Quoting Oren Laadan (orenl@xxxxxxxxxxxxxxx):
> From: Dave Hansen <dave@xxxxxxxxxxxxxxxxxx>
>
> 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@xxxxxxxxxxxxxxxxxx>
> ---
> fs/ext2/dir.c | 1 +
> fs/ext2/file.c | 2 ++
> fs/ext3/dir.c | 1 +
> fs/ext3/file.c | 1 +
> fs/ext4/dir.c | 1 +
> fs/ext4/file.c | 1 +
> 6 files changed, 7 insertions(+), 0 deletions(-)
>
> diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c
> index 2999d72..4f1dd79 100644
> --- a/fs/ext2/dir.c
> +++ b/fs/ext2/dir.c
> @@ -721,4 +721,5 @@ const struct file_operations ext2_dir_operations = {
> .compat_ioctl = ext2_compat_ioctl,
> #endif
> .fsync = ext2_sync_file,
> + .checkpoint = generic_file_checkpoint,
The checkpoint() method is only defined in struct file_operations if
CONFIG_CHECKPOINT=y. So this can't possibly compile when
CONFIG_CHECKPOINT=n...
> };
> diff --git a/fs/ext2/file.c b/fs/ext2/file.c
> index 45ed071..e1731c5 100644
> --- a/fs/ext2/file.c
> +++ b/fs/ext2/file.c
> @@ -58,6 +58,7 @@ const struct file_operations ext2_file_operations = {
> .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_file_operations = {
> .open = generic_file_open,
> .release = ext2_release_file,
> .fsync = ext2_sync_file,
> + .checkpoint = generic_file_checkpoint,
> };
> #endif
>
> diff --git a/fs/ext3/dir.c b/fs/ext3/dir.c
> index 5853f44..aa579e1 100644
> --- a/fs/ext3/dir.c
> +++ b/fs/ext3/dir.c
> @@ -48,6 +48,7 @@ const struct file_operations ext3_dir_operations = {
> #endif
> .fsync = ext3_sync_file, /* BKL held */
> .release = ext3_release_dir,
> + .checkpoint = generic_file_checkpoint,
> };
>
>
> diff --git a/fs/ext3/file.c b/fs/ext3/file.c
> index 3be1e06..45f73fa 100644
> --- a/fs/ext3/file.c
> +++ b/fs/ext3/file.c
> @@ -122,6 +122,7 @@ const struct file_operations ext3_file_operations = {
> .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 --git a/fs/ext4/dir.c b/fs/ext4/dir.c
> index 2df2e40..9baf728 100644
> --- a/fs/ext4/dir.c
> +++ b/fs/ext4/dir.c
> @@ -48,6 +48,7 @@ const struct file_operations ext4_dir_operations = {
> #endif
> .fsync = ext4_sync_file,
> .release = ext4_release_dir,
> + .checkpoint = generic_file_checkpoint,
> };
>
>
> diff --git a/fs/ext4/file.c b/fs/ext4/file.c
> index f731cb5..bd84dce 100644
> --- a/fs/ext4/file.c
> +++ b/fs/ext4/file.c
> @@ -156,6 +156,7 @@ const struct file_operations ext4_file_operations = {
> .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 = {
> --
> 1.5.4.3
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