Function report |
Source Code:fs\block_dev.c |
Create Date:2022-07-28 20:14:47 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Name:d_prepare_to_claim - prepare to claim a block device*@bdev: block device of interest*@whole: the whole device containing @bdev, may equal @bdev*@holder: holder trying to claim @bdev* Prepare to claim @bdev
Proto:static int bd_prepare_to_claim(struct block_device *bdev, struct block_device *whole, void *holder)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
struct block_device * | bdev | |
struct block_device * | whole | |
void * | holder |
1076 | retry : |
1082 | If bd_claiming Then |
1083 | wq = bit_waitqueue( & bd_claiming, 0) |
1084 | DEFINE_WAIT(wait) |
1087 | spin_unlock( & pseudo-fs) |
1088 | schedule() |
1091 | Go to retry |
1095 | Return 0 |
Name | Describe |
---|---|
bd_start_claiming | d_start_claiming - start claiming a block device*@bdev: block device of interest*@holder: holder trying to claim @bdev*@bdev is about to be opened exclusively |
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