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| author |   Sidney Amani <seed@uffs.org> | 2009-01-27 10:11:46 +0100 |
|---|---|---|
| committer |   Artem Bityutskiy <Artem.Bityutskiy@nokia.com> | 2009-01-27 16:54:41 +0200 |
| commit | 766fb95ba06e1bbf531d30dc05e21b2d4a0e8dd2 (patch) | |
| tree | a7041e919ca5f6d5460b7d7ecfb27e08b9119236 /drivers/mtd/ubi/ubi.h | |
| parent | UBI: fix resource de-allocation (diff) | |
| download | linux-dev-766fb95ba06e1bbf531d30dc05e21b2d4a0e8dd2.tar.xz linux-dev-766fb95ba06e1bbf531d30dc05e21b2d4a0e8dd2.zip | |
UBI: allow direct user-space I/O
Introduce a new ioctl UBI_IOCSETPROP to set properties
on a volume. Also add the first property:
UBI_PROP_DIRECT_WRITE, this property is used to set the
ability to use direct writes in userspace
Signed-off-by: Sidney Amani <seed@uffs.org>
Signed-off-by: Corentin Chary <corentincj@iksaif.net>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Diffstat (limited to 'drivers/mtd/ubi/ubi.h')
| -rw-r--r-- | drivers/mtd/ubi/ubi.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h index 381f0e1d0a74..c055511bb1b2 100644 --- a/drivers/mtd/ubi/ubi.h +++ b/drivers/mtd/ubi/ubi.h @@ -206,6 +206,7 @@ struct ubi_volume_desc; * @upd_marker: %1 if the update marker is set for this volume * @updating: %1 if the volume is being updated * @changing_leb: %1 if the atomic LEB change ioctl command is in progress + * @direct_writes: %1 if direct writes are enabled for this volume * * @gluebi_desc: gluebi UBI volume descriptor * @gluebi_refcount: reference count of the gluebi MTD device @@ -253,6 +254,7 @@ struct ubi_volume { unsigned int upd_marker:1; unsigned int updating:1; unsigned int changing_leb:1; + unsigned int direct_writes:1; #ifdef CONFIG_MTD_UBI_GLUEBI /* @@ -304,7 +306,8 @@ struct ubi_wl_entry; * @vtbl_size: size of the volume table in bytes * @vtbl: in-RAM volume table copy * @volumes_mutex: protects on-flash volume table and serializes volume - * changes, like creation, deletion, update, re-size and re-name + * changes, like creation, deletion, update, re-size, + * re-name and set property * * @max_ec: current highest erase counter value * @mean_ec: current mean erase counter value |