[PATCH v18 39/80] c/r: add generic '->checkpoint' f_op to ext fses

Oren Laadan
2009-09-24T00:37:56Z

From: Dave Hansen <dave@linux.vnet.ibm.com>

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

Changelog[v1]:
- [Serge Hallyn] Use filemap_checkpoint() in ext4_file_vm_ops

Signed-off-by: Dave Hansen <dave@linux.vnet.ibm.com>
Signed-off-by: Oren Laadan <orenl@cs.columbia.edu>
---
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 | 4 ++++
6 files changed, 10 insertions(+), 0 deletions(-)

diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c
index 6cde970..78e9157 100644
--- a/fs/ext2/dir.c
+++ b/fs/ext2/dir.c
@@ -722,4 +722,5 @@ const struct file_operations ext2_dir_operations = {
.compat_ioctl = ext2_compat_ioctl,
#endif
.fsync = simple_fsync,
+ .checkpoint = generic_file_checkpoint,
};
diff --git a/fs/ext2/file.c b/fs/ext2/file.c
index 2b9e47d..edbc3dc 100644
--- a/fs/ext2/file.c
+++ b/fs/ext2/file.c
@@ -58,6 +58,7 @@ const struct file_operations ext2_file_operations = {
.fsync = simple_fsync,
.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 = simple_fsync,
+ .checkpoint = generic_file_checkpoint,
};
#endif

diff --git a/fs/ext3/dir.c b/fs/ext3/dir.c
index 373fa90..65f98af 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 5b49704..a421e07 100644
--- a/fs/ext3/file.c
+++ b/fs/ext3/file.c
@@ -126,6 +126,7 @@ 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 9dc9316..f69404c 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 3f1873f..cdac137 100644
--- a/fs/ext4/file.c
+++ b/fs/ext4/file.c
@@ -133,6 +133,9 @@ force_commit:
static struct vm_operations_struct ext4_file_vm_ops = {
.fault = filemap_fault,
.page_mkwrite = ext4_page_mkwrite,
+#ifdef CONFIG_CHECKPOINT
+ .checkpoint = filemap_checkpoint,
+#endif
};

static int ext4_file_mmap(struct file *file, struct vm_area_struct *vma)
@@ -195,6 +198,7 @@ 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 = {
--
1.6.0.4