fs/ubifs/scan.c

57  * @lnum: logical eraseblock number
63 int ubifs_scan_a_node(const struct ubifs_info *c, void *buf, int len, int lnum,
72 		dbg_scan("hit empty space at LEB %d:%d", lnum, offs);
83 		 dbg_ntype(ch->node_type), lnum, offs);
85 	if (ubifs_check_node(c, buf, lnum, offs, quiet, 1))
98 					  lnum, offs);
113 			 lnum, offs, ALIGN(offs + node_len + pad_len, 8));
124  * @lnum: logical eraseblock number
131 struct ubifs_scan_leb *ubifs_start_scan(const struct ubifs_info *c, int lnum,
137 	dbg_scan("scan LEB %d:%d", lnum, offs);
143 	sleb->lnum = lnum;
147 	err = ubifs_leb_read(c, lnum, sbuf + offs, offs, c->leb_size - offs, 0);
150 			  c->leb_size - offs, lnum, offs, err);
166  * @lnum: logical eraseblock number
170 		    int lnum, int offs)
172 	lnum = lnum;
173 	dbg_scan("stop scanning LEB %d at offset %d", lnum, offs);
228  * @lnum: LEB number of corruption
232 void ubifs_scanned_corruption(const struct ubifs_info *c, int lnum, int offs,
237 	ubifs_err(c, "corruption at LEB %d:%d", lnum, offs);
241 	ubifs_err(c, "first %d bytes from LEB %d:%d", len, lnum, offs);
248  * @lnum: logical eraseblock number
253  * This function scans LEB number @lnum and returns complete information about
261 struct ubifs_scan_leb *ubifs_scan(const struct ubifs_info *c, int lnum,
268 	sleb = ubifs_start_scan(c, lnum, offs, sbuf);
277 			 lnum, offs, len);
281 		ret = ubifs_scan_a_node(c, buf, len, lnum, offs, quiet);
327 	ubifs_end_scan(c, sleb, lnum, offs);
336 					  lnum, offs);
344 		ubifs_scanned_corruption(c, lnum, offs, buf);
345 		ubifs_err(c, "LEB %d scanning failed", lnum);
352 	ubifs_err(c, "LEB %d scanning failed, error %d", lnum, err);