Subject: [PATCH 1/1] Enable C/R while executing over NFS
C/R of an application binary that is acessed over NFS fails because
the nfs_file_vm_ops is missing the checkpoint operation. Of course
proper C/R over NFS assumes that networking and filesystem(s) have
been properly set up before restart.
Signed-off-by: Sukadev Bhattiprolu <sukadev@xxxxxxxxxxxxxxxxxx>
---
fs/nfs/file.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 96b1a27..65defbd 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -576,6 +576,9 @@ out_unlock:
static const struct vm_operations_struct nfs_file_vm_ops = {
.fault = filemap_fault,
.page_mkwrite = nfs_vm_page_mkwrite,
+#ifdef CONFIG_CHECKPOINT
+ .checkpoint = filemap_checkpoint,
+#endif
};
static int nfs_need_sync_write(struct file *filp, struct inode *inode)
--
1.6.0.4
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