[Devel] [PATCH 2/3] Add support for checkpoint/restart of open /dev/full files

[Matt Helsley]

/dev/full always returns ENOSPC when written but otherwise resembles
/dev/zero.

Signed-off-by: Matt Helsley <matthltc at us.ibm.com>
---
 drivers/char/mem.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 4e48384..f18c7f3 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -804,6 +804,9 @@ static const struct file_operations full_fops = {
 	.llseek		= full_lseek,
 	.read		= read_full,
 	.write		= write_full,
+#ifdef CONFIG_CHECKPOINT
+	.checkpoint	= generic_file_checkpoint,
+#endif
 };
 
 #ifdef CONFIG_CRASH_DUMP
-- 
1.6.3.3

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