From: Liu Song <liu.song11@zte.com.cn>
Date: Thu, 2 Aug 2018 04:11:16 +0000 (-0400)
Subject: ext4: improve code readability in ext4_iget()
X-Git-Tag: v4.19~171^2~13
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bc716523462f98ea6bfef3e1a5926daadbf32e9e;p=platform%2Fkernel%2Flinux-rpi.git

ext4: improve code readability in ext4_iget()

Merge the duplicated complex conditions to improve code readability.

Signed-off-by: Liu Song <liu.song11@zte.com.cn>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Jiang Biao <jiang.biao2@zte.com.cn>
---

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 60432498..8f6ad76 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -4982,17 +4982,14 @@ struct inode *ext4_iget(struct super_block *sb, unsigned long ino)
 		ret = -EFSCORRUPTED;
 		goto bad_inode;
 	} else if (!ext4_has_inline_data(inode)) {
-		if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) {
-			if ((S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
-			    (S_ISLNK(inode->i_mode) &&
-			     !ext4_inode_is_fast_symlink(inode))))
-				/* Validate extent which is part of inode */
+		/* validate the block references in the inode */
+		if (S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
+		   (S_ISLNK(inode->i_mode) &&
+		    !ext4_inode_is_fast_symlink(inode))) {
+			if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))
 				ret = ext4_ext_check_inode(inode);
-		} else if (S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
-			   (S_ISLNK(inode->i_mode) &&
-			    !ext4_inode_is_fast_symlink(inode))) {
-			/* Validate block references which are part of inode */
-			ret = ext4_ind_check_inode(inode);
+			else
+				ret = ext4_ind_check_inode(inode);
 		}
 	}
 	if (ret)