37 /* bmbt mappings adjacent to a pair of records. */
57  * has mappings in it, make sure the inodes are tagged appropriately so that
80  * mappings into the file past EOF.  This is crucial so that log recovery won't
81  * get confused by the sudden appearance of post-eof mappings.
119 /* Do we still have more mappings to exchange? */
135 /* Check all mappings to make sure we can actually exchange them. */
202 	/* Do not skip mapped, written mappings. */  in xfs_exchmaps_can_skip_mapping()
220 	 * Unwritten mappings can appear in the middle of an rtx if the rtx is  in xfs_exchmaps_can_skip_mapping()
230 	 * All mappings below this point are unwritten.  in xfs_exchmaps_can_skip_mapping()
249 	 * All mappings below this point are unwritten, start on an rtx  in xfs_exchmaps_can_skip_mapping()
271  * mappings to exchange.  If there is work to do, return the mappings;
275  * If the walk skips over a pair of mappings to the same storage, save them as
353 		 * Two mappings pointing to the same physical block must not  in xfs_exchmaps_find_mappings()
367 		 * Save the mappings if we're estimating work and skipping  in xfs_exchmaps_find_mappings()
368 		 * these identical mappings.  in xfs_exchmaps_find_mappings()
379 /* Exchange these two mappings. */
391 	/* Remove both mappings. */  in xfs_exchmaps_one_step()
396 	 * Re-add both mappings.  We exchange the file offsets between the two  in xfs_exchmaps_one_step()
405 	/* Make sure we're not adding mappings past EOF. */  in xfs_exchmaps_one_step()
585 		 * have not yet been exchanged, look for mappings in that range  in xfs_exchmaps_finish_one()
586 		 * to exchange.  If we find some mappings, exchange them.  in xfs_exchmaps_finish_one()
597 		 * exchange and either we just exchanged the last mappings in  in xfs_exchmaps_finish_one()
672 /* Estimate the bmbt and rmapbt overhead required to exchange mappings. */
720 /* Decide if we can merge two real mappings. */
745  * Decide if we can merge three mappings.  Caller must ensure all three
746  * mappings must not be holes or delalloc reservations.
812 		 * causes 2 new mappings to be created.  in xmi_delta_nextents_step()
951  * mappings under EOF and the inode reflink flags have different states.
1052 	 * working on if the mappings do not align.  in xfs_exchmaps_estimate()
1060 		 * adj to capture skipped mappings for correct estimation of  in xfs_exchmaps_estimate()
1076 		/* Read the next mappings from both files. */  in xfs_exchmaps_estimate()
1092 		/* Now pretend we exchanged the mappings. */  in xfs_exchmaps_estimate()
1203  * Schedule an exchange a range of mappings from one inode to another.