From: Al Viro <viro@zeniv.linux.org.uk>
To: Khalid Aziz <khalid.aziz@oracle.com>
Cc: akpm@linux-foundation.org, willy@infradead.org,
aneesh.kumar@linux.ibm.com, arnd@arndb.de, 21cnbao@gmail.com,
corbet@lwn.net, dave.hansen@linux.intel.com, david@redhat.com,
ebiederm@xmission.com, hagen@jauu.net, jack@suse.cz,
keescook@chromium.org, kirill@shutemov.name, kucharsk@gmail.com,
linkinjeon@kernel.org, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
longpeng2@huawei.com, luto@kernel.org, markhemm@googlemail.com,
pcc@google.com, rppt@kernel.org, sieberf@amazon.com,
sjpark@amazon.de, surenb@google.com, tst@schoebel-theuer.de,
yzaikin@google.com
Subject: Re: [PATCH v2 1/9] mm: Add msharefs filesystem
Date: Thu, 30 Jun 2022 23:57:39 +0100 [thread overview]
Message-ID: <Yr4qY32eHzJy5vvw@ZenIV> (raw)
In-Reply-To: <de5566e71e038d95342d00364c6760c7078cb091.1656531090.git.khalid.aziz@oracle.com>
On Wed, Jun 29, 2022 at 04:53:52PM -0600, Khalid Aziz wrote:
> +static int
> +msharefs_d_hash(const struct dentry *dentry, struct qstr *qstr)
> +{
> + unsigned long hash = init_name_hash(dentry);
> + const unsigned char *s = qstr->name;
> + unsigned int len = qstr->len;
> +
> + while (len--)
> + hash = partial_name_hash(*s++, hash);
> + qstr->hash = end_name_hash(hash);
> + return 0;
> +}
What do you need that for and how is it different from letting it
use full_name_hash() (which is what it will do if you leave
dentry_operations->d_hash equal to NULL)?
next prev parent reply other threads:[~2022-06-30 22:58 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-29 22:53 [PATCH v2 0/9] Add support for shared PTEs across processes Khalid Aziz
2022-06-29 22:53 ` [PATCH v2 1/9] mm: Add msharefs filesystem Khalid Aziz
2022-06-30 21:53 ` Darrick J. Wong
2022-07-01 16:05 ` Khalid Aziz
2022-06-30 22:57 ` Al Viro [this message]
2022-07-01 16:08 ` Khalid Aziz
2022-06-29 22:53 ` [PATCH v2 2/9] mm/mshare: pre-populate msharefs with information file Khalid Aziz
2022-06-30 21:37 ` Darrick J. Wong
2022-06-30 22:54 ` Khalid Aziz
2022-06-30 23:01 ` Al Viro
2022-07-01 16:11 ` Khalid Aziz
2022-06-29 22:53 ` [PATCH v2 3/9] mm/mshare: make msharefs writable and support directories Khalid Aziz
2022-06-30 21:34 ` Darrick J. Wong
2022-06-30 22:49 ` Khalid Aziz
2022-06-30 23:09 ` Al Viro
2022-07-02 0:22 ` Khalid Aziz
2022-06-29 22:53 ` [PATCH v2 4/9] mm/mshare: Add a read operation for msharefs files Khalid Aziz
2022-06-30 21:27 ` Darrick J. Wong
2022-06-30 22:27 ` Khalid Aziz
2022-06-29 22:53 ` [PATCH v2 5/9] mm/mshare: Add vm flag for shared PTE Khalid Aziz
2022-06-30 14:59 ` Mark Hemment
2022-06-30 15:46 ` Khalid Aziz
2022-06-29 22:53 ` [PATCH v2 6/9] mm/mshare: Add mmap operation Khalid Aziz
2022-06-30 21:44 ` Darrick J. Wong
2022-06-30 23:30 ` Khalid Aziz
2022-06-29 22:53 ` [PATCH v2 7/9] mm/mshare: Add unlink and munmap support Khalid Aziz
2022-06-30 21:50 ` Darrick J. Wong
2022-07-01 15:58 ` Khalid Aziz
2022-06-29 22:53 ` [PATCH v2 8/9] mm/mshare: Add basic page table sharing support Khalid Aziz
2022-07-07 9:13 ` Xin Hao
2022-07-07 15:33 ` Khalid Aziz
2022-06-29 22:54 ` [PATCH v2 9/9] mm/mshare: Enable mshare region mapping across processes Khalid Aziz
2022-06-30 11:57 ` [PATCH v2 0/9] Add support for shared PTEs " Mark Hemment
2022-06-30 15:39 ` Khalid Aziz
2022-07-02 4:24 ` Andrew Morton
2022-07-06 19:26 ` Khalid Aziz
2022-07-08 11:47 ` David Hildenbrand
2022-07-08 19:36 ` Khalid Aziz
2022-07-13 14:00 ` David Hildenbrand
2022-07-13 17:58 ` Mike Kravetz
2022-07-13 18:03 ` David Hildenbrand
2022-07-14 22:02 ` Khalid Aziz
2022-07-18 12:59 ` David Hildenbrand
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