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1686570265
The helper btrfs_may_delete() is a copy of generic fs/namei.c:may_delete() to verify various conditions before deletion. There's a BUG_ON added before linux.git started, we can turn it to a proper error handling at least in our local helper. A mistmatch between directory and the deleted dentry is clearly invalid. This won't be probably ever hit due to the way how the parameters are set from the caller btrfs_ioctl_snap_destroy(), using a VFS helper lookup_one(). Reviewed-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: Anand Jain <anand.jain@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
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.