Re: [RFC][PATCH] Re: [BUG] ext4: cannot unfreeze a filesystem due to a deadlock

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On Mon, May 02, 2011 at 04:22:45PM +0300, Surbhi Palande wrote:
> This has another advantage, that it rightfully does not let you
> update the access time when the F.S is frozen (touch_atime called
> from a read path when the F.S is frozen) Otherwise we also need to
> fix this path.

In most filesystens atime updates aren't transactional.  They just
get written into inode->i_atime, and at some later point when the
VFS tries to clean the inode it gets writtent back, either through
a transaction or not.

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