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NFS might send us offsets that are not PAGE aligned. So we must read in the reminder of the first/last pages, in cases we need it for Parity calculations. We only add an sg segments to read the partial page. But we don't mark it as read=true because it is a lock-for-write page. TODO: In some cases (IO spans a single unit) we can just adjust the raid_unit offset/length, but this is left for later Kernels. [Bug in 3.2.0 Kernel] CC: Stable Tree <stable@kernel.org> Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> |
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BUGS | ||
common.h | ||
dir.c | ||
exofs.h | ||
file.c | ||
inode.c | ||
Kbuild | ||
Kconfig | ||
Kconfig.ore | ||
namei.c | ||
ore_raid.c | ||
ore_raid.h | ||
ore.c | ||
super.c | ||
symlink.c |