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c0f04d88e4
In writeback mode, when we get a cache flush we need to make sure we issue a flush to the backing device. The code for sending down an extra flush was wrong - by cloning the bio we were probably getting flags that didn't make sense for a bare flush, and also the old code was firing for FUA bios, for which we don't need to send a flush to the backing device. This was causing data corruption somehow - the mechanism was never determined, but this patch fixes it for the users that were seeing it. Signed-off-by: Kent Overstreet <kmo@daterainc.com> Cc: linux-stable <stable@vger.kernel.org> # >= v3.10 Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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| .. | ||
| alloc.c | ||
| bcache.h | ||
| bset.c | ||
| bset.h | ||
| btree.c | ||
| btree.h | ||
| closure.c | ||
| closure.h | ||
| debug.c | ||
| debug.h | ||
| io.c | ||
| journal.c | ||
| journal.h | ||
| Kconfig | ||
| Makefile | ||
| movinggc.c | ||
| request.c | ||
| request.h | ||
| stats.c | ||
| stats.h | ||
| super.c | ||
| sysfs.c | ||
| sysfs.h | ||
| trace.c | ||
| util.c | ||
| util.h | ||
| writeback.c | ||
| writeback.h | ||