mtd/ubi/attach.c

301  * ubi_compare_lebs - find out which logical eraseblock is newer.
308  * This function compares 2 copies of a LEB and informs which one is newer. In
312  *     o bit 0 is cleared: the first PEB (described by @aeb) is newer than the
314  *     o bit 0 is set: the second PEB is newer;
315  *     o bit 1 is cleared: no bit-flips were detected in the newer LEB;
316  *     o bit 1 is set: bit-flips were detected in the newer LEB;
345 	 * Now we know which copy is newer. If the copy flag of the PEB with  in ubi_compare_lebs()
346 	 * newer version is not set, then we just return, otherwise we have to  in ubi_compare_lebs()
355 			/* It is not a copy, so it is newer */  in ubi_compare_lebs()
356 			dbg_bld("second PEB %d is newer, copy_flag is unset",  in ubi_compare_lebs()
362 			/* It is not a copy, so it is newer */  in ubi_compare_lebs()
363 			dbg_bld("first PEB %d is newer, copy_flag is unset",  in ubi_compare_lebs()
416 		dbg_bld("second PEB %d is newer, copy_flag is set", pnum);  in ubi_compare_lebs()
418 		dbg_bld("first PEB %d is newer, copy_flag is set", pnum);  in ubi_compare_lebs()
441  * eraseblock belonging to the same logical eraseblock, and the newer one has
516 		 * Now we have to drop the older one and preserve the newer  in ubi_add_to_av()
525 			 * This logical eraseblock is newer than the one  in ubi_add_to_av()