[CIFS] New CIFS POSIX mkdir performance improvement (part 2)
Fix incorrect parsing of return data Signed-off-by: Steve French <sfrench@us.ibm.com>
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@ -1008,9 +1008,12 @@ PsxCreat:
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if(cpu_to_le32(FILE_CREATE) == psx_rsp->CreateAction)
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*pOplock |= CIFS_CREATE_ACTION;
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/* check to make sure response data is there */
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if(psx_rsp->ReturnedLevel != SMB_QUERY_FILE_UNIX_BASIC)
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pRetData->Type = -1; /* unknown */
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else {
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if(psx_rsp->ReturnedLevel != SMB_QUERY_FILE_UNIX_BASIC) {
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pRetData->Type = -1; /* unknown */
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#ifdef CONFIG_CIFS_DEBUG2
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cFYI(1,("unknown type"));
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#endif
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} else {
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if(pSMBr->ByteCount < sizeof(OPEN_PSX_RSP)
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+ sizeof(FILE_UNIX_BASIC_INFO)) {
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cERROR(1,("Open response data too small"));
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@ -1018,7 +1021,7 @@ PsxCreat:
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goto psx_create_err;
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}
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memcpy((char *) pRetData,
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(char *)&psx_rsp + sizeof(OPEN_PSX_RSP),
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(char *)psx_rsp + sizeof(OPEN_PSX_RSP),
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sizeof (FILE_UNIX_BASIC_INFO));
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}
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@ -796,6 +796,9 @@ static void posix_fill_in_inode(struct inode *tmp_inode,
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cFYI(1,("unknown inode type %d",type));
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}
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#ifdef CONFIG_CIFS_DEBUG2
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cFYI(1,("object type: %d", type));
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#endif
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tmp_inode->i_uid = le64_to_cpu(pData->Uid);
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tmp_inode->i_gid = le64_to_cpu(pData->Gid);
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tmp_inode->i_nlink = le64_to_cpu(pData->Nlinks);
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@ -903,6 +906,7 @@ int cifs_mkdir(struct inode *inode, struct dentry *direntry, int mode)
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cFYI(1, ("posix mkdir returned 0x%x", rc));
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d_drop(direntry);
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} else {
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int obj_type;
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if (pInfo->Type == -1) /* no return info - go query */
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goto mkdir_get_info;
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/*BB check (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID ) to see if need to set uid/gid */
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@ -911,19 +915,36 @@ int cifs_mkdir(struct inode *inode, struct dentry *direntry, int mode)
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direntry->d_op = &cifs_ci_dentry_ops;
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else
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direntry->d_op = &cifs_dentry_ops;
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newinode = new_inode(inode->i_sb);
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if (newinode == NULL)
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goto mkdir_get_info;
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/* Is an i_ino of zero legal? */
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/* Are there sanity checks we can use to ensure that
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the server is really filling in that field? */
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if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SERVER_INUM) {
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newinode->i_ino =
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(unsigned long)pInfo->UniqueId;
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} /* note ino incremented to unique num in new_inode */
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if(inode->i_sb->s_flags & MS_NOATIME)
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newinode->i_flags |= S_NOATIME | S_NOCMTIME;
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newinode->i_nlink = 2;
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insert_inode_hash(newinode);
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d_instantiate(direntry, newinode);
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if (direntry->d_inode) {
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int obj_type;
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direntry->d_inode->i_nlink = 2;
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/* already checked in POSIXCreate whether
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frame was long enough */
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posix_fill_in_inode(direntry->d_inode,
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/* we already checked in POSIXCreate whether
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frame was long enough */
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posix_fill_in_inode(direntry->d_inode,
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pInfo, &obj_type, 1 /* NewInode */);
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/* could double check that we actually
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* created what we thought we did ie
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* a directory
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*/
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}
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#ifdef CONFIG_CIFS_DEBUG2
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cFYI(1,("instantiated dentry %p %s to inode %p",
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direntry, direntry->d_name.name, newinode));
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if(newinode->i_nlink != 2)
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cFYI(1,("unexpected number of links %d",
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newinode->i_nlink));
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#endif
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}
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kfree(pInfo);
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goto mkdir_out;
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