28  * Compare the ntfs attribute embedded in the ntfs specific part of the vfs
29  * inode @vi for equality with the ntfs attribute @data.
53 		/* A fake inode describing an attribute. */  in ntfs_test_inode()
74  * Initialize the vfs inode @vi with the values from the ntfs attribute @data in
187  * ntfs_attr_iget - obtain a struct inode corresponding to an attribute
188  * @base_vi:	vfs base inode containing the attribute
189  * @type:	attribute type
190  * @name:	Unicode name of the attribute (NULL if unnamed)
193  * Obtain the (fake) struct inode corresponding to the attribute specified by
197  * If the attribute inode is in the cache, it is just returned with an
200  * attribute and fill in the inode structure.
205  * Return the struct inode of the attribute inode on success. Check the return
236 	 * There is no point in keeping bad attribute inodes around. This also  in ntfs_attr_iget()
237 	 * simplifies things in that we never need to check for bad attribute  in ntfs_attr_iget()
364 					   "Failed to free attribute clusters. Leaving inconsistent metadata.\n");  in ntfs_non_resident_dealloc_clusters()
440  * The attribute runlist lock has separate locking rules from the
521  * @ctx:	initialized attribute search context
523  * Search all file name attributes in the inode described by the attribute
561 					"Corrupt file name attribute. You should run chkdsk.");  in ntfs_is_extended_system_file()
584 		/* This attribute is ok, but is it in the $Extend directory? */  in ntfs_is_extended_system_file()
745 	 * Find the standard information attribute in the mft record. At this  in ntfs_read_locked_inode()
746 	 * stage we haven't setup the attribute list stuff yet, so this could  in ntfs_read_locked_inode()
755 			ntfs_error(vi->i_sb, "$STANDARD_INFORMATION attribute is missing.");  in ntfs_read_locked_inode()
759 	/* Get the standard information attribute value. */  in ntfs_read_locked_inode()
789 	/* Find the attribute list attribute if present. */  in ntfs_read_locked_inode()
794 			ntfs_error(vi->i_sb, "Failed to lookup attribute list attribute.");  in ntfs_read_locked_inode()
800 		ntfs_debug("Attribute list found in inode 0x%llx.", ni->mft_no);  in ntfs_read_locked_inode()
805 				"Attribute list attribute is compressed.");  in ntfs_read_locked_inode()
812 					"Non-resident attribute list attribute is encrypted/sparse.");  in ntfs_read_locked_inode()
816 …"Resident attribute list attribute in inode 0x%llx is marked encrypted/sparse which is not true.  …  in ntfs_read_locked_inode()
819 		/* Now allocate memory for the attribute list. */  in ntfs_read_locked_inode()
828 				"Not enough memory to allocate buffer for attribute list.");  in ntfs_read_locked_inode()
835 				ntfs_error(vi->i_sb, "Attribute list has non zero lowest_vcn.");  in ntfs_read_locked_inode()
839 			/* Now load the attribute list. */  in ntfs_read_locked_inode()
842 				ntfs_error(vi->i_sb, "Failed to load attribute list attribute.");  in ntfs_read_locked_inode()
846 			/* Now copy the attribute list. */  in ntfs_read_locked_inode()
888 	 * If an attribute list is present we now have the attribute list value  in ntfs_read_locked_inode()
896 		/* It is a directory, find index root attribute. */  in ntfs_read_locked_inode()
902 				ntfs_error(vi->i_sb, "$INDEX_ROOT attribute is missing.");  in ntfs_read_locked_inode()
909 				"$INDEX_ROOT attribute is not resident.");  in ntfs_read_locked_inode()
