fuse: add ATTR_TIMEOUT macro

Next patch will introduce yet another type attribute reply.  Add a macro
that can handle attribute timeouts for all of the structs.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

Author: Miklos Szeredi

fs/fuse/dir.c

@@ -92,7 +92,7 @@ static void fuse_dentry_settime(struct dentry *dentry, u64 time)
 /*
  * Calculate the time in jiffies until a dentry/attributes are valid
  */
-static u64 time_to_jiffies(u64 sec, u32 nsec)
+u64 fuse_time_to_jiffies(u64 sec, u32 nsec)
 {
 	if (sec || nsec) {
 		struct timespec64 ts = {
@@ -112,17 +112,7 @@ static u64 time_to_jiffies(u64 sec, u32 nsec)
 void fuse_change_entry_timeout(struct dentry *entry, struct fuse_entry_out *o)
 {
 	fuse_dentry_settime(entry,
-		time_to_jiffies(o->entry_valid, o->entry_valid_nsec));
-}
-
-static u64 attr_timeout(struct fuse_attr_out *o)
-{
-	return time_to_jiffies(o->attr_valid, o->attr_valid_nsec);
-}
-
-u64 entry_attr_timeout(struct fuse_entry_out *o)
-{
-	return time_to_jiffies(o->attr_valid, o->attr_valid_nsec);
+		fuse_time_to_jiffies(o->entry_valid, o->entry_valid_nsec));
 }
 
 void fuse_invalidate_attr_mask(struct inode *inode, u32 mask)
@@ -266,7 +256,7 @@ static int fuse_dentry_revalidate(struct dentry *entry, unsigned int flags)
 
 		forget_all_cached_acls(inode);
 		fuse_change_attributes(inode, &outarg.attr,
-				       entry_attr_timeout(&outarg),
+				       ATTR_TIMEOUT(&outarg),
 				       attr_version);
 		fuse_change_entry_timeout(entry, &outarg);
 	} else if (inode) {
@@ -399,7 +389,7 @@ int fuse_lookup_name(struct super_block *sb, u64 nodeid, const struct qstr *name
 		goto out_put_forget;
 
 	*inode = fuse_iget(sb, outarg->nodeid, outarg->generation,
-			   &outarg->attr, entry_attr_timeout(outarg),
+			   &outarg->attr, ATTR_TIMEOUT(outarg),
 			   attr_version);
 	err = -ENOMEM;
 	if (!*inode) {
@@ -686,7 +676,7 @@ static int fuse_create_open(struct inode *dir, struct dentry *entry,
 	ff->nodeid = outentry.nodeid;
 	ff->open_flags = outopen.open_flags;
 	inode = fuse_iget(dir->i_sb, outentry.nodeid, outentry.generation,
-			  &outentry.attr, entry_attr_timeout(&outentry), 0);
+			  &outentry.attr, ATTR_TIMEOUT(&outentry), 0);
 	if (!inode) {
 		flags &= ~(O_CREAT | O_EXCL | O_TRUNC);
 		fuse_sync_release(NULL, ff, flags);
@@ -813,7 +803,7 @@ static int create_new_entry(struct fuse_mount *fm, struct fuse_args *args,
 		goto out_put_forget_req;
 
 	inode = fuse_iget(dir->i_sb, outarg.nodeid, outarg.generation,
-			  &outarg.attr, entry_attr_timeout(&outarg), 0);
+			  &outarg.attr, ATTR_TIMEOUT(&outarg), 0);
 	if (!inode) {
 		fuse_queue_forget(fm->fc, forget, outarg.nodeid, 1);
 		return -ENOMEM;
@@ -1190,7 +1180,7 @@ static int fuse_do_getattr(struct inode *inode, struct kstat *stat,
 			err = -EIO;
 		} else {
 			fuse_change_attributes(inode, &outarg.attr,
-					       attr_timeout(&outarg),
+					       ATTR_TIMEOUT(&outarg),
 					       attr_version);
 			if (stat)
 				fuse_fillattr(inode, &outarg.attr, stat);
@@ -1867,7 +1857,7 @@ int fuse_do_setattr(struct dentry *dentry, struct iattr *attr,
 	}
 
 	fuse_change_attributes_common(inode, &outarg.attr,
-				      attr_timeout(&outarg),
+				      ATTR_TIMEOUT(&outarg),
 				      fuse_get_cache_mask(inode));
 	oldsize = inode->i_size;
 	/* see the comment in fuse_change_attributes() */

fs/fuse/fuse_i.h

@@ -1114,7 +1114,10 @@ void fuse_invalidate_entry_cache(struct dentry *entry);
 
 void fuse_invalidate_atime(struct inode *inode);
 
-u64 entry_attr_timeout(struct fuse_entry_out *o);
+u64 fuse_time_to_jiffies(u64 sec, u32 nsec);
+#define ATTR_TIMEOUT(o) \
+	fuse_time_to_jiffies((o)->attr_valid, (o)->attr_valid_nsec)
+
 void fuse_change_entry_timeout(struct dentry *entry, struct fuse_entry_out *o);
 
 /**

fs/fuse/readdir.c

@@ -224,15 +224,15 @@ static int fuse_direntplus_link(struct file *file,
 
 		forget_all_cached_acls(inode);
 		fuse_change_attributes(inode, &o->attr,
-				       entry_attr_timeout(o),
+				       ATTR_TIMEOUT(o),
 				       attr_version);
 		/*
 		 * The other branch comes via fuse_iget()
 		 * which bumps nlookup inside
 		 */
 	} else {
 		inode = fuse_iget(dir->i_sb, o->nodeid, o->generation,
-				  &o->attr, entry_attr_timeout(o),
+				  &o->attr, ATTR_TIMEOUT(o),
 				  attr_version);
 		if (!inode)
 			inode = ERR_PTR(-ENOMEM);