[RFC][PATCH 05/11] add generic checkpoint f_op to ext fses

[Dave Hansen <dave-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>]

This marks ext[234] as being checkpointable.  There will be many
more to do this to, but this is a start.

Signed-off-by: Dave Hansen <dave-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
---

 linux-2.6.git-dave/fs/ext2/dir.c  |    1 +
 linux-2.6.git-dave/fs/ext2/file.c |    2 ++
 linux-2.6.git-dave/fs/ext3/dir.c  |    1 +
 linux-2.6.git-dave/fs/ext3/file.c |    1 +
 linux-2.6.git-dave/fs/ext4/dir.c  |    1 +
 linux-2.6.git-dave/fs/ext4/file.c |    1 +
 6 files changed, 7 insertions(+)

diff -puN fs/ext2/dir.c~add-stupid-checkpoint-to-lots-of-fses-take0 fs/ext2/dir.c
--- linux-2.6.git/fs/ext2/dir.c~add-stupid-checkpoint-to-lots-of-fses-take0	2009-03-05 08:37:01.000000000 -0800
+++ linux-2.6.git-dave/fs/ext2/dir.c	2009-03-05 08:37:01.000000000 -0800
@@ -721,4 +721,5 @@ const struct file_operations ext2_dir_op
 	.compat_ioctl	= ext2_compat_ioctl,
 #endif
 	.fsync		= ext2_sync_file,
+	.checkpoint	= generic_file_checkpoint,
 };
diff -puN fs/ext2/file.c~add-stupid-checkpoint-to-lots-of-fses-take0 fs/ext2/file.c
--- linux-2.6.git/fs/ext2/file.c~add-stupid-checkpoint-to-lots-of-fses-take0	2009-03-05 08:37:01.000000000 -0800
+++ linux-2.6.git-dave/fs/ext2/file.c	2009-03-05 08:37:01.000000000 -0800
@@ -58,6 +58,7 @@ const struct file_operations ext2_file_o
 	.fsync		= ext2_sync_file,
 	.splice_read	= generic_file_splice_read,
 	.splice_write	= generic_file_splice_write,
+	.checkpoint	= generic_file_checkpoint,
 };
 
 #ifdef CONFIG_EXT2_FS_XIP
@@ -73,6 +74,7 @@ const struct file_operations ext2_xip_fi
 	.open		= generic_file_open,
 	.release	= ext2_release_file,
 	.fsync		= ext2_sync_file,
+	.checkpoint	= generic_file_checkpoint,
 };
 #endif
 
diff -puN fs/ext3/dir.c~add-stupid-checkpoint-to-lots-of-fses-take0 fs/ext3/dir.c
--- linux-2.6.git/fs/ext3/dir.c~add-stupid-checkpoint-to-lots-of-fses-take0	2009-03-05 08:37:01.000000000 -0800
+++ linux-2.6.git-dave/fs/ext3/dir.c	2009-03-05 08:37:01.000000000 -0800
@@ -48,6 +48,7 @@ const struct file_operations ext3_dir_op
 #endif
 	.fsync		= ext3_sync_file,	/* BKL held */
 	.release	= ext3_release_dir,
+	.checkpoint	= generic_file_checkpoint,
 };
 
 
diff -puN fs/ext3/file.c~add-stupid-checkpoint-to-lots-of-fses-take0 fs/ext3/file.c
--- linux-2.6.git/fs/ext3/file.c~add-stupid-checkpoint-to-lots-of-fses-take0	2009-03-05 08:37:01.000000000 -0800
+++ linux-2.6.git-dave/fs/ext3/file.c	2009-03-05 08:37:01.000000000 -0800
@@ -122,6 +122,7 @@ const struct file_operations ext3_file_o
 	.fsync		= ext3_sync_file,
 	.splice_read	= generic_file_splice_read,
 	.splice_write	= generic_file_splice_write,
+	.checkpoint	= generic_file_checkpoint,
 };
 
 const struct inode_operations ext3_file_inode_operations = {
diff -puN fs/ext4/dir.c~add-stupid-checkpoint-to-lots-of-fses-take0 fs/ext4/dir.c
--- linux-2.6.git/fs/ext4/dir.c~add-stupid-checkpoint-to-lots-of-fses-take0	2009-03-05 08:37:01.000000000 -0800
+++ linux-2.6.git-dave/fs/ext4/dir.c	2009-03-05 08:37:01.000000000 -0800
@@ -48,6 +48,7 @@ const struct file_operations ext4_dir_op
 #endif
 	.fsync		= ext4_sync_file,
 	.release	= ext4_release_dir,
+	.checkpoint	= generic_file_checkpoint,
 };
 
 
diff -puN fs/ext4/file.c~add-stupid-checkpoint-to-lots-of-fses-take0 fs/ext4/file.c
--- linux-2.6.git/fs/ext4/file.c~add-stupid-checkpoint-to-lots-of-fses-take0	2009-03-05 08:37:01.000000000 -0800
+++ linux-2.6.git-dave/fs/ext4/file.c	2009-03-05 08:37:01.000000000 -0800
@@ -156,6 +156,7 @@ const struct file_operations ext4_file_o
 	.fsync		= ext4_sync_file,
 	.splice_read	= generic_file_splice_read,
 	.splice_write	= generic_file_splice_write,
+	.checkpoint	= generic_file_checkpoint,
 };
 
 const struct inode_operations ext4_file_inode_operations = {
_