nfsd: switch unsigned char flags in svc_fh to bools

...just for clarity.

Signed-off-by: Jeff Layton <jeff.layton@primarydata.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>

fs/nfsd/nfsfh.h

@@ -30,12 +30,12 @@ typedef struct svc_fh {
 	struct dentry *		fh_dentry;	/* validated dentry */
 	struct svc_export *	fh_export;	/* export pointer */
 
-	unsigned char		fh_locked;	/* inode locked by us */
-	unsigned char		fh_want_write;	/* remount protection taken */
+	bool			fh_locked;	/* inode locked by us */
+	bool			fh_want_write;	/* remount protection taken */
 
 #ifdef CONFIG_NFSD_V3
-	unsigned char		fh_post_saved;	/* post-op attrs saved */
-	unsigned char		fh_pre_saved;	/* pre-op attrs saved */
+	bool			fh_post_saved;	/* post-op attrs saved */
+	bool			fh_pre_saved;	/* pre-op attrs saved */
 
 	/* Pre-op attributes saved during fh_lock */
 	__u64			fh_pre_size;	/* size before operation */
@@ -213,8 +213,8 @@ static inline bool fh_fsid_match(struct knfsd_fh *fh1, struct knfsd_fh *fh2)
 static inline void
 fh_clear_wcc(struct svc_fh *fhp)
 {
-	fhp->fh_post_saved = 0;
-	fhp->fh_pre_saved = 0;
+	fhp->fh_post_saved = false;
+	fhp->fh_pre_saved = false;
 }
 
 /*
@@ -231,7 +231,7 @@ fill_pre_wcc(struct svc_fh *fhp)
 		fhp->fh_pre_ctime = inode->i_ctime;
 		fhp->fh_pre_size  = inode->i_size;
 		fhp->fh_pre_change = inode->i_version;
-		fhp->fh_pre_saved = 1;
+		fhp->fh_pre_saved = true;
 	}
 }
 
@@ -267,7 +267,7 @@ fh_lock_nested(struct svc_fh *fhp, unsigned int subclass)
 	inode = d_inode(dentry);
 	mutex_lock_nested(&inode->i_mutex, subclass);
 	fill_pre_wcc(fhp);
-	fhp->fh_locked = 1;
+	fhp->fh_locked = true;
 }
 
 static inline void
@@ -285,7 +285,7 @@ fh_unlock(struct svc_fh *fhp)
 	if (fhp->fh_locked) {
 		fill_post_wcc(fhp);
 		mutex_unlock(&d_inode(fhp->fh_dentry)->i_mutex);
-		fhp->fh_locked = 0;
+		fhp->fh_locked = false;
 	}
 }