mirror of https://gitee.com/openkylin/linux.git
1f43e2ad7b
Introduce CP_TRIMMED_FLAG to indicate all invalid block were trimmed before umount, so once we do mount with image which contain the flag, we don't record invalid blocks as undiscard one, when fstrim is being triggered, we can avoid issuing redundant discard commands. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> |
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README
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.