[PATCH] md: fail IO request to md that require a barrier.
md does not yet support BIO_RW_BARRIER, so be honest about it and fail (-EOPNOTSUPP) any such requests. Signed-off-by:Neil Brown <neilb@cse.unsw.edu.au> Signed-off-by:
Andrew Morton <akpm@osdl.org> Signed-off-by:
Linus Torvalds <torvalds@osdl.org>
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- drivers/md/linear.c 5 additions, 0 deletionsdrivers/md/linear.c
- drivers/md/multipath.c 5 additions, 0 deletionsdrivers/md/multipath.c
- drivers/md/raid0.c 5 additions, 0 deletionsdrivers/md/raid0.c
- drivers/md/raid1.c 4 additions, 0 deletionsdrivers/md/raid1.c
- drivers/md/raid10.c 5 additions, 0 deletionsdrivers/md/raid10.c
- drivers/md/raid5.c 5 additions, 0 deletionsdrivers/md/raid5.c
- drivers/md/raid6main.c 5 additions, 0 deletionsdrivers/md/raid6main.c
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