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SubjectRe: [PATCH] writeback: Don't wait for completion in writeback_inodes_sb_nr
On Tue, Jul 12, 2011 at 12:34:53PM +0200, Jan Kara wrote:
> > All block device inodes sit on blockdev_superblock, we got rid of inodes
> > without a superblock long time ago.
> Sure, we can easily iterate also blockdev_superblock. What I meant is
> that blockdev_superblock will need a special handling since we otherwise
> ignore pseudo superblocks...

Pseudo superblocks aren't ignored. They are added to super_blocks like
all others, and iterate_supers doesn't skip over them. The problem
is that blockdev_superblock doesn't have a proper s_bdi set, and thus
gets skipped over by __sync_filesystem.



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