ksmbd: use f_bsize in FS_SECTOR_SIZE_INFORMATION

Use f_bsize in FS_SECTOR_SIZE_INFORMATION to avoid the access the block
layer.
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

fs/cifsd/smb2pdu.c

@@ -4791,19 +4791,15 @@ static int smb2_get_info_filesystem(struct ksmbd_work *work,
 	case FS_SECTOR_SIZE_INFORMATION:
 	{
 		struct smb3_fs_ss_info *info;
-		struct ksmbd_fs_sector_size fs_ss;
 
 		info = (struct smb3_fs_ss_info *)(rsp->Buffer);
-		ksmbd_vfs_smb2_sector_size(d_inode(path.dentry), &fs_ss);
 
-		info->LogicalBytesPerSector =
-				cpu_to_le32(fs_ss.logical_sector_size);
+		info->LogicalBytesPerSector = cpu_to_le32(stfs.f_bsize);
 		info->PhysicalBytesPerSectorForAtomicity =
-				cpu_to_le32(fs_ss.physical_sector_size);
-		info->PhysicalBytesPerSectorForPerf =
-				cpu_to_le32(fs_ss.optimal_io_size);
+				cpu_to_le32(stfs.f_bsize);
+		info->PhysicalBytesPerSectorForPerf = cpu_to_le32(stfs.f_bsize);
 		info->FSEffPhysicalBytesPerSectorForAtomicity =
-				cpu_to_le32(fs_ss.optimal_io_size);
+				cpu_to_le32(stfs.f_bsize);
 		info->Flags = cpu_to_le32(SSINFO_FLAGS_ALIGNED_DEVICE |
 				    SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE);
 		info->ByteOffsetForSectorAlignment = 0;

fs/cifsd/vfs.c

@@ -1118,37 +1118,6 @@ int ksmbd_vfs_unlink(struct dentry *dir, struct dentry *dentry)
 	return err;
 }
 
-/*
- * ksmbd_vfs_get_smb2_sector_size() - get fs sector sizes
- * @inode: inode
- * @fs_ss: fs sector size struct
- */
-void ksmbd_vfs_smb2_sector_size(struct inode *inode,
-				struct ksmbd_fs_sector_size *fs_ss)
-{
-	struct request_queue *q;
-
-	fs_ss->logical_sector_size = 512;
-	fs_ss->physical_sector_size = 512;
-	fs_ss->optimal_io_size = 512;
-
-	if (!inode->i_sb->s_bdev)
-		return;
-
-	q = inode->i_sb->s_bdev->bd_disk->queue;
-
-	if (q) {
-		if (q->limits.logical_block_size)
-			fs_ss->logical_sector_size =
-				q->limits.logical_block_size;
-		if (q->limits.physical_block_size)
-			fs_ss->physical_sector_size =
-				q->limits.physical_block_size;
-		if (q->limits.io_opt)
-			fs_ss->optimal_io_size = q->limits.io_opt;
-	}
-}
-
 static int __dir_empty(struct dir_context *ctx, const char *name, int namlen,
 		       loff_t offset, u64 ino, unsigned int d_type)
 {

fs/cifsd/vfs.h

@@ -192,12 +192,6 @@ struct ksmbd_kstat {
 	__le32			file_attributes;
 };
 
-struct ksmbd_fs_sector_size {
-	unsigned short	logical_sector_size;
-	unsigned int	physical_sector_size;
-	unsigned int	optimal_io_size;
-};
-
 int ksmbd_vfs_inode_permission(struct dentry *dentry, int acc_mode,
 			       bool delete);
 int ksmbd_vfs_query_maximal_access(struct dentry *dentry, __le32 *daccess);
@@ -247,8 +241,6 @@ int ksmbd_vfs_fqar_lseek(struct ksmbd_file *fp, loff_t start, loff_t length,
 			 struct file_allocated_range_buffer *ranges,
 			 int in_count, int *out_count);
 int ksmbd_vfs_unlink(struct dentry *dir, struct dentry *dentry);
-void ksmbd_vfs_smb2_sector_size(struct inode *inode,
-				struct ksmbd_fs_sector_size *fs_ss);
 void *ksmbd_vfs_init_kstat(char **p, struct ksmbd_kstat *ksmbd_kstat);
 int ksmbd_vfs_fill_dentry_attrs(struct ksmbd_work *work, struct dentry *dentry,
 				struct ksmbd_kstat *ksmbd_kstat);