diff options
| author | Gao Xiang <gaoxiang25@huawei.com> | 2018-07-26 20:22:02 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-07-27 17:24:09 +0200 |
| commit | 0d40d6e399c12c662eda395fe4f0602327d0d01f (patch) | |
| tree | a66a64b0ab8154ee3d257d1af60d55550717de60 /drivers/staging/erofs/Kconfig | |
| parent | 366c96a3a8681c90d0663f580ebc4dd077df2152 (diff) | |
staging: erofs: add a generic z_erofs VLE decompressor
Currently, this patch only simply implements LZ4
decompressor due to its development priority.
In the future, erofs will support more compression
algorithm and format other than LZ4, thus a generic
decompressor interface will be needed.
Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/erofs/Kconfig')
| -rw-r--r-- | drivers/staging/erofs/Kconfig | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/staging/erofs/Kconfig b/drivers/staging/erofs/Kconfig index 63bec702da86..b55ce1cf3bc7 100644 --- a/drivers/staging/erofs/Kconfig +++ b/drivers/staging/erofs/Kconfig @@ -87,3 +87,17 @@ config EROFS_FS_ZIP If you don't want to use compression feature, say N. +config EROFS_FS_CLUSTER_PAGE_LIMIT + int "EROFS Cluster Pages Hard Limit" + depends on EROFS_FS_ZIP + range 1 256 + default "1" + help + Indicates VLE compressed pages hard limit of a + compressed cluster. + + For example, if files of a image are compressed + into 8k-unit, the hard limit should not be less + than 2. Otherwise, the image cannot be mounted + correctly on this kernel. + |