912 		/* Ensure the attribute name is placed before the value. */  in ntfs_read_locked_inode()
916 				"$INDEX_ROOT attribute name is placed after the attribute value.");  in ntfs_read_locked_inode()
931 				ntfs_error(vi->i_sb, "Found encrypted and compressed attribute.");  in ntfs_read_locked_inode()
953 				ntfs_error(vi->i_sb, "Indexed attribute is not zero.");  in ntfs_read_locked_inode()
958 				ntfs_error(vi->i_sb, "Indexed attribute is not $FILE_NAME.");  in ntfs_read_locked_inode()
1004 		/* Setup the index allocation attribute, even if not present. */  in ntfs_read_locked_inode()
1024 		/* Setup the data attribute, even if not present. */  in ntfs_read_locked_inode()
1029 		/* Find first extent of the unnamed data attribute. */  in ntfs_read_locked_inode()
1035 				ntfs_error(vi->i_sb, "Failed to lookup $DATA attribute.");  in ntfs_read_locked_inode()
1040 			 * attribute, so we special case it here.  in ntfs_read_locked_inode()
1070 			ntfs_error(vi->i_sb, "$DATA attribute is missing, err : %d", err);  in ntfs_read_locked_inode()
1150 					"First extent of $DATA attribute has non zero lowest_vcn.");  in ntfs_read_locked_inode()
1156 		} else { /* Resident attribute. */  in ntfs_read_locked_inode()
1164 					"Resident data attribute is corrupt (size exceeds allocation).");  in ntfs_read_locked_inode()
1218  * ntfs_read_locked_attr_inode - read an attribute inode from its base inode
1220  * @vi:		attribute inode to read
1223  * attribute inode described by @vi into memory from the base mft record
1227  * reading and looks up the attribute described by @vi before setting up the
1273 	/* Find the attribute. */  in ntfs_read_locked_attr_inode()
1286 					   "Found compressed non-data or named data attribute.");  in ntfs_read_locked_attr_inode()
1291 					"Found compressed attribute but compression is disabled due to cluster size (%i) > 4kiB.",  in ntfs_read_locked_attr_inode()
1307 				"Found mst protected attribute but the attribute is %s.",  in ntfs_read_locked_attr_inode()
1327 				"Found mst protected attribute but the attribute is encrypted.");  in ntfs_read_locked_attr_inode()
1332 				"Found encrypted non-data attribute.");  in ntfs_read_locked_attr_inode()
1339 		/* Ensure the attribute name is placed before the value. */  in ntfs_read_locked_attr_inode()
1343 				"Attribute name is placed after the attribute value.");  in ntfs_read_locked_attr_inode()
1348 				"Found mst protected attribute but the attribute is resident.");  in ntfs_read_locked_attr_inode()
1357 				"Resident attribute is corrupt (size exceeds allocation).");  in ntfs_read_locked_attr_inode()
1363 		 * Ensure the attribute name is placed before the mapping pairs  in ntfs_read_locked_attr_inode()
1370 				"Attribute name is placed after the mapping pairs array.");  in ntfs_read_locked_attr_inode()
1398 			ntfs_error(vi->i_sb, "First extent of attribute has non-zero lowest_vcn.");  in ntfs_read_locked_attr_inode()
1412 	 * attribute inode.  in ntfs_read_locked_attr_inode()
1436 …"Failed with error code %i while reading attribute inode (mft_no 0x%llx, type 0x%x, name_len %i). …  in ntfs_read_locked_attr_inode()
1458  * Note, index inodes are essentially attribute inodes (NInoAttr() is true)
1459  * with the attribute type set to AT_INDEX_ALLOCATION.  Apart from that, they
1462  * for small indices the index allocation attribute might not actually exist.
