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68b85589ba
generic/484 fails sometimes with compression on because the write ends up small enough that it goes into the btree. This means that we never call mapping_set_error() on the inode itself, because the page gets marked as fine when we inline it into the metadata. When the metadata writeback happens we see it and abort the transaction properly and mark the fs as readonly, however we don't do the mapping_set_error() on anything. In syncfs() we will simply return 0 if the sb is marked read-only, so we can't check for this in our syncfs callback. The only way the error gets returned if we called mapping_set_error() on something. Fix this by calling mapping_set_error() on the btree inode mapping. This allows us to properly return an error on syncfs and pass generic/484 with compression on. Reviewed-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: Josef Bacik <josef@toxicpanda.com> Signed-off-by: David Sterba <dsterba@suse.com> |
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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 Restructured Text 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.