centos man page for blkdev_get_by_dev

Query: blkdev_get_by_dev

OS: centos

Section: 9

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

BLKDEV_GET_BY_DEV(9)						   The Linux VFS					      BLKDEV_GET_BY_DEV(9)

NAME
blkdev_get_by_dev - open a block device by device number
SYNOPSIS
struct block_device * blkdev_get_by_dev(dev_t dev, fmode_t mode, void * holder);
ARGUMENTS
dev device number of block device to open mode FMODE_* mask holder exclusive holder identifier
DESCRIPTION
Open the blockdevice described by device number dev. mode and holder are identical to blkdev_get. Use it ONLY if you really do not have anything better - i.e. when you are behind a truly sucky interface and all you are given is a device number. _Never_ to be used for internal purposes. If you ever need it - reconsider your API. On success, the returned block_device has reference count of one.
CONTEXT
Might sleep.
RETURNS
Pointer to block_device on success, ERR_PTR(-errno) on failure.
COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 BLKDEV_GET_BY_DEV(9)
Related Man Pages
makedev(3) - freebsd
device_create_vargs(9) - centos
device_create_with_groups(9) - centos
pktsetup(1) - debian
major(3) - freebsd
Similar Topics in the Unix Linux Community
Set hard block limit for user using quota
Tar Command
Shopt -s histappend
Unsure why access time on a directory change isn't changing
[TIP] Processing YAML files with yq