other versions
| 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¶
struct super_block * sb
The superblock of the device
int 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¶
| June 2017 | Kernel Hackers Manual 4.11 |