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linux/drivers/md/bitmap.c
Guoqing Jiang 4aaf7694f8 md/bitmap: don't read page from device with Bitmap_sync 
The device owns Bitmap_sync flag needs recovery
to become in sync, and read page from this type
device could get stale status.

Also add comments for Bitmap_sync bit per the
suggestion from Shaohua and Neil.

Previous disscussion can be found here:
https://marc.info/?t=149760428900004&r=1&w=2

Signed-off-by: Guoqing Jiang <gqjiang@suse.com>
Signed-off-by: Shaohua Li <shli@fb.com>
2017-07-10 10:30:41 -07:00

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