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authorArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2007-12-06 18:47:30 +0200
committerArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2007-12-26 19:15:14 +0200
commit393852ecfeec575ac78216b0eb58e4fd92f0816c (patch)
tree99edbcd7fee9cdaa69f51187834f93ada73feada /include/linux/mtd
parent94780d4de2e9339ab93df63420db70f11882634d (diff)
UBI: add ubi_leb_map interface
The idea of this interface belongs to Adrian Hunter. The interface is extremely useful when one has to have a guarantee that an LEB will contain all 0xFFs even in case of an unclean reboot. UBI does have an 'ubi_leb_erase()' call which may do this, but it is stupid and ineffecient, because it flushes whole queue. I should be re-worked to just be a pair of unmap, map calls. The user of the interfaci is UBIFS at the moment. Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Diffstat (limited to 'include/linux/mtd')
-rw-r--r--include/linux/mtd/ubi.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/mtd/ubi.h b/include/linux/mtd/ubi.h
index 3d967b6b120a..c4abe0351225 100644
--- a/include/linux/mtd/ubi.h
+++ b/include/linux/mtd/ubi.h
@@ -167,6 +167,7 @@ int ubi_leb_change(struct ubi_volume_desc *desc, int lnum, const void *buf,
int len, int dtype);
int ubi_leb_erase(struct ubi_volume_desc *desc, int lnum);
int ubi_leb_unmap(struct ubi_volume_desc *desc, int lnum);
+int ubi_leb_map(struct ubi_volume_desc *desc, int lnum, int dtype);
int ubi_is_mapped(struct ubi_volume_desc *desc, int lnum);
/*