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[PATCH] Fix Intel/Sharp command set erase suspend bug

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When we sleep and wait for a suspended operation to be resumed, go
back and check until it's ready -- don't just continue after the first
time we're woken. This can cause file system corruption.

Signed-off-by: Joakim Tjernlund <Joakim.Tjernlund@transmode.se>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Joakim Tjernlund 2006-11-28 23:11:52 +00:00 committed by Linus Torvalds
parent ba8379b220
commit 967bf623e9
1 changed files with 1 additions and 1 deletions
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2
drivers/mtd/chips/cfi_cmdset_0001.c
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@ -1087,7 +1087,7 @@ static int inval_cache_and_wait_for_operation(
} }
spin_lock(chip->mutex); spin_lock(chip->mutex);
if (chip->state != chip_state) { while (chip->state != chip_state) {
/* Someone's suspended the operation: sleep */ /* Someone's suspended the operation: sleep */
DECLARE_WAITQUEUE(wait, current); DECLARE_WAITQUEUE(wait, current);
set_current_state(TASK_UNINTERRUPTIBLE); set_current_state(TASK_UNINTERRUPTIBLE);