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Kent Overstreet 792031116b bcachefs: Unwritten extents support
- bch2_extent_merge checks unwritten bit
 - read path returns 0s for unwritten extents without actually reading
 - reflink path skips over unwritten extents
 - bch2_bkey_ptrs_invalid() checks for extents with both written and
   unwritten extents, and non-normal extents (stripes, btree ptrs) with
   unwritten ptrs
 - fiemap checks for unwritten extents and returns
   FIEMAP_EXTENT_UNWRITTEN

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-22 17:09:51 -04:00
arch
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fs bcachefs: Unwritten extents support 2023-10-22 17:09:51 -04:00
include bcachefs: Update export_operations for snapshots 2023-10-22 17:09:17 -04:00
init
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README

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.