This patchset follows the updates in the write_dev_flush function. The flush
bio can be preallocated at the device creation time, so we avoid repeated
alloc/free.
v2:
- merge 'flush_bio_sent' from 4 to 1 and dropped patch 4
- dropped sysfs tunable (patch 5)
- fix typo in patch 1 changelog
David Sterba (3):
btrfs: preallocate device flush bio
btrfs: account as waiting for IO, while waiting fot the flush bio
completion
btrfs: move dev stats accounting out of wait_dev_flush
fs/btrfs/disk-io.c | 38 +++++++++++---------------------------
fs/btrfs/volumes.c | 12 ++++++++++++
fs/btrfs/volumes.h | 1 +
3 files changed, 24 insertions(+), 27 deletions(-)
--
2.13.0
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