Commit dc9300a6 authored by Ronnie Sahlberg's avatar Ronnie Sahlberg Committed by Steve French
Browse files

cifs: use existing handle for compound_op(OP_SET_INFO) when possible 



If we already have a writable handle for a path we want to set the
attributes for then use that instead of a create/set-info/close compound.

Signed-off-by: default avatarRonnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: default avatarSteve French <stfrench@microsoft.com>
parent 8de9e86c

fs/cifs/smb2inode.c

+26 −9
Original line number Diff line number Diff line
@@ -192,14 +192,27 @@ smb2_compound_op(const unsigned int xid, struct cifs_tcon *tcon, 
		size[0] = sizeof(FILE_BASIC_INFO);

		data[0] = ptr;



		rc = SMB2_set_info_init(tcon, &rqst[num_rqst], COMPOUND_FID,

		if (cfile)

			rc = SMB2_set_info_init(tcon, &rqst[num_rqst],

				cfile->fid.persistent_fid,

				cfile->fid.volatile_fid, current->tgid,

				FILE_BASIC_INFORMATION,

				SMB2_O_INFO_FILE, 0, data, size);

		else {

			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);

			if (!rc) {

				smb2_set_next_command(tcon, &rqst[num_rqst]);

				smb2_set_related(&rqst[num_rqst]);

			}

		}



		if (rc)

			goto finished;

		smb2_set_next_command(tcon, &rqst[num_rqst]);

		smb2_set_related(&rqst[num_rqst++]);

		num_rqst++;

		trace_smb3_set_info_compound_enter(xid, ses->Suid, tcon->tid,

						   full_path);

		break;
@@ -231,9 +244,11 @@ smb2_compound_op(const unsigned int xid, struct cifs_tcon *tcon, 
					COMPOUND_FID, COMPOUND_FID,

					current->tgid, FILE_RENAME_INFORMATION,

					SMB2_O_INFO_FILE, 0, data, size);

			if (!rc) {

				smb2_set_next_command(tcon, &rqst[num_rqst]);

				smb2_set_related(&rqst[num_rqst]);

			}

		}

		if (rc)

			goto finished;

		num_rqst++;
@@ -475,6 +490,7 @@ smb2_mkdir_setinfo(struct inode *inode, const char *name, 
{

	FILE_BASIC_INFO data;

	struct cifsInodeInfo *cifs_i;

	struct cifsFileInfo *cfile;

	u32 dosattrs;

	int tmprc;
@@ -482,10 +498,11 @@ 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);

	cifs_get_writable_path(tcon, name, &cfile);

	tmprc = smb2_compound_op(xid, tcon, cifs_sb, name,

				 FILE_WRITE_ATTRIBUTES, FILE_CREATE,

				 CREATE_NOT_FILE, &data, SMB2_OP_SET_INFO,

				 NULL);

				 cfile);

	if (tmprc == 0)

		cifs_i->cifsAttrs = dosattrs;

}

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