函数源码

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source File:fs\buffer.c Create Date:2022-07-29 10:45:13
首页 Copyright©Brick

1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
/*
 * Do async read-ahead on a buffer..
 */
void __breadahead(struct block_device *bdev, sector_t block, unsigned size)
{
    struct buffer_head *bh = __getblk(bdev, block, size);
    if (likely(bh)) {
        ll_rw_block(REQ_OP_READ, REQ_RAHEAD, 1, &bh);
        brelse(bh);
    }
}