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authorBrian Foster <bfoster@redhat.com>2016-07-27 01:21:53 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2016-07-27 02:19:19 +0300
commit9a46b04f16a032c26bbf0ece61d6cd1e7ba9f627 (patch)
treecbada1a63f5655cfeb77cb540cdd2236475090d3 /mm/slab_common.c
parent6c60d2b5746cf23025ffe71bd7ff9075048fc90c (diff)
downloadlinux-9a46b04f16a032c26bbf0ece61d6cd1e7ba9f627.tar.xz
fs/fs-writeback.c: inode writeback list tracking tracepoints
The per-sb inode writeback list tracks inodes currently under writeback to facilitate efficient sync processing. In particular, it ensures that sync only needs to walk through a list of inodes that were cleaned by the sync. Add a couple tracepoints to help identify when inodes are added/removed to and from the writeback lists. Piggyback off of the writeback lazytime tracepoint template as it already tracks the relevant inode information. Link: http://lkml.kernel.org/r/1466594593-6757-3-git-send-email-bfoster@redhat.com Signed-off-by: Brian Foster <bfoster@redhat.com> Reviewed-by: Jan Kara <jack@suse.cz> Cc: Dave Chinner <dchinner@redhat.com> cc: Josef Bacik <jbacik@fb.com> Cc: Holger Hoffstätte <holger.hoffstaette@applied-asynchrony.com> Cc: Al Viro <viro@ZenIV.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/slab_common.c')
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