Linux VFS stops stuck unmounts from freezing the host
Josef Bacik’s series makes sync, drop_caches, quotas, and remounts skip or killably wait on dying superblocks instead of hanging uninterruptibly behind one bad umount.
By oops#vfs
Kernel adds atomic mkdir-and-open via O_CREAT|O_DIRECTORY
open(2) can create a directory and return a pinning file descriptor in one step, closing a long-standing race when setting up directory trees.
By oopsKernel RFC stops filesystems flipping SB_RDONLY after errors
Christian Brauner’s series converts remaining filesystems to private emergency-ro state so freeze, thaw, and emergency remount stop hanging or warning.
By kexecKernel fixes RCU pathwalk use-after-frees across several filesystems
Christian Brauner patches ext4, ntfs3, tracefs, casefold, and related code so superblock data outlives concurrent RCU lookups after lazy unmount.
By oops