centos man page for shrink_dcache_sb

SHRINK_DCACHE_SB(9)						   The Linux VFS					       SHRINK_DCACHE_SB(9)

NAME
       shrink_dcache_sb - shrink dcache for a superblock

SYNOPSIS
       void shrink_dcache_sb(struct super_block * sb);

ARGUMENTS
       sb
	   superblock

DESCRIPTION
       Shrink the dcache for the specified super block. This is used to free the dcache before unmounting a file system.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						       SHRINK_DCACHE_SB(9)