42  * @vi:		$LogFile inode to which the restart page header belongs
43  * @rp:		restart page header to check
44  * @pos:	position in @vi at which the restart page header resides
46  * Check the restart page header @rp for consistency and return 'true' if it is
50  * require the full restart page.
75 	 * We must be either at !pos (1st restart page) or at pos = system page  in ntfs_check_restart_page_header()
76 	 * size (2nd restart page).  in ntfs_check_restart_page_header()
79 		ntfs_error(vi->i_sb, "Found restart area in incorrect "  in ntfs_check_restart_page_header()
93 	 * If chkdsk has been run the restart page may not be protected by an  in ntfs_check_restart_page_header()
103 		ntfs_error(vi->i_sb, "$LogFile restart page specifies "  in ntfs_check_restart_page_header()
112 		ntfs_error(vi->i_sb, "$LogFile restart page specifies "  in ntfs_check_restart_page_header()
118 	 * Verify the position of the restart area.  It must be:  in ntfs_check_restart_page_header()
127 		ntfs_error(vi->i_sb, "$LogFile restart page specifies "  in ntfs_check_restart_page_header()
128 				"inconsistent restart area offset.");  in ntfs_check_restart_page_header()
132 	 * Only restart pages modified by chkdsk are allowed to have chkdsk_lsn  in ntfs_check_restart_page_header()
136 		ntfs_error(vi->i_sb, "$LogFile restart page is not modified "  in ntfs_check_restart_page_header()
145  * ntfs_check_restart_area - check the restart area for consistency
146  * @vi:		$LogFile inode to which the restart page belongs
147  * @rp:		restart page whose restart area to check
149  * Check the restart area of the restart page @rp for consistency and return
152  * This function assumes that the restart page header has already been
156  * require the full restart page.
175 		ntfs_error(vi->i_sb, "$LogFile restart area specifies "  in ntfs_check_restart_area()
183 	 * restart area elements safely.  Also, the client array offset must be  in ntfs_check_restart_area()
189 		ntfs_error(vi->i_sb, "$LogFile restart area specifies "  in ntfs_check_restart_area()
194 	 * The restart area must end within the system page size both when  in ntfs_check_restart_area()
204 		ntfs_error(vi->i_sb, "$LogFile restart area is out of bounds "  in ntfs_check_restart_area()
206 				"restart page header and/or the specified "  in ntfs_check_restart_area()
207 				"restart area length is inconsistent.");  in ntfs_check_restart_area()
221 		ntfs_error(vi->i_sb, "$LogFile restart area specifies "  in ntfs_check_restart_area()
236 		ntfs_error(vi->i_sb, "$LogFile restart area specifies "  in ntfs_check_restart_area()
243 		ntfs_error(vi->i_sb, "$LogFile restart area specifies "  in ntfs_check_restart_area()
250 		ntfs_error(vi->i_sb, "$LogFile restart area specifies "  in ntfs_check_restart_area()
260  * @vi:		$LogFile inode to which the restart page belongs
261  * @rp:		restart page whose log client array to check
263  * Check the log client array of the restart page @rp for consistency and
266  * This function assumes that the restart page header and the restart area have
271  * restart page and the page must be multi sector transfer deprotected.
324  * ntfs_check_and_load_restart_page - check the restart page for consistency
325  * @vi:		$LogFile inode to which the restart page belongs
326  * @rp:		restart page to check
327  * @pos:	position in @vi at which the restart page resides
328  * @wrp:	[OUT] copy of the multi sector transfer deprotected restart page
331  * Check the restart page @rp for consistency and return 0 if it is consistent
332  * and -errno otherwise.  The restart page may have been modified by chkdsk in
336  * require the full restart page.
343  * logfile lsn according to this restart page.  On failure, *@lsn is undefined.
346  *	-EINVAL	- The restart page is inconsistent.
347  *	-ENOMEM	- Not enough memory to load the restart page.
359 	/* Check the restart page header for consistency. */  in ntfs_check_and_load_restart_page()
364 	/* Check the restart area for consistency. */  in ntfs_check_and_load_restart_page()
371 	 * Allocate a buffer to store the whole restart page so we can multi  in ntfs_check_and_load_restart_page()
377 				"restart page buffer.");  in ntfs_check_and_load_restart_page()
381 	 * Read the whole of the restart page into the buffer.  If it fits  in ntfs_check_and_load_restart_page()
420 	 * restart page is protected.  in ntfs_check_and_load_restart_page()
427 		 * abort if the restart page contents exceed the multi sector  in ntfs_check_and_load_restart_page()
434 					"detected in $LogFile restart page.");  in ntfs_check_and_load_restart_page()
440 	 * If the restart page is modified by chkdsk or there are no active  in ntfs_check_and_load_restart_page()
471  * @rp:		[OUT] on success this is a copy of the current restart page
474  * consistent and 'false' if not.  On success, the current restart page is
477  * At present we only check the two restart pages and ignore the log record
526 	 * Ensure the log file is big enough to store at least the two restart  in ntfs_check_logfile()
535 	 * Read through the file looking for a restart page.  Since the restart  in ntfs_check_logfile()
565 		 * A log record page means there cannot be a restart page after  in ntfs_check_logfile()
570 		/* If not a (modified by chkdsk) restart page, continue. */  in ntfs_check_logfile()
578 		 * Check the (modified by chkdsk) restart page for consistency  in ntfs_check_logfile()
580 		 * deprotected restart page.  in ntfs_check_logfile()
589 			 * restart page, continue looking for the second one.  in ntfs_check_logfile()
597 			 * restart page, so we can stop looking.  in ntfs_check_logfile()
603 		 * not abort if the restart page was invalid as we might still  in ntfs_check_logfile()
624 		ntfs_error(vol->sb, "Did not find any restart pages in "  in ntfs_check_logfile()
628 	/* If both restart pages were found, use the more recent one. */  in ntfs_check_logfile()
631 		 * If the second restart area is more recent, switch to it.  in ntfs_check_logfile()
635 			ntfs_debug("Using second restart page as it is more "  in ntfs_check_logfile()
641 			ntfs_debug("Using first restart page as it is more "  in ntfs_check_logfile()
663  * @rp:		copy of the current restart page
668  * At present we only look at the two restart pages and ignore the log record
694 		ntfs_error(vol->sb, "Restart page buffer is invalid.  This is "  in ntfs_is_logfile_clean()
703 	 * have the RESTART_VOLUME_IS_CLEAN bit set in the restart area flags,  in ntfs_is_logfile_clean()