1463  * However, the index root attribute always exists but this does not need to
1465  * index.  Also, like for directories, we need to have an attribute inode for
1466  * the bitmap attribute corresponding to the index allocation attribute and we
1514 	/* Find the index root attribute. */  in ntfs_read_locked_index_inode()
1519 			ntfs_error(vi->i_sb, "$INDEX_ROOT attribute is missing.");  in ntfs_read_locked_index_inode()
1525 		ntfs_error(vol->sb, "$INDEX_ROOT attribute is not resident.");  in ntfs_read_locked_index_inode()
1528 	/* Ensure the attribute name is placed before the value. */  in ntfs_read_locked_index_inode()
1532 			"$INDEX_ROOT attribute name is placed after the attribute value.");  in ntfs_read_locked_index_inode()
1576 	/* Find index allocation attribute. */  in ntfs_read_locked_index_inode()
1591 			ntfs_error(vi->i_sb, "Failed to lookup $INDEX_ALLOCATION attribute.");  in ntfs_read_locked_index_inode()
1600 		ntfs_error(vi->i_sb, "$INDEX_ALLOCATION attribute is resident.");  in ntfs_read_locked_index_inode()
1604 	 * Ensure the attribute name is placed before the mapping pairs array.  in ntfs_read_locked_index_inode()
1609 			"$INDEX_ALLOCATION attribute name is placed after the mapping pairs array.");  in ntfs_read_locked_index_inode()
1613 		ntfs_error(vi->i_sb, "$INDEX_ALLOCATION attribute is encrypted.");  in ntfs_read_locked_index_inode()
1617 		ntfs_error(vi->i_sb, "$INDEX_ALLOCATION attribute is sparse.");  in ntfs_read_locked_index_inode()
1622 			"$INDEX_ALLOCATION attribute is compressed.");  in ntfs_read_locked_index_inode()
1627 			"First extent of $INDEX_ALLOCATION attribute has non zero lowest_vcn.");  in ntfs_read_locked_index_inode()
1641 	/* Get the index bitmap attribute inode. */  in ntfs_read_locked_index_inode()
1644 		ntfs_error(vi->i_sb, "Failed to get bitmap attribute.");  in ntfs_read_locked_index_inode()
1652 			"$BITMAP attribute is compressed and/or encrypted and/or sparse.");  in ntfs_read_locked_index_inode()
1698  * load_attribute_list_mount - load an attribute list into memory
1700  * @rl:			runlist of the attribute list
1703  * @initialized_size:	initialized size of the attribute list
1740 		/* The attribute list cannot be sparse. */  in load_attribute_list_mount()
1742 			ntfs_error(sb, "ntfs_rl_vcn_to_lcn() failed. Cannot read attribute list.");  in load_attribute_list_mount()
1755 			ntfs_error(sb, "Cannot read attribute list.");  in load_attribute_list_mount()
1800  * attribute list is actually present in $MFT inode.
1802  * We solve these problems by starting with the $DATA attribute before anything
1830 	/* Setup the data attribute. It is special as it is mst protected. */  in ntfs_read_inode_mount()
1864 	/* Determine the first block of the $MFT/$DATA attribute. */  in ntfs_read_inode_mount()
1894 	/* Need this to sanity check attribute list references to $MFT. */  in ntfs_read_inode_mount()
1906 	/* Find the attribute list attribute if present. */  in ntfs_read_inode_mount()
1911 				"Failed to lookup attribute list attribute. You should run chkdsk.");  in ntfs_read_inode_mount()
1919 		ntfs_debug("Attribute list attribute found in $MFT.");  in ntfs_read_inode_mount()
1924 				"Attribute list attribute is compressed.%s",  in ntfs_read_inode_mount()
1932 					"Non-resident attribute list attribute is encrypted/sparse.%s",  in ntfs_read_inode_mount()
1937 …"Resident attribute list attribute in $MFT system file is marked encrypted/sparse which is not tru…  in ntfs_read_inode_mount()
1939 		/* Now allocate memory for the attribute list. */  in ntfs_read_inode_mount()
1948 			ntfs_error(sb, "Not enough memory to allocate buffer for attribute list.");  in ntfs_read_inode_mount()
1958 					"Attribute list has non zero lowest_vcn. $MFT is corrupt. You should run chkdsk.");  in ntfs_read_inode_mount()
