tree: git://git.infradead.org/users/willy/linux-dax.git idr-2016-12-13
head: 4b63236cd97a3986ef687ca52000a8ad51f59727
commit: 4b63236cd97a3986ef687ca52000a8ad51f59727 [6/6] Reimplement IDR and IDA using the radix tree
reproduce: make htmldocs
All warnings (new ones prefixed by >>):
lib/crc32.c:148: warning: No description found for parameter 'tab)[256]'
lib/crc32.c:148: warning: Excess function parameter 'tab' description in 'crc32_le_generic'
lib/crc32.c:293: warning: No description found for parameter 'tab)[256]'
lib/crc32.c:293: warning: Excess function parameter 'tab' description in 'crc32_be_generic'
lib/crc32.c:1: warning: no structured comments found
>> lib/idr.c:223: warning: No description found for parameter 'start'
>> lib/idr.c:223: warning: No description found for parameter 'id'
>> lib/idr.c:223: warning: Excess function parameter 'starting_id' description in 'ida_get_new_above'
>> lib/idr.c:223: warning: Excess function parameter 'p_id' description in 'ida_get_new_above'
lib/idr.c:1: warning: no structured comments found
Was looking for 'IDA description'.
>> lib/idr.c:223: warning: No description found for parameter 'start'
>> lib/idr.c:223: warning: No description found for parameter 'id'
>> lib/idr.c:223: warning: Excess function parameter 'starting_id' description in 'ida_get_new_above'
>> lib/idr.c:223: warning: Excess function parameter 'p_id' description in 'ida_get_new_above'
drivers/pci/msi.c:623: warning: No description found for parameter 'affd'
drivers/pci/msi.c:623: warning: Excess function parameter 'affinity' description in 'msi_capability_init'
vim +/start +223 lib/idr.c
5d542ec7 Matthew Wilcox 2016-12-13 207 * @starting_id: id to start search at
5d542ec7 Matthew Wilcox 2016-12-13 208 * @p_id: pointer to the allocated handle
5d542ec7 Matthew Wilcox 2016-12-13 209 *
5d542ec7 Matthew Wilcox 2016-12-13 210 * Allocate new ID above or equal to @starting_id. It should be called
4b63236c Matthew Wilcox 2016-12-10 211 * with any required locks to ensure that concurrent calls to
4b63236c Matthew Wilcox 2016-12-10 212 * ida_get_new_above() / ida_get_new() / ida_remove() are not allowed.
4b63236c Matthew Wilcox 2016-12-10 213 * Consider using ida_simple_get() if you do not have complex locking
4b63236c Matthew Wilcox 2016-12-10 214 * requirements.
5d542ec7 Matthew Wilcox 2016-12-13 215 *
5d542ec7 Matthew Wilcox 2016-12-13 216 * If memory is required, it will return %-EAGAIN, you should unlock
5d542ec7 Matthew Wilcox 2016-12-13 217 * and go back to the ida_pre_get() call. If the ida is full, it will
5d542ec7 Matthew Wilcox 2016-12-13 218 * return %-ENOSPC.
5d542ec7 Matthew Wilcox 2016-12-13 219 *
5d542ec7 Matthew Wilcox 2016-12-13 220 * @p_id returns a value in the range @starting_id ... %0x7fffffff.
5d542ec7 Matthew Wilcox 2016-12-13 221 */
4b63236c Matthew Wilcox 2016-12-10 222 int ida_get_new_above(struct ida *ida, int start, int *id)
5d542ec7 Matthew Wilcox 2016-12-13 @223 {
4b63236c Matthew Wilcox 2016-12-10 224 struct radix_tree_root *root = &ida->ida_rt;
4b63236c Matthew Wilcox 2016-12-10 225 void **slot;
4b63236c Matthew Wilcox 2016-12-10 226 struct radix_tree_iter iter;
5d542ec7 Matthew Wilcox 2016-12-13 227 struct ida_bitmap *bitmap;
4b63236c Matthew Wilcox 2016-12-10 228 unsigned long index;
4b63236c Matthew Wilcox 2016-12-10 229 unsigned bit;
4b63236c Matthew Wilcox 2016-12-10 230 int new;
4b63236c Matthew Wilcox 2016-12-10 231
:::::: The code at line 223 was first introduced by commit
:::::: 5d542ec764108582e62ead046d20c053ac619b50 Revert "reimplement IDR and IDA using the radix tree"
:::::: TO: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx>
:::::: CC: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx>
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