[PATCH 0/4] [RFC] safely drop directory dentry on failed revalidate

[Miklos Szeredi]

Here's a series for fixing issues with d_drop on a directory dentry with
children and adding support for such dropped directories in fuse.

I tested the fuse part, but not the other filesystems (AFS, GFS2, NFS, SYSFS).
The changes to filesystems are pretty trivial, though.

Thanks,
Miklos

---
Anand Avati (1):
      fuse: drop dentry on failed revalidate

Miklos Szeredi (3):
      vfs: check submounts and drop atomically
      vfs: check unlinked ancestors before mount
      fuse: use d_materialise_unique()

---
 fs/afs/dir.c           |   6 +-
 fs/dcache.c            | 159 +++++++++++++++++++++++++++++++++++++++++++++++++
 fs/fuse/dir.c          |  76 ++++++++++-------------
 fs/gfs2/dentry.c       |   6 +-
 fs/internal.h          |   1 +
 fs/namespace.c         |   9 +++
 fs/nfs/dir.c           |  10 ++--
 fs/sysfs/dir.c         |   6 +-
 include/linux/dcache.h |   1 +
 9 files changed, 216 insertions(+), 58 deletions(-)


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