bdev_dax_supported (9) Linux Manual Page
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.