1976 					   "Failed to load attribute list with error code %i.",  in ntfs_read_inode_mount()
1981 			/* Now copy the attribute list. */  in ntfs_read_inode_mount()
1986 		/* The attribute list is now setup in memory. */  in ntfs_read_inode_mount()
1994 			/* Catch the end of the attribute list. */  in ntfs_read_inode_mount()
2008 			/* We want an unnamed attribute. */  in ntfs_read_inode_mount()
2033 	/* Now load all attribute extents. */  in ntfs_read_inode_mount()
2040 		/* Cache the current attribute. */  in ntfs_read_inode_mount()
2077 …"First extent of $DATA attribute has non zero lowest_vcn. $MFT is corrupt. You should run chkdsk."…  in ntfs_read_inode_mount()
2080 			/* Get the last vcn in the $DATA attribute. */  in ntfs_read_inode_mount()
2147 			ntfs_error(sb, "$MFT has corrupt attribute list attribute. Run chkdsk.");  in ntfs_read_inode_mount()
2152 		ntfs_error(sb, "Failed to lookup $MFT/$DATA attribute extent. Run chkdsk.\n");  in ntfs_read_inode_mount()
2156 		ntfs_error(sb, "$MFT/$DATA attribute not found. $MFT is corrupt. Run chkdsk.");  in ntfs_read_inode_mount()
2181 		"Couldn't find first extent of $DATA attribute in attribute list. $MFT is corrupt. Run chkdsk.");  in ntfs_read_inode_mount()
2434  * ntfs_inode_sync_standard_information - update standard information attribute
2449 	/* Update the access times in the standard information attribute. */  in ntfs_inode_sync_standard_information()
2505 	 * If we just modified the standard information attribute we need to  in ntfs_inode_sync_standard_information()
2625 			 * attribute update implied the unnamed data to be  in ntfs_inode_sync_filename()
2648 		ntfs_error(sb, "Attribute lookup failed, err : %d, inode %llu", err,  in ntfs_inode_sync_filename()
2719 	 * Dirty attribute inodes are written via their real inodes so just  in __ntfs_write_inode()
2981 	/* Inode haven't got attribute list, thus nothing to attach. */  in ntfs_inode_attach_all_extents()
2990 	/* Walk through attribute list and attach all extents. */  in ntfs_inode_attach_all_extents()
3007  * ntfs_inode_add_attrlist - add attribute list to inode and fill it
3008  * @ni: opened ntfs inode to which add attribute list
3028 		ntfs_error(ni->vol->sb, "Inode already has attribute list");  in ntfs_inode_add_attrlist()
3036 	/* Form attribute list. */  in ntfs_inode_add_attrlist()
3049 			ntfs_error(ni->vol->sb, "Attribute list already present");  in ntfs_inode_add_attrlist()
3068 		/* Add attribute to attribute list. */  in ntfs_inode_add_attrlist()
3090 		ntfs_error(ni->vol->sb, "%s: Attribute lookup failed, inode %llu",  in ntfs_inode_add_attrlist()
3095 	/* Set in-memory attribute list. */  in ntfs_inode_add_attrlist()
3130 	/* Prevent ntfs_attr_recorm_rm from freeing attribute list. */  in ntfs_inode_add_attrlist()
3149 	 * Scan attribute list for attributes that placed not in the base MFT  in ntfs_inode_add_attrlist()
3163 							"Rollback failed to move attribute");  in ntfs_inode_add_attrlist()
3172 	/* Remove in-memory attribute list. */  in ntfs_inode_add_attrlist()
3305 		 * could point to an attribute in an extent mft record, but  in ntfs_attr_position()
3363 	 * search context on first attribute after $STANDARD_INFORMATION and  in ntfs_inode_free_space()
3367 	 * enumeration? Because in case we have got only in-memory attribute  in ntfs_inode_free_space()
3379 		 * Check whether attribute is from different MFT record. If so,  in ntfs_inode_free_space()
3408 		/* Move away attribute. */  in ntfs_inode_free_space()
3411 			ntfs_error(sb, "Failed to move out attribute #2");  in ntfs_inode_free_space()
3423 		 * Reposition to first attribute after $STANDARD_INFORMATION and  in ntfs_inode_free_space()
3533 			ntfs_debug("Failed to truncate attribute");  in ntfs_enlarge_attribute()