tree 2cd1cc3000ac7ef6b11af4d1295ad3e87d5b1da9
parent 6b4b8e6b4ad8553660421d6360678b3811d5deb9
author Daejun Park <daejun7.park@samsung.com> 1609896762 +0900
committer Theodore Ts'o <tytso@mit.edu> 1610739691 -0500

ext4: remove expensive flush on fast commit

In the fast commit, it adds REQ_FUA and REQ_PREFLUSH on each fast
commit block when barrier is enabled.  However, in recovery phase,
ext4 compares CRC value in the tail.  So it is sufficient to add
REQ_FUA and REQ_PREFLUSH on the block that has tail.

Signed-off-by: Daejun Park <daejun7.park@samsung.com>
Reviewed-by: Harshad Shirwadkar <harshadshirwadkar@gmail.com>
Link: https://lore.kernel.org/r/20210106013242epcms2p5b6b4ed8ca86f29456fdf56aa580e74b4@epcms2p5
Signed-off-by: Theodore Ts'o <tytso@mit.edu>