Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapped files | KernelTrap

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapped files

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From: Rik van Riel <riel@...>

To: Matt Mackall <mpm@...>

Cc: Linus Torvalds <torvalds@...>, Ingo Oeser <ioe-lkml@...>, Miklos Szeredi <miklos@...>, <peterz@...>, <salikhmetov@...>, <linux-mm@...>, <jakob@...>, <linux-kernel@...>, <valdis.kletnieks@...>, <ksm@...>, <staubach@...>, <jesper.juhl@...>, <akpm@...>, <protasnb@...>, <r.e.wolff@...>, <hidave.darkstar@...>, <hch@...>

Subject: Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapped files

Date: Saturday, January 19, 2008 - 12:25 am

On Fri, 18 Jan 2008 18:50:03 -0600
Matt Mackall <mpm@selenic.com> wrote:
quoted text> On Fri, 2008-01-18 at 17:54 -0500, Rik van Riel wrote:

quoted text> > Backup programs not seeing an updated mtime is a really big deal.
> 
> And that's fixed with the 4-line approach.
> 
> Reminds me, I've got a patch here for addressing that problem with loop mounts:
> 
> Writes to loop should update the mtime of the underlying file.
> 
> Signed-off-by: Matt Mackall <mpm@selenic.com>

Acked-by: Rik van Riel <riel@redhat.com>

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Messages in current thread:

[PATCH -v6 0/2] Fixing the issue with memory-mapped file times, Anton Salikhmetov, (Thu Jan 17, 6:31 pm)

Re: [PATCH -v6 0/2] Fixing the issue with memory-mapped file..., Miklos Szeredi, (Fri Jan 18, 5:40 am)

Re: [PATCH -v6 0/2] Fixing the issue with memory-mapped file..., Anton Salikhmetov, (Fri Jan 18, 3:48 pm)

Re: [PATCH -v6 0/2] Fixing the issue with memory-mapped file..., Miklos Szeredi, (Sat Jan 19, 6:45 am)

Re: [PATCH -v6 0/2] Fixing the issue with memory-mapped file..., Anton Salikhmetov, (Fri Jan 18, 6:31 am)

[PATCH -v6 2/2] Updating ctime and mtime for memory-mapped f..., Anton Salikhmetov, (Thu Jan 17, 6:31 pm)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Miklos Szeredi, (Fri Jan 18, 5:51 am)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Peter Zijlstra, (Fri Jan 18, 6:15 am)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Miklos Szeredi, (Fri Jan 18, 6:38 am)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Peter Zijlstra, (Fri Jan 18, 7:00 am)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Miklos Szeredi, (Fri Jan 18, 7:17 am)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Peter Zijlstra, (Fri Jan 18, 7:23 am)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Miklos Szeredi, (Fri Jan 18, 7:36 am)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Peter Zijlstra, (Fri Jan 18, 6:25 am)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Linus Torvalds, (Fri Jan 18, 1:58 pm)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Miklos Szeredi, (Fri Jan 18, 2:11 pm)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Linus Torvalds, (Fri Jan 18, 2:43 pm)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Miklos Szeredi, (Fri Jan 18, 2:57 pm)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Linus Torvalds, (Fri Jan 18, 3:08 pm)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Miklos Szeredi, (Fri Jan 18, 3:22 pm)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Linus Torvalds, (Fri Jan 18, 3:35 pm)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Ingo Oeser, (Fri Jan 18, 6:32 pm)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Linus Torvalds, (Fri Jan 18, 6:47 pm)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Peter Staubach, (Mon Jan 21, 10:25 am)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Anton Salikhmetov, (Mon Jan 21, 10:36 am)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Rik van Riel, (Fri Jan 18, 6:54 pm)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Matt Mackall, (Fri Jan 18, 8:50 pm)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Miklos Szeredi, (Sat Jan 19, 6:22 am)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Matt Mackall, (Sat Jan 19, 11:49 am)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Rik van Riel, (Sat Jan 19, 12:25 am)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Anton Salikhmetov, (Fri Jan 18, 3:58 pm)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Linus Torvalds, (Fri Jan 18, 4:22 pm)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Anton Salikhmetov, (Fri Jan 18, 5:03 pm)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Linus Torvalds, (Fri Jan 18, 5:27 pm)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Anton Salikhmetov, (Fri Jan 18, 6:04 pm)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Linus Torvalds, (Fri Jan 18, 6:21 pm)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Anton Salikhmetov, (Fri Jan 18, 6:35 pm)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Rik van Riel, (Fri Jan 18, 2:28 pm)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Miklos Szeredi, (Fri Jan 18, 2:51 pm)

Re: [PATCH -v6 2/2] Updating ctime and mtime for memory-mapp..., Anton Salikhmetov, (Fri Jan 18, 6:39 am)

[PATCH -v6 1/2] Massive code cleanup of sys_msync(), Anton Salikhmetov, (Thu Jan 17, 6:31 pm)

Re: [PATCH -v6 1/2] Massive code cleanup of sys_msync(), Miklos Szeredi, (Fri Jan 18, 5:33 am)

Re: [PATCH -v6 1/2] Massive code cleanup of sys_msync(), Anton Salikhmetov, (Fri Jan 18, 6:30 am)

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