[Suspend2][ 07/35] [Suspend2] Filewriter cleanup.

[Nigel Cunningham]

Cleanup when returning control to userspace.

Signed-off-by: Nigel Cunningham <nigel@xxxxxxxxxxxx>

 kernel/power/suspend_file.c |   24 ++++++++++++++++++++++++
 1 files changed, 24 insertions(+), 0 deletions(-)

diff --git a/kernel/power/suspend_file.c b/kernel/power/suspend_file.c
index 97f97be..e2ad8dc 100644
--- a/kernel/power/suspend_file.c
+++ b/kernel/power/suspend_file.c
@@ -235,3 +235,27 @@ static void populate_block_list(void)
 			 	devinfo.blocks_per_page - 1);
 }
 
+static void filewriter_cleanup(int finishing_cycle)
+{
+	if (filewriter_target_bdev) {
+		if (target_claim) {
+			bd_release(filewriter_target_bdev);
+			target_claim = 0;
+		}
+
+		if (used_devt) {
+			blkdev_put(filewriter_target_bdev);
+			used_devt = 0;
+		}
+		filewriter_target_bdev = NULL;
+		target_inode = NULL;
+		set_devinfo(NULL, 0);
+		target_storage_available = 0;
+	}
+
+	if (target_file > 0) {
+		filp_close(target_file, NULL);
+		target_file = NULL;
+	}
+}
+

--
Nigel Cunningham		nigel at suspend2 dot net
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