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From: Matthew Wilcox <willy@infradead.org>
To: Josef Bacik <josef@toxicpanda.com>
Cc: linux-fsdevel@vger.kernel.org, brauner@kernel.org,
	viro@zeniv.linux.org.uk, jack@suse.cz, david@fromorbit.com,
	amir73il@gmail.com, hch@lst.de
Subject: Re: [PATCH][RFC] fs: add levels to inode write access
Date: Thu, 30 May 2024 02:14:42 +0100	[thread overview]
Message-ID: <ZlfTApvagV6SeJMh@casper.infradead.org> (raw)
In-Reply-To: <72fc22ebeaf50fabf9d14f90f6f694f88b5fc359.1717015144.git.josef@toxicpanda.com>

On Wed, May 29, 2024 at 04:41:32PM -0400, Josef Bacik wrote:
> +++ b/drivers/md/md.c
> @@ -7231,7 +7231,7 @@ static int set_bitmap_file(struct mddev *mddev, int fd)
>  			pr_warn("%s: error: bitmap file must open for write\n",
>  				mdname(mddev));
>  			err = -EBADF;
> -		} else if (atomic_read(&inode->i_writecount) != 1) {
> +		} else if (atomic_read(&inode->i_writecount[INODE_DENY_WRITE_ALL]) != 1) {

I think this needs an abstraction because I have no idea what this
means.

		} else if (!write_access_ok(inode, INODE_DENY_WRITE_ALL)) {

perhaps?


  parent reply	other threads:[~2024-05-30  1:14 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-29 20:41 [PATCH][RFC] fs: add levels to inode write access Josef Bacik
2024-05-29 22:00 ` Jeff Layton
2024-05-30  1:14 ` Matthew Wilcox [this message]
2024-05-30 10:32 ` Christian Brauner
2024-05-30 12:57   ` Amir Goldstein
2024-05-30 14:58   ` Josef Bacik
2024-05-30 15:23   ` Christian Brauner
2024-05-30 15:49   ` Linus Torvalds
2024-05-31 10:02     ` Christian Brauner
2024-05-31 12:32       ` Christian Brauner
2024-05-31 13:01         ` [PATCH] fs: don't block i_writecount during exec Christian Brauner
2024-05-31 15:40           ` Linus Torvalds
2024-05-31 18:08             ` Jeff Layton
2024-05-31 22:08           ` Josef Bacik
2024-06-03 13:52           ` (subset) " Christian Brauner
2024-06-06 12:45           ` Aishwarya TCV
2024-06-06 15:37             ` Mark Brown
2024-06-06 16:53               ` Josef Bacik
2024-06-06 17:33                 ` Mark Brown
2024-06-06 17:49                   ` Mark Brown
2024-08-07  9:59                     ` Tudor Ambarus
2024-09-04 17:04           ` Jann Horn
2024-09-05  7:38             ` Roberto Sassu
2024-05-31 13:09         ` [PATCH][RFC] fs: add levels to inode write access Amir Goldstein
2024-05-31 14:50           ` Christian Brauner
2024-05-31 15:47             ` Matthew Wilcox
2024-05-31 22:14               ` Matthew Wilcox

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