linux-kernel - [PATCH 1/6 linux-next] ext4: avoid EXT4_INODE

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Message-Id: <1472069000-18897-2-git-send-email-fabf@skynet.be>
Date:   Wed, 24 Aug 2016 22:03:15 +0200
From:   Fabian Frederick <fabf@...net.be>
To:     tytso@....edu, Andreas Dilger <adilger.kernel@...ger.ca>
Cc:     linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org,
        fabf@...net.be
Subject: [PATCH 1/6 linux-next] ext4: avoid EXT4_INODE_EXTENTS double checking

ext4_collapse_range() and ext4_insert_range()
already checked inode flag at the beginning of function.

Signed-off-by: Fabian Frederick <fabf@...net.be>
---
 fs/ext4/extents.c | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index d7ccb7f..5d9f99a 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -5506,12 +5506,6 @@ int ext4_collapse_range(struct inode *inode, loff_t offset, loff_t len)
 		goto out_mutex;
 	}
 
-	/* Currently just for extent based files */
-	if (!ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) {
-		ret = -EOPNOTSUPP;
-		goto out_mutex;
-	}
-
 	/* Wait for existing dio to complete */
 	ext4_inode_block_unlocked_dio(inode);
 	inode_dio_wait(inode);
@@ -5643,11 +5637,6 @@ int ext4_insert_range(struct inode *inode, loff_t offset, loff_t len)
 	}
 
 	inode_lock(inode);
-	/* Currently just for extent based files */
-	if (!ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)) {
-		ret = -EOPNOTSUPP;
-		goto out_mutex;
-	}
 
 	/* Check for wrap through zero */
 	if (inode->i_size + len > inode->i_sb->s_maxbytes) {
-- 
2.8.1