31  * Provide the external interfaces to manage attribute lists.
39  * Internal routines when attribute list fits inside the inode.
44  * Internal routines when attribute list is one block.
52  * Internal routines when attribute list is more than one block.
78  * Retrieve an extended attribute and its value.  Must have ilock.
98  * Retrieve an extended attribute by name, and its value if requested.
101  * indication whether the attribute exists and the size of the value if it
105  * for the value after existence of the attribute has been determined. The
109  * If the attribute is found, but exceeds the size limit set by the caller in
110  * args->valuelen, return -ERANGE with the size of the attribute that was found
140  * Calculate how many blocks we need for the new attribute,
152 	 * Determine space new attribute will use, and if it would be  in xfs_attr_calc_size()
164 		 * Out of line attribute, cannot double split, but  in xfs_attr_calc_size()
165 		 * make room for the attribute value itself.  in xfs_attr_calc_size()
184 	 * Build initial attribute list (if required).  in xfs_attr_try_sf_addname()
208  * single-leaf-block attribute list.
233 	 * Try to add the attr to the attribute list in the inode.  in xfs_attr_set_shortform()
267  * Set the attribute specified in @args.
278 	 * If the attribute list is already in leaf format, jump straight to  in xfs_attr_set_args()
279 	 * leaf handling.  Otherwise, try to add the attribute to the shortform  in xfs_attr_set_args()
302 		 * Promote the attribute list to the Btree format.  in xfs_attr_set_args()
363  * Remove the attribute specified in @args.
387  * Note: If args->value is NULL the attribute will be removed, just like the
413 	 * We have no control over the attribute names that userspace passes us  in xfs_attr_set()
414 	 * to remove, so we have to allow the name lookup prior to attribute  in xfs_attr_set()
426 		 * If the inode doesn't have an attribute fork, add one.  in xfs_attr_set()
484 		/* shortform attribute has already been committed */  in xfs_attr_set()
523  * External routines when attribute list is inside the inode
535  * Add a name to the shortform attribute list structure
579  * External routines when attribute list is one block
607  * Tries to add an attribute to an inode in leaf form
610  * the transaction handling to the caller.  On success the attribute is added
624 	 * Look up the given attribute in the leaf block.  Figure out if  in xfs_attr_leaf_try_add()
638 		/* save the attribute state for later removal*/  in xfs_attr_leaf_try_add()
644 		 * values reflect the state of the attribute we are about to  in xfs_attr_leaf_try_add()
645 		 * add, not the attribute we just found and will remove later.  in xfs_attr_leaf_try_add()
653 	 * Add the attribute to the leaf block  in xfs_attr_leaf_try_add()
664  * Add a name to the leaf attribute list structure
694 	 * after we create the attribute so that we don't overflow the  in xfs_attr_leaf_addname()
715 	 * flags on the "new" and "old" attribute/value pairs so that one  in xfs_attr_leaf_addname()
717 	 * attribute/value pair.  in xfs_attr_leaf_addname()
734 	 * Dismantle the "old" attribute/value pair by removing a "remote" value  in xfs_attr_leaf_addname()
793  * Remove a name from the leaf attribute list structure
809 	 * Remove the attribute.  in xfs_attr_leaf_removename()
835  * Look up a name in a leaf attribute list structure.
898  * External routines when attribute list size > geo->blksize
902  * Add a name to a Btree-format attribute list.
908  * "Remote" attribute values confuse the issue and atomic rename operations
945 		/* save the attribute state for later removal*/  in xfs_attr_node_addname()
951 		 * values reflect the state of the attribute we are about to  in xfs_attr_node_addname()
952 		 * add, not the attribute we just found and will remove later.  in xfs_attr_node_addname()
1024 	 * after we create the attribute so that we don't overflow the  in xfs_attr_node_addname()
1045 	 * flags on the "new" and "old" attribute/value pairs so that one  in xfs_attr_node_addname()
1047 	 * attribute/value pair.  in xfs_attr_node_addname()
1063 	 * Dismantle the "old" attribute/value pair by removing a "remote" value  in xfs_attr_node_addname()
1079 	 * Re-find the "old" attribute entry after any split ops. The INCOMPLETE  in xfs_attr_node_addname()
1116  * Shrink an attribute from leaf to shortform
1149  * Mark an attribute entry INCOMPLETE and save pointers to the relevant buffers
1169 	 * Mark the attribute as INCOMPLETE  in xfs_attr_leaf_mark_incomplete()
1224  * Remove a name from a B-tree attribute list.
1247 	 * This is done before we remove the attribute so that we don't  in xfs_attr_node_removename()
1397  * Retrieve the attribute data from a node attribute list.
1399  * This routine gets called for any attribute fork that has more than one
1443 /* Returns true if the attribute entry name is valid. */