Re: [PATCH] fs: push i_mutex and filemap_write_and_wait down into ->fsync() handlers

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Hi,

On Tue, 2011-06-28 at 11:35 -0400, Josef Bacik wrote:
> Btrfs needs to be able to control how filemap_write_and_wait_range() is called
> in fsync to make it less of a painful operation, so push down taking i_mutex and
> the calling of filemap_write_and_wait() down into the ->fsync() handlers.  Some
> file systems can drop taking the i_mutex altogether it seems, like ext3 and
> ocfs2.  For correctness sake I just pushed everything down in all cases to make
> sure that we keep the current behavior the same for everybody, and then each
> individual fs maintainer can make up their mind about what to do from there.
> Thanks,
> 
> Signed-off-by: Josef Bacik <josef@xxxxxxxxxx>

The GFS2 bit looks ok to me...
Acked-by: Steven Whitehouse <swhiteho@xxxxxxxxxx>

Steve.


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