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authorXiaolei Li <xiaolei.li@mediatek.com>2018-04-02 11:20:10 +0300
committerBoris Brezillon <boris.brezillon@bootlin.com>2018-04-22 21:07:06 +0300
commit7cc9aa669a5119a8d70b22c57779d1decd4d0d62 (patch)
treec48b958a576e6193061c2aa9b2a6400ecf1c35aa /Documentation/ABI/testing/sysfs-class-mtd
parentc3c9a2c4b94f2c92132298b705a6f5f9dc1ccd3f (diff)
downloadlinux-7cc9aa669a5119a8d70b22c57779d1decd4d0d62.tar.xz
mtd: Add sysfs attribute for mtd OOB available size
Expose mtd OOB available size by sysfs file. Then users can get available OOB size by accessing /sys/class/mtd/mtdX/oobavail. Signed-off-by: Xiaolei Li <xiaolei.li@mediatek.com> Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Diffstat (limited to 'Documentation/ABI/testing/sysfs-class-mtd')
-rw-r--r--Documentation/ABI/testing/sysfs-class-mtd8
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-mtd b/Documentation/ABI/testing/sysfs-class-mtd
index f34e592301d1..3bc7c0a95c92 100644
--- a/Documentation/ABI/testing/sysfs-class-mtd
+++ b/Documentation/ABI/testing/sysfs-class-mtd
@@ -232,3 +232,11 @@ Description:
of the parent (another partition or a flash device) in bytes.
This attribute is absent on flash devices, so it can be used
to distinguish them from partitions.
+
+What: /sys/class/mtd/mtdX/oobavail
+Date: April 2018
+KernelVersion: 4.16
+Contact: linux-mtd@lists.infradead.org
+Description:
+ Number of bytes available for a client to place data into
+ the out of band area.