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| H A D | fs-writeback.c | 9ecc2738 Thu Sep 24 08:25:11 CDT 2009 Jens Axboe <jens.axboe@oracle.com> writeback: make the super_block pinning more efficient
Currently we pin the inode->i_sb for every single inode. This
increases cache traffic on sb->s_umount sem. Lets instead
cache the inode sb pin state and keep the super_block pinned
for as long as keep writing out inodes from the same
super_block.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
9ecc2738 Thu Sep 24 08:25:11 CDT 2009 Jens Axboe <jens.axboe@oracle.com> writeback: make the super_block pinning more efficient
Currently we pin the inode->i_sb for every single inode. This
increases cache traffic on sb->s_umount sem. Lets instead
cache the inode sb pin state and keep the super_block pinned
for as long as keep writing out inodes from the same
super_block.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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