Function report |
Source Code:fs\block_dev.c |
Create Date:2022-07-28 20:14:51 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
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Name:lookup_bdev - lookup a struct block_device by name*@pathname: special file representing the block device* Get a reference to the blockdevice at @pathname in the current* namespace if possible and return it. Return ERR_PTR(error)* otherwise.
Proto:struct block_device *lookup_bdev(const char *pathname)
Type:struct block_device
Parameter:
Type | Parameter | Name |
---|---|---|
const char * | pathname |
2193 | error = kern_path(pathname, llow links at the end , & path) |
2202 | If Not may_open_dev( & path) Then Go to fail |
2205 | bdev = bd_acquire(inode) |
2208 | out : |
2210 | Return bdev |
2211 | fail : |
2213 | Go to out |
Name | Describe |
---|---|
blkdev_get_by_path | lkdev_get_by_path - open a block device by name*@path: path to the block device to open*@mode: FMODE_* mask*@holder: exclusive holder identifier* Open the blockdevice described by the device file at @path. @mode* and @holder are identical to blkdev_get(). |
quotactl_block | look up a superblock on which quota ops will be performed* - use the name of a block device to find the superblock thereon |
Source code conversion tool public plug-in interface | X |
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