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61fef98945
Currently there're two anonymous inodes (inode and anon_inode in struct erofs_fscache) for each blob. The former was introduced as the address_space of page cache for bootstrap. The latter was initially introduced as both the address_space of page cache and also a sentinel in the shared domain. Since now the management of cookies in share domain has been decoupled with the anonymous inode, there's no need to maintain an extra anonymous inode. Let's unify these two anonymous inodes. Besides, in non-share-domain mode only bootstrap will allocate anonymous inode. To simplify the implementation, always allocate anonymous inode for both bootstrap and data blobs. Similarly release anonymous inodes for data blobs when .put_super() is called, or we'll get "VFS: Busy inodes after unmount." warning. Also remove the redundant set_nlink() when initializing the anonymous inode, since i_nlink has already been initialized to 1 when the inode gets allocated. Signed-off-by: Jingbo Xu <jefflexu@linux.alibaba.com> Reviewed-by: Jia Zhu <zhujia.zj@bytedance.com> Link: https://lore.kernel.org/r/20230209063913.46341-5-jefflexu@linux.alibaba.com Signed-off-by: Gao Xiang <hsiangkao@linux.alibaba.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.