minix_getattr(): don't bother with ->d_parent

Al Viro · Al Viro · commit 2def9e4ec75e · 2011-07-20T20:47:53.000-04:00
we can find superblock easier, TYVM...

Signed-off-by: Al Viro &lt;viro@zeniv.linux.org.uk&gt;
diff --git a/fs/minix/inode.c b/fs/minix/inode.c
@@ -596,8 +596,7 @@ static int minix_write_inode(struct inode *inode, struct writeback_control *wbc)
 
 int minix_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
 {
-	struct inode *dir = dentry->d_parent->d_inode;
-	struct super_block *sb = dir->i_sb;
+	struct super_block *sb = dentry->d_sb;
 	generic_fillattr(dentry->d_inode, stat);
 	if (INODE_VERSION(dentry->d_inode) == MINIX_V1)
 		stat->blocks = (BLOCK_SIZE / 512) * V1_minix_blocks(stat->size, sb);

Original file line number	Diff line number	Diff line change
`@@ -596,8 +596,7 @@ static int minix_write_inode(struct inode inode, struct writeback_control wbc)`
`596`	`596`
`597`	`597`	`int minix_getattr(struct vfsmount mnt, struct dentry dentry, struct kstat *stat)`
`598`	`598`	`{`
`599`		`- struct inode *dir = dentry->d_parent->d_inode;`
`600`		`- struct super_block *sb = dir->i_sb;`
	`599`	`+ struct super_block *sb = dentry->d_sb;`
`601`	`600`	`generic_fillattr(dentry->d_inode, stat);`
`602`	`601`	`if (INODE_VERSION(dentry->d_inode) == MINIX_V1)`
`603`	`602`	`stat->blocks = (BLOCK_SIZE / 512) * V1_minix_blocks(stat->size, sb);`