linux-kernel - Re: [PATCH -v3 0/8] file notification: fsnotify a unified file notification backend

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 25 Nov 2008 16:14:35 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Eric Paris <eparis@...hat.com>
Cc:	linux-kernel@...r.kernel.org, malware-list@...ts.printk.net,
	viro@...iv.linux.org.uk, alan@...rguk.ukuu.org.uk,
	arjan@...radead.org, hch@...radead.org, a.p.zijlstra@...llo.nl
Subject: Re: [PATCH -v3 0/8] file notification: fsnotify a unified file
 notification backend

On Tue, 25 Nov 2008 12:20:51 -0500
Eric Paris <eparis@...hat.com> wrote:

> This series only reimplements dnotify using the new fsnotify backend.  If
> accepted I will do the work to port inotify as well.  Currently struct inode
> goes from:
> 
> #ifdef CONFIG_DNOTIFY
>        unsigned long           i_dnotify_mask; /* Directory notify events */
>        struct dnotify_struct   *i_dnotify; /* for directory notifications */
> #endif
> 
> to:
> #ifdef CONFIG_FSNOTIFY
>        unsigned long           i_fsnotify_mask; /* all events this inode cares about */
>        struct list_head        i_fsnotify_mark_entries; /* fsnotify mark entries */
>        spinlock_t              i_fsnotify_lock; /* protect the entries list */
> #endif
> 
> so the inode still grows, but the inotify fields will be dropped as well
> resulting in a smaller struct inode.  These are all the fields fanotify will
> want as well.

Did you consider using i_lock to protect that list?  Its mandate is "an
innermost lock which protects fields within the inode".

> 29 files changed, 3100 insertions(+), 1977 deletions(-)

	if (code > code_reviewers)
		fix();

but how?
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/