs_i = CIFS_I(inode);
dosattrs = cifs_i->cifsAttrs | ATTR_READONLY;
data.Attributes = cpu_to_le32(dosattrs);
- tmprc = smb2_open_op_close(xid, tcon, cifs_sb, name,
- FILE_WRITE_ATTRIBUTES, FILE_CREATE,
- CREATE_NOT_FILE, &data, SMB2_OP_SET_INFO);
+ tmprc = smb2_compound_op(xid, tcon, cifs_sb, name,
+ FILE_WRITE_ATTRIBUTES, FILE_CREATE,
+ CREATE_NOT_FILE, &data, SMB2_OP_SET_INFO);
if (tmprc == 0)
cifs_i->cifsAttrs = dosattrs;
}
@@ -437,9 +448,9 @@ smb2_set_file_info(struct inode *inode, const char *full_path,
if (IS_ERR(tlink))
return PTR_ERR(tlink);
- rc = smb2_open_op_close(xid, tlink_tcon(tlink), cifs_sb, full_path,
- FILE_WRITE_ATTRIBUTES, FILE_OPEN, 0, buf,
- SMB2_OP_SET_INFO);
+ rc = smb2_compound_op(xid, tlink_tcon(tlink), cifs_sb, full_path,
+ FILE_WRITE_ATTRIBUTES, FILE_OPEN, 0, buf,
+ SMB2_OP_SET_INFO);
cifs_put_tlink(tlink);
return rc;
}
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 8d2efca9814f..29ed580d6629 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -3947,17 +3947,6 @@ SMB2_set_eof(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid,
}
int
-SMB2_set_basic_info(const unsigned int xid, struct cifs_tcon *tcon,
- u64 persistent_fid, u64 volatile_fid, FILE_BASIC_INFO *buf)
-{
- unsigned int size;
- size = sizeof(FILE_BASIC_INFO);
- return send_set_info(xid, tcon, persistent_fid, volatile_fid,
- current->tgid, FILE_BASIC_INFORMATION, SMB2_O_INFO_FILE,
- 0, 1, (void **)&buf, &size);
-}
-
-int
SMB2_set_acl(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_fid, u64 volatile_fid,
struct cifs_ntsd *pnntsd, int pacllen, int aclflag)
diff --git a/fs/cifs/smb2proto.h b/fs/cifs/smb2proto.h
index 9367439f1dd9..5881213a7290 100644
--- a/fs/cifs/smb2proto.h
+++ b/fs/cifs/smb2proto.h
@@ -196,9 +196,6 @@ extern int SMB2_set_info_init(struct cifs_tcon *tcon, struct smb_rqst *rqst,
u8 info_class, u8 info_type, u32 additional_info,
void **data, unsigned int *size);
extern void SMB2_set_info_free(struct smb_rqst *rqst);
-extern int SMB2_set_basic_info(const unsigned int xid, struct cifs_tcon *tcon,
- u64 persistent_fid, u64 volatile_fid,
- FILE_BASIC_INFO *buf);
extern int SMB2_set_acl(const unsigned int xid, struct cifs_tcon *tcon,
u64 persistent_fid, u64 volatile_fid,
struct cifs_ntsd *pnntsd, int pacllen, int aclflag);