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d3045530bd
Allow querying btime. When btime is requested in mask, then FUSE_STATX request is sent. Otherwise keep using FUSE_GETATTR. The userspace interface for statx matches that of the statx(2) API. However there are limitations on how this interface is used: - returned basic stats and btime are used, stx_attributes, etc. are ignored - always query basic stats and btime, regardless of what was requested - requested sync type is ignored, the default is passed to the server - if server returns with some attributes missing from the result_mask, then no attributes will be cached - btime is not cached yet (next patch will fix that) For new inodes initialize fi->inval_mask to "all invalid", instead of "all valid" as previously. Also only clear basic stats from inval_mask when caching attributes. This will result in the caching logic not thinking that btime is cached. Signed-off-by: Miklos Szeredi <mszeredi@redhat.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.