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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-12-14 11:13:54 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-12-14 11:13:54 -0800 |
| commit | 81c64b0bd0900405b4e55f3d48a2fc7dd5e1676c (patch) | |
| tree | a4cdfebf4e3e39bd80b1685c389ffea04baaf8dd /Documentation | |
| parent | e31736d9fae841e8a1612f263136454af10f476a (diff) | |
| parent | 35c6cb41686c4de03d738fd95617a0cf7441bbe1 (diff) | |
| download | lwn-81c64b0bd0900405b4e55f3d48a2fc7dd5e1676c.tar.gz lwn-81c64b0bd0900405b4e55f3d48a2fc7dd5e1676c.zip | |
Merge tag 'ovl-fixes-5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs
Pull overlayfs fixes from Miklos Szeredi:
"Fix some bugs and documentation"
* tag 'ovl-fixes-5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
docs: filesystems: overlayfs: Fix restview warnings
docs: filesystems: overlayfs: Rename overlayfs.txt to .rst
ovl: relax WARN_ON() on rename to self
ovl: fix corner case of non-unique st_dev;st_ino
ovl: don't use a temp buf for encoding real fh
ovl: make sure that real fid is 32bit aligned in memory
ovl: fix lookup failure on multi lower squashfs
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/filesystems/overlayfs.rst (renamed from Documentation/filesystems/overlayfs.txt) | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/Documentation/filesystems/overlayfs.txt b/Documentation/filesystems/overlayfs.rst index 845d689e0fd7..e443be7928db 100644 --- a/Documentation/filesystems/overlayfs.txt +++ b/Documentation/filesystems/overlayfs.rst @@ -1,3 +1,5 @@ +.. SPDX-License-Identifier: GPL-2.0 + Written by: Neil Brown Please see MAINTAINERS file for where to send questions. @@ -181,7 +183,7 @@ Kernel config options: worried about backward compatibility with kernels that have the redirect_dir feature and follow redirects even if turned off. -Module options (can also be changed through /sys/module/overlay/parameters/*): +Module options (can also be changed through /sys/module/overlay/parameters/): - "redirect_dir=BOOL": See OVERLAY_FS_REDIRECT_DIR kernel config option above. @@ -263,7 +265,7 @@ top, lower2 the middle and lower3 the bottom layer. Metadata only copy up --------------------- +--------------------- When metadata only copy up feature is enabled, overlayfs will only copy up metadata (as opposed to whole file), when a metadata specific operation @@ -286,10 +288,10 @@ 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 +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 +[*] redirect_dir=follow only conflicts with metacopy=on if upperdir=... is given. Sharing and copying layers |