From: "Theodore Ts'o" <tytso@mit.edu>
To: akpm@osdl.org
Cc: linux-kernel@vger.kernel.org
Subject: [patch 3/8] inode-diet: Move i_bdev into a union
Date: Sun, 02 Jul 2006 20:53:36 -0400 [thread overview]
Message-ID: <20060703010022.612985000@candygram.thunk.org> (raw)
In-Reply-To: 20060703005333.706556000@candygram.thunk.org
[-- Attachment #1: inode-slim-3 --]
[-- Type: text/plain, Size: 1094 bytes --]
Move the i_bdev pointer in struct inode into a union.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Index: linux-2.6.17-mm5/include/linux/fs.h
===================================================================
--- linux-2.6.17-mm5.orig/include/linux/fs.h 2006-07-02 20:28:45.000000000 -0400
+++ linux-2.6.17-mm5/include/linux/fs.h 2006-07-02 20:28:55.000000000 -0400
@@ -526,8 +526,8 @@
struct list_head i_devices;
union {
struct pipe_inode_info *i_pipe;
+ struct block_device *i_bdev;
};
- struct block_device *i_bdev;
struct cdev *i_cdev;
int i_cindex;
Index: linux-2.6.17-mm5/fs/inode.c
===================================================================
--- linux-2.6.17-mm5.orig/fs/inode.c 2006-07-02 20:27:00.000000000 -0400
+++ linux-2.6.17-mm5/fs/inode.c 2006-07-02 20:28:55.000000000 -0400
@@ -254,7 +254,7 @@
DQUOT_DROP(inode);
if (inode->i_sb && inode->i_sb->s_op->clear_inode)
inode->i_sb->s_op->clear_inode(inode);
- if (inode->i_bdev)
+ if (S_ISBLK(inode->i_mode) && inode->i_bdev)
bd_forget(inode);
if (inode->i_cdev)
cd_forget(inode);
--
next prev parent reply other threads:[~2006-07-03 1:00 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-03 0:53 [patch 0/8] Inode slimming patches, part 1 Theodore Ts'o
2006-07-03 0:53 ` [patch 1/8] inode_diet: Replace inode.u.generic_ip with inode.i_private Theodore Ts'o
2006-07-03 0:53 ` [patch 2/8] inode-diet: Move i_pipe into a union Theodore Ts'o
2006-07-03 0:53 ` Theodore Ts'o [this message]
2006-07-03 0:53 ` [patch 4/8] inode-diet: Move i_cdev " Theodore Ts'o
2006-07-03 0:53 ` [patch 5/8] inode-diet: Eliminate i_blksize and use a per-superblock default Theodore Ts'o
2006-07-03 0:53 ` [patch 6/8] inode-diet: Move i_cindex from struct inode to struct file Theodore Ts'o
2006-07-03 9:05 ` Christoph Hellwig
2006-07-03 14:05 ` Theodore Tso
2006-07-03 0:53 ` [patch 7/8] inode-diet: Use a union for i_blocks and i_size, i_rdev and i_devices Theodore Ts'o
2006-07-03 8:27 ` Andrew Morton
2006-07-03 14:35 ` Hugh Dickins
2006-07-03 9:06 ` Christoph Hellwig
2006-07-03 14:02 ` Theodore Tso
2006-07-03 14:42 ` Jan Engelhardt
2006-07-03 15:18 ` H. Peter Anvin
2006-07-03 0:53 ` [patch 8/8] inode-diet: Fix size of i_blkbits, i_version, and i_dnotify_mask Theodore Ts'o
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