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authorChris Mason <chris.mason@oracle.com>2010-10-26 13:40:45 -0400
committerChris Mason <chris.mason@oracle.com>2010-10-29 11:25:36 -0400
commitbf9022e06af553553bc8f4e21ce36147ca6eae68 (patch)
treee33d9a25fc5ec8e03c1f0d5a4775c865e0520811 /fs/befs/endian.h
parente5bc2458293b2af6c0b94435965c68cc70974b56 (diff)
Btrfs: use the flusher threads for delalloc throttling
We have a fairly complex set of loops around walking our list of delalloc inodes when we find metadata delalloc space running low. It doesn't work very well, can use large amounts of CPU and doesn't do very efficient writeback. This switches us to kick the bdi flusher threads instead. All dirty data in btrfs is accounted as delalloc data, so this is very similar in terms of what it writes, but we're able to just kick off the IO and wait for progress. Signed-off-by: Chris Mason <chris.mason@oracle.com>
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