linux-kernel - [PATCH 4/4] fs: Remove i

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Message-Id: <1414008853-13200-5-git-send-email-jack@suse.cz>
Date:	Wed, 22 Oct 2014 22:14:13 +0200
From:	Jan Kara <jack@...e.cz>
To:	Al Viro <viro@...IV.linux.org.uk>
Cc:	hch@....de, linux-fsdevel@...r.kernel.org,
	LKML <linux-kernel@...r.kernel.org>, Jan Kara <jack@...e.cz>
Subject: [PATCH 4/4] fs: Remove i_devices list head

Noone uses i_devices anymore. Remove it (thus saving two pointers in
every inode).

Signed-off-by: Jan Kara <jack@...e.cz>
---
 fs/inode.c         | 1 -
 include/linux/fs.h | 1 -
 2 files changed, 2 deletions(-)

diff --git a/fs/inode.c b/fs/inode.c
index 26753ba7b6d6..cb7acd45dce5 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -366,7 +366,6 @@ void inode_init_once(struct inode *inode)
 {
 	memset(inode, 0, sizeof(*inode));
 	INIT_HLIST_NODE(&inode->i_hash);
-	INIT_LIST_HEAD(&inode->i_devices);
 	INIT_LIST_HEAD(&inode->i_wb_list);
 	INIT_LIST_HEAD(&inode->i_lru);
 	address_space_init_once(&inode->i_data);
diff --git a/include/linux/fs.h b/include/linux/fs.h
index d7fd7959a933..8c4f5678e75e 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -595,7 +595,6 @@ struct inode {
 #ifdef CONFIG_QUOTA
 	struct dquot		*i_dquot[MAXQUOTAS];
 #endif
-	struct list_head	i_devices;
 	union {
 		struct pipe_inode_info	*i_pipe;
 		struct block_device	*i_bdev;
-- 
1.8.1.4

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