tree: https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git dm-fallocate head: c79eaa33c66f54e2e41c12bc7de505365b43401d commit: c79eaa33c66f54e2e41c12bc7de505365b43401d [22/22] block: wire blkdev_fallocate() to block_device_operations' reserve_space 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 >> block/blk-lib.c:331: warning: Excess function parameter 'gfp_mask' description in 'blkdev_ensure_space_exists' vim +331 block/blk-lib.c 315 } 316 EXPORT_SYMBOL(blkdev_issue_zeroout); 317 318 /** 319 * blkdev_ensure_space_exists - preallocate a block range 320 * @bdev: blockdev to preallocate space for 321 * @sector: start sector 322 * @nr_sects: number of sectors to preallocate 323 * @gfp_mask: memory allocation flags (for bio_alloc) 324 * @flags: FALLOC_FL_* to control behaviour 325 * 326 * Description: 327 * Ensure space exists, or is preallocated, for the sectors in question. 328 */ 329 int blkdev_ensure_space_exists(struct block_device *bdev, sector_t sector, 330 sector_t nr_sects, unsigned long flags) > 331 { 332 sector_t res; 333 const struct block_device_operations *ops = bdev->bd_disk->fops; 334 335 if (!ops->reserve_space) 336 return -EOPNOTSUPP; 337 338 // FIXME: check with Brian Foster on whether it makes sense to 339 // use BDEV_RES_GET/BDEV_RES_MOD instead of BDEV_RES_PROVISION? --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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