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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2018-11-01 22:48:48 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2018-11-01 22:48:48 +0100 |
| commit | 7260935d71b6d582376543844185add72848dde8 (patch) | |
| tree | 611e2e57a36e2d65d27fc734abb64ea04d6a3ceb /Documentation/filesystems | |
| parent | Merge tag 'devicetree-fixes-for-4.20-1' of git://git.kernel.org/pub/scm/linux... (diff) | |
| parent | ovl: automatically enable redirect_dir on metacopy=on (diff) | |
| download | linux-7260935d71b6d582376543844185add72848dde8.tar.xz linux-7260935d71b6d582376543844185add72848dde8.zip | |
Merge tag 'ovl-update-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
Pull overlayfs updates from Miklos Szeredi:
"A mix of fixes and cleanups"
* tag 'ovl-update-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
ovl: automatically enable redirect_dir on metacopy=on
ovl: check whiteout in ovl_create_over_whiteout()
ovl: using posix_acl_xattr_size() to get size instead of posix_acl_to_xattr()
ovl: abstract ovl_inode lock with a helper
ovl: remove the 'locked' argument of ovl_nlink_{start,end}
ovl: relax requirement for non null uuid of lower fs
ovl: fold copy-up helpers into callers
ovl: untangle copy up call chain
ovl: relax permission checking on underlying layers
ovl: fix recursive oi->lock in ovl_link()
vfs: fix FIGETBSZ ioctl on an overlayfs file
ovl: clean up error handling in ovl_get_tmpfile()
ovl: fix error handling in ovl_verify_set_fh()
Diffstat (limited to 'Documentation/filesystems')
| -rw-r--r-- | Documentation/filesystems/overlayfs.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/filesystems/overlayfs.txt b/Documentation/filesystems/overlayfs.txt index 51c136c821bf..eef7d9d259e8 100644 --- a/Documentation/filesystems/overlayfs.txt +++ b/Documentation/filesystems/overlayfs.txt @@ -286,6 +286,12 @@ pointed by REDIRECT. This should not be possible on local system as setting "trusted." xattrs will require CAP_SYS_ADMIN. But it should be possible for untrusted layers like from a pen drive. +Note: redirect_dir={off|nofollow|follow(*)} conflicts with metacopy=on, and +results in an error. + +(*) redirect_dir=follow only conflicts with metacopy=on if upperdir=... is +given. + Sharing and copying layers -------------------------- |