xfs/scrub/scrub.c

23 #include "scrub/repair.h"
32  * repair on-disk data structures.  That task was left to the xfs_check
35  * scrub & repair, on the other hand, enables us to check the metadata
112  * Generally speaking, the repair code has the following code structure:
113  * Lock -> scrub -> repair -> commit -> re-lock -> re-scrub -> unlock.
116  * second check evaluates the completeness of the repair; that is what
122  * - "xrep_" are symbols related to metadata repair.
128  * or repair a given mountpoint.  This will be used by xfs_scrub to
129  * probe the kernel's abilities to scrub (and repair) the metadata.  We
131  * filesystem for a scrub (or a repair) operation, and immediately
133  * structure state to decide (in broad terms) if scrub/repair are
225 		.repair = xrep_probe,
231 		.repair	= xrep_superblock,
237 		.repair	= xrep_agf,
243 		.repair	= xrep_agfl,
249 		.repair	= xrep_agi,
255 		.repair	= xrep_allocbt,
262 		.repair	= xrep_allocbt,
269 		.repair	= xrep_iallocbt,
277 		.repair	= xrep_iallocbt,
285 		.repair	= xrep_rmapbt,
292 		.repair	= xrep_refcountbt,
298 		.repair	= xrep_inode,
304 		.repair	= xrep_bmap_data,
310 		.repair	= xrep_bmap_attr,
316 		.repair	= xrep_bmap_cow,
322 		.repair	= xrep_notsupported,
328 		.repair	= xrep_notsupported,
334 		.repair	= xrep_notsupported,
340 		.repair	= xrep_notsupported,
346 		.repair	= xrep_rtbitmap,
352 		.repair	= xrep_notsupported,
358 		.repair	= xrep_quota,
364 		.repair	= xrep_quota,
370 		.repair	= xrep_quota,
376 		.repair	= xrep_fscounters,
382 		.repair	= xrep_quotacheck,
388 		.repair	= xrep_nlinks,
394 		.repair = xrep_notsupported,
447 	/* No rebuild without repair. */
453 	 * We only want to repair read-write v5+ filesystems.  Defer the check
454 	 * for ops->repair until after our scrub confirms that we need to
477 	 * Userspace asked us to repair something, we repaired it, rescanned
583 		 * If userspace asked for a repair but it wasn't necessary,
593 		 * already tried to fix it, then attempt a repair.
598 			 * Either the repair function succeeded or it couldn't