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37c4efc1dd
Previous commit make VFS delete stale dentry when last reference is dropped. Lease also can become invalid when corresponding dentry has no reference. This patch make cephfs periodically scan lease list, delete corresponding dentry if lease is invalid. There are two types of lease, dentry lease and dir lease. dentry lease has life time and applies to singe dentry. Dentry lease is added to tail of a list when it's updated, leases at front of the list will expire first. Dir lease is CEPH_CAP_FILE_SHARED on directory inode, it applies to all dentries in the directory. Dentries have dir leases are added to another list. Dentries in the list are periodically checked in a round robin manner. Signed-off-by: "Yan, Zheng" <zyan@redhat.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Ilya Dryomov <idryomov@gmail.com> |
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| .clang-format | ||
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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.