On Tue, Apr 21, 2020 at 01:25:19PM -0700, Darrick J. Wong wrote: > > DCACHE_DONTCACHE indicates a dentry should not be cached on final > > dput(). > > > > Also add a helper function to mark DCACHE_DONTCACHE on all dentries > > pointing to a specific inode when that inode is being set I_DONTCACHE. > > > > This facilitates dropping dentry references to inodes sooner which > > require eviction to swap S_DAX mode. Explain, please. Questions: 1) does that ever happen to directories? 2) how much trouble do we get if such inode is *NOT* evicted for, say, several days?
