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Date: Tue, 23 Jan 2007 18:24:13 +0100
From: Cordenner jean noel <jean-noel.cordenner@...l.net>
To: linux-ext4@...r.kernel.org
Cc: nfsv4@...ux-nfs.org
Subject: [RFC] [patch 1/3] i_version update for ext4: VFS layer
This part of the patch concerns the update of the i_version in the VFS
layer.
Signed-off-by: Jean Noel Cordenner <jean-noel.cordenner@...l.net>
Index: linux-2.6.20-rc5/fs/attr.c
===================================================================
--- linux-2.6.20-rc5.orig/fs/attr.c 2006-11-29 22:57:37.000000000 +0100
+++ linux-2.6.20-rc5/fs/attr.c 2007-01-22 17:03:41.000000000 +0100
@@ -113,6 +113,7 @@
now = current_fs_time(inode->i_sb);
attr->ia_ctime = now;
+ inode->i_version++;
if (!(ia_valid & ATTR_ATIME_SET))
attr->ia_atime = now;
if (!(ia_valid & ATTR_MTIME_SET))
Index: linux-2.6.20-rc5/fs/bad_inode.c
===================================================================
--- linux-2.6.20-rc5.orig/fs/bad_inode.c 2007-01-19
16:59:14.000000000 +0100
+++ linux-2.6.20-rc5/fs/bad_inode.c 2007-01-22 17:04:58.000000000 +0100
@@ -343,6 +343,7 @@
inode->i_mode = S_IFREG;
inode->i_atime = inode->i_mtime = inode->i_ctime =
current_fs_time(inode->i_sb);
+ inode->i_version++;
inode->i_op = &bad_inode_ops;
inode->i_fop = &bad_file_ops;
}
Index: linux-2.6.20-rc5/fs/binfmt_misc.c
===================================================================
--- linux-2.6.20-rc5.orig/fs/binfmt_misc.c 2007-01-19
16:59:14.000000000 +0100
+++ linux-2.6.20-rc5/fs/binfmt_misc.c 2007-01-22 17:05:54.000000000 +0100
@@ -508,6 +508,7 @@
inode->i_blocks = 0;
inode->i_atime = inode->i_mtime = inode->i_ctime =
current_fs_time(inode->i_sb);
+ inode->i_version = 1;
}
return inode;
}
Index: linux-2.6.20-rc5/fs/inode.c
===================================================================
--- linux-2.6.20-rc5.orig/fs/inode.c 2007-01-19 16:59:15.000000000 +0100
+++ linux-2.6.20-rc5/fs/inode.c 2007-01-22 17:18:28.000000000 +0100
@@ -1225,18 +1225,11 @@
return;
now = current_fs_time(inode->i_sb);
- if (!timespec_equal(&inode->i_mtime, &now)) {
- inode->i_mtime = now;
- sync_it = 1;
- }
-
- if (!timespec_equal(&inode->i_ctime, &now)) {
- inode->i_ctime = now;
- sync_it = 1;
- }
+ inode->i_mtime = now;
+ inode->i_ctime = now;
+ inode->i_version++;
- if (sync_it)
- mark_inode_dirty_sync(inode);
+ mark_inode_dirty_sync(inode);
}
EXPORT_SYMBOL(file_update_time);
Index: linux-2.6.20-rc5/fs/libfs.c
===================================================================
--- linux-2.6.20-rc5.orig/fs/libfs.c 2007-01-19 16:59:15.000000000 +0100
+++ linux-2.6.20-rc5/fs/libfs.c 2007-01-22 17:23:13.000000000 +0100
@@ -220,6 +220,7 @@
root->i_mode = S_IFDIR | S_IRUSR | S_IWUSR;
root->i_uid = root->i_gid = 0;
root->i_atime = root->i_mtime = root->i_ctime = CURRENT_TIME;
+ root->i_version = 1;
dentry = d_alloc(NULL, &d_name);
if (!dentry) {
iput(root);
@@ -243,6 +244,8 @@
struct inode *inode = old_dentry->d_inode;
inode->i_ctime = dir->i_ctime = dir->i_mtime = CURRENT_TIME;
+ inode->i_version++;
+ dir->i_version++;
inc_nlink(inode);
atomic_inc(&inode->i_count);
dget(dentry);
@@ -275,6 +278,8 @@
struct inode *inode = dentry->d_inode;
inode->i_ctime = dir->i_ctime = dir->i_mtime = CURRENT_TIME;
+ inode->i_version++;
+ dir->i_version++;
drop_nlink(inode);
dput(dentry);
return 0;
@@ -312,6 +317,8 @@
old_dir->i_ctime = old_dir->i_mtime = new_dir->i_ctime =
new_dir->i_mtime = inode->i_ctime = CURRENT_TIME;
+ old_dir->i_version++;
+ new_dir->i_version++;
return 0;
}
@@ -377,6 +384,7 @@
inode->i_uid = inode->i_gid = 0;
inode->i_blocks = 0;
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
+ inode->i_version = 1;
inode->i_op = &simple_dir_inode_operations;
inode->i_fop = &simple_dir_operations;
inode->i_nlink = 2;
@@ -398,6 +406,7 @@
inode->i_uid = inode->i_gid = 0;
inode->i_blocks = 0;
inode->i_atime = inode->i_mtime = inode->i_ctime =
CURRENT_TIME;
+ inode->i_version = 1;
inode->i_fop = files->ops;
inode->i_ino = i;
d_add(dentry, inode);
Index: linux-2.6.20-rc5/fs/pipe.c
===================================================================
--- linux-2.6.20-rc5.orig/fs/pipe.c 2007-01-19 16:59:15.000000000 +0100
+++ linux-2.6.20-rc5/fs/pipe.c 2007-01-22 17:24:46.000000000 +0100
@@ -871,6 +871,7 @@
inode->i_uid = current->fsuid;
inode->i_gid = current->fsgid;
inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME;
+ inode->i_version = 1;
return inode;
-
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