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a4db63b88fQu Wenruo <wqu@suse.com> says: The first patch is a cleanup related to sync_inodes_one_sb() callback. Since it always wait for the writeback, there is no need to pass any parameter for it. The second patch is a fix mostly affecting btrfs, as btrfs requires a explicit sync_fc() call with wait == 1, to commit its super blocks, and sync_bdevs() won't cut it at all. However the current emergency sync never passes wait == 1, it means btrfs will writeback all dirty data and metadata, but still no super block update, resulting everything still pointing back to the old data/metadata. This lead to a problem where btrfs doesn't seem to do anything during emergency sync. The second patch fixes the problem by passing wait == 1 for the second iteration of sync_fs_one_sb(). * patches from https://patch.msgid.link/cover.1762142636.git.wqu@suse.com: fs: fully sync all fses even for an emergency sync fs: do not pass a parameter for sync_inodes_one_sb() Link: https://patch.msgid.link/cover.1762142636.git.wqu@suse.com Signed-off-by: Christian Brauner <brauner@kernel.org> |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
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.