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authorMike Frysinger <vapier@gentoo.org>2010-09-23 21:53:38 -0400
committerArtem Bityutskiy <Artem.Bityutskiy@nokia.com>2010-09-25 13:49:01 +0300
commitf03d42afb0fa7599b626fc0c005424edfd123f99 (patch)
tree71b9041f118e992da11fb52cd6564466caff1ce8 /include/libmtd.h
parentae51fdc21dd5b299128ab04786a4f7528e09dae3 (diff)
libmtd: add lock/unlock helpers
Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Diffstat (limited to 'include/libmtd.h')
-rw-r--r--include/libmtd.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/include/libmtd.h b/include/libmtd.h
index afaba42..e30c8a6 100644
--- a/include/libmtd.h
+++ b/include/libmtd.h
@@ -138,6 +138,30 @@ int mtd_get_dev_info(libmtd_t desc, const char *node, struct mtd_dev_info *mtd);
int mtd_get_dev_info1(libmtd_t desc, int mtd_num, struct mtd_dev_info *mtd);
/**
+ * mtd_lock - lock eraseblocks.
+ * @desc: MTD library descriptor
+ * @mtd: MTD device description object
+ * @fd: MTD device node file descriptor
+ * @eb: eraseblock to lock
+ *
+ * This function locks eraseblock @eb. Returns %0 in case of success and %-1
+ * in case of failure.
+ */
+int mtd_lock(const struct mtd_dev_info *mtd, int fd, int eb);
+
+/**
+ * mtd_unlock - unlock eraseblocks.
+ * @desc: MTD library descriptor
+ * @mtd: MTD device description object
+ * @fd: MTD device node file descriptor
+ * @eb: eraseblock to lock
+ *
+ * This function unlocks eraseblock @eb. Returns %0 in case of success and %-1
+ * in case of failure.
+ */
+int mtd_unlock(const struct mtd_dev_info *mtd, int fd, int eb);
+
+/**
* mtd_erase - erase an eraseblock.
* @desc: MTD library descriptor
* @mtd: MTD device description object