Re: [PATCH 17/27] ext4: Convert to new freezing mechanism

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On Sat, Jun 02, 2012 at 12:30:31AM +0200, Jan Kara wrote:
> We remove most of frozen checks since upper layer takes care of blocking all
> writes. We have to handle protection in ext4_page_mkwrite() in a special way
> because we cannot use generic block_page_mkwrite(). Also we add a freeze
> protection to ext4_evict_inode() so that iput() of unlinked inode cannot modify
> a frozen filesystem (we cannot easily instrument ext4_journal_start() /
> ext4_journal_stop() with freeze protection because we are missing the
> superblock pointer in ext4_journal_stop() in nojournal mode).
> 
> CC: linux-ext4@xxxxxxxxxxxxxxx
> CC: "Theodore Ts'o" <tytso@xxxxxxx>
> BugLink: https://bugs.launchpad.net/bugs/897421
> Tested-by: Kamal Mostafa <kamal@xxxxxxxxxxxxx>
> Tested-by: Peter M. Petrakis <peter.petrakis@xxxxxxxxxxxxx>
> Tested-by: Dann Frazier <dann.frazier@xxxxxxxxxxxxx>
> Tested-by: Massimo Morana <massimo.morana@xxxxxxxxxxxxx>
> Signed-off-by: Jan Kara <jack@xxxxxxx>

Acked-by: "Theodore Ts'o" <tytso@xxxxxxx>

						- Ted
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