bdev_dax_supported(9) - phpMan
BDEV_DAX_SUPPORTED(9) The Linux VFS BDEV_DAX_SUPPORTED(9)
NAME
bdev_dax_supported - Check if the device supports dax for filesystem
SYNOPSIS
int bdev_dax_supported(struct super_block * sb, int blocksize);
ARGUMENTS
sb
The superblock of the device
blocksize
The block size of the device
DESCRIPTION
This is a library function for filesystems to check if the block device can be mounted
with dax option.
RETURN
negative errno if unsupported, 0 if supported.
COPYRIGHT
Kernel Hackers Manual 4.8. January 2017 BDEV_DAX_SUPPORTED(9)
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