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authorMichael Bestas <mkbestas@lineageos.org>2021-02-28 03:22:47 +0200
committerMichael Bestas <mkbestas@lineageos.org>2021-02-28 03:22:47 +0200
commit3d9b6f5ee02e712b6cd1d50db3c2e68064fc2eca (patch)
tree3d6a43bfb8e720a34f8f22c180b67b9776512975 /include/linux/backing-dev.h
parent32ed4c6cace37c492b7deacdf3fa223618b1ad2e (diff)
parent4fd124d1546d8a4300e1cdd637818af038e29fb2 (diff)
Merge branch 'android-4.4-p' of https://android.googlesource.com/kernel/common into lineage-18.1-caf-msm8998
This brings LA.UM.9.2.r1-02500-SDMxx0.0 up to date with https://android.googlesource.com/kernel/common/ android-4.4-p at commit: 4fd124d1546d8 Merge 4.4.258 into android-4.4-p Change-Id: Idbae7489bc1d831a378dd60993f46139e5e28c4c
Diffstat (limited to 'include/linux/backing-dev.h')
-rw-r--r--include/linux/backing-dev.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h
index 4bc6540d426b..970bef82da35 100644
--- a/include/linux/backing-dev.h
+++ b/include/linux/backing-dev.h
@@ -12,6 +12,7 @@
#include <linux/fs.h>
#include <linux/sched.h>
#include <linux/blkdev.h>
+#include <linux/device.h>
#include <linux/writeback.h>
#include <linux/blk-cgroup.h>
#include <linux/backing-dev-defs.h>
@@ -526,4 +527,13 @@ static inline int bdi_rw_congested(struct backing_dev_info *bdi)
(1 << WB_async_congested));
}
+extern const char *bdi_unknown_name;
+
+static inline const char *bdi_dev_name(struct backing_dev_info *bdi)
+{
+ if (!bdi || !bdi->dev)
+ return bdi_unknown_name;
+ return dev_name(bdi->dev);
+}
+
#endif /* _LINUX_BACKING_DEV_H */