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4ae6bbb522
Previously, BCHFS_IOC_REINHERIT_ATTRS didn't trigger rebalance scans when changing rebalance options - it had been missed, only the xattr interface triggered them. Ideally they'd be done by the transactional trigger, but unpacking the inode to get the options is too heavy to be done in the low level trigger - the inode trigger is run on every extent update, since the bch_inode.bi_journal_seq has to be updated for fsync. bch2_write_inode() is a good compromise, it already unpacks and repacks and is not run in any super-fast paths. Additionally, creating the new rebalance entry to trigger the scan is now done in the same transaction as the inode update that changed the options. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> |
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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.