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Merge tag 'ovl-fixes-5.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs into master

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Pull overlayfs fixes from Miklos Szeredi:

 - fix a regression introduced in v4.20 in handling a regenerated
   squashfs lower layer

 - two regression fixes for this cycle, one of which is Oops inducing

 - miscellaneous issues

* tag 'ovl-fixes-5.8-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
  ovl: fix lookup of indexed hardlinks with metacopy
  ovl: fix unneeded call to ovl_change_flags()
  ovl: fix mount option checks for nfs_export with no upperdir
  ovl: force read-only sb on failure to create index dir
  ovl: fix regression with re-formatted lower squashfs
  ovl: fix oops in ovl_indexdir_cleanup() with nfs_export=on
  ovl: relax WARN_ON() when decoding lower directory file handle
  ovl: remove not used argument in ovl_check_origin
  ovl: change ovl_copy_up_flags static
  ovl: inode reference leak in ovl_is_inuse true case.
This commit is contained in:
Linus Torvalds
2020-07-17 10:29:19 -07:00
parent 33b9108f04 4518dfcf76
commit 44fea37378
7 changed files with 65 additions and 42 deletions
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4
Documentation/filesystems/overlayfs.rst
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@@ -560,8 +560,8 @@ When the NFS export feature is enabled, all directory index entries are
verified on mount time to check that upper file handles are not stale.
This verification may cause significant overhead in some cases.
Note: the mount options index=off,nfs_export=on are conflicting and will
result in an error.
Note: the mount options index=off,nfs_export=on are conflicting for a
read-write mount and will result in an error.
Testsuite