Re: [PATCH v6 3/7] kernfs: use VFS negative dentry caching

[PATCH v6 0/7] kernfs: proposed locking and concurrency improvement · Ian Kent <raven@themaw.net> · 2021-06-09
[PATCH v6 1/7] kernfs: move revalidate to be near lookup · Ian Kent <raven@themaw.net> · 2021-06-09
Re: [PATCH v6 1/7] kernfs: move revalidate to be near lookup · Miklos Szeredi <miklos@szeredi.hu> · 2021-06-11
[PATCH v6 2/7] kernfs: add a revision to identify directory node changes · Ian Kent <raven@themaw.net> · 2021-06-09
Re: [PATCH v6 2/7] kernfs: add a revision to identify directory node changes · Miklos Szeredi <miklos@szeredi.hu> · 2021-06-11
Re: [PATCH v6 2/7] kernfs: add a revision to identify directory node changes · Ian Kent <raven@themaw.net> · 2021-06-11
Re: [PATCH v6 2/7] kernfs: add a revision to identify directory node changes · Greg Kroah-Hartman <gregkh@linuxfoundation.org> · 2021-06-11
Re: [PATCH v6 2/7] kernfs: add a revision to identify directory node changes · Ian Kent <raven@themaw.net> · 2021-06-11
Re: [PATCH v6 2/7] kernfs: add a revision to identify directory node changes · Greg Kroah-Hartman <gregkh@linuxfoundation.org> · 2021-06-11
Re: [PATCH v6 2/7] kernfs: add a revision to identify directory node changes · Ian Kent <raven@themaw.net> · 2021-06-11
[PATCH v6 3/7] kernfs: use VFS negative dentry caching · Ian Kent <raven@themaw.net> · 2021-06-09
Re: [PATCH v6 3/7] kernfs: use VFS negative dentry caching · Miklos Szeredi <miklos@szeredi.hu> · 2021-06-11
Re: [PATCH v6 3/7] kernfs: use VFS negative dentry caching · Ian Kent <raven@themaw.net> · 2021-06-12
Re: [PATCH v6 3/7] kernfs: use VFS negative dentry caching · Al Viro <viro@zeniv.linux.org.uk> · 2021-06-12
Re: [PATCH v6 3/7] kernfs: use VFS negative dentry caching · Ian Kent <raven@themaw.net> · 2021-06-13
Re: [PATCH v6 3/7] kernfs: use VFS negative dentry caching · Al Viro <viro@zeniv.linux.org.uk> · 2021-06-12
Re: [PATCH v6 3/7] kernfs: use VFS negative dentry caching · Ian Kent <raven@themaw.net> · 2021-06-12
Re: [PATCH v6 3/7] kernfs: use VFS negative dentry caching · Ian Kent <raven@themaw.net> · 2021-06-12
Re: [PATCH v6 3/7] kernfs: use VFS negative dentry caching · Al Viro <viro@zeniv.linux.org.uk> · 2021-06-12
Re: [PATCH v6 3/7] kernfs: use VFS negative dentry caching · Ian Kent <raven@themaw.net> · 2021-06-13
[PATCH v6 4/7] kernfs: switch kernfs to use an rwsem · Ian Kent <raven@themaw.net> · 2021-06-09
Re: [PATCH v6 4/7] kernfs: switch kernfs to use an rwsem · Miklos Szeredi <miklos@szeredi.hu> · 2021-06-11
Re: [PATCH v6 4/7] kernfs: switch kernfs to use an rwsem · Al Viro <viro@zeniv.linux.org.uk> · 2021-06-12
[PATCH v6 5/7] kernfs: use i_lock to protect concurrent inode updates · Ian Kent <raven@themaw.net> · 2021-06-09
Re: [PATCH v6 5/7] kernfs: use i_lock to protect concurrent inode updates · Miklos Szeredi <miklos@szeredi.hu> · 2021-06-11
Re: [PATCH v6 5/7] kernfs: use i_lock to protect concurrent inode updates · Al Viro <viro@zeniv.linux.org.uk> · 2021-06-12
Re: [PATCH v6 5/7] kernfs: use i_lock to protect concurrent inode updates · Ian Kent <raven@themaw.net> · 2021-06-13
Re: [PATCH v6 5/7] kernfs: use i_lock to protect concurrent inode updates · Ian Kent <raven@themaw.net> · 2021-06-14
Re: [PATCH v6 5/7] kernfs: use i_lock to protect concurrent inode updates · Ian Kent <raven@themaw.net> · 2021-06-14
Re: [PATCH v6 5/7] kernfs: use i_lock to protect concurrent inode updates · Ian Kent <raven@themaw.net> · 2021-06-14
[PATCH v6 6/7] kernfs: add kernfs_need_inode_refresh() · Ian Kent <raven@themaw.net> · 2021-06-09
Re: [PATCH v6 6/7] kernfs: add kernfs_need_inode_refresh() · Miklos Szeredi <miklos@szeredi.hu> · 2021-06-11
[PATCH v6 7/7] kernfs: dont call d_splice_alias() under kernfs node lock · Ian Kent <raven@themaw.net> · 2021-06-09
Re: [PATCH v6 7/7] kernfs: dont call d_splice_alias() under kernfs node lock · Miklos Szeredi <miklos@szeredi.hu> · 2021-06-11

From: Al Viro <viro@zeniv.linux.org.uk>
Date: 2021-06-12 01:49:02
Also in: lkml

On Sat, Jun 12, 2021 at 08:47:17AM +0800, Ian Kent wrote:

quoted

Perhaps add a note about this being dependent on parent of a negative
dentry never changing.

Which of course it it can change, at any time.

What?

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