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mtd: Add sysfs attribute for mtd OOB available size

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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>
This commit is contained in:
Xiaolei Li
2018-04-02 16:20:10 +08:00
committed by Boris Brezillon
parent c3c9a2c4b9
commit 7cc9aa669a
2 changed files with 18 additions and 0 deletions
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8
Documentation/ABI/testing/sysfs-class-mtd
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@@ -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.