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ovl: update doc 

The quirk for file locks and leases no longer applies.

Add missing info about renaming directory residing on lower layer.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Miklos Szeredi 2016-12-16 11:02:54 +01:00
parent b335e9d994
commit 2d8f2908e6
1 changed files with 3 additions and 3 deletions
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6
Documentation/filesystems/overlayfs.txt
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@ -185,13 +185,13 @@ filesystem, so both st_dev and st_ino of the file may change.
Any open files referring to this inode will access the old data. Any open files referring to this inode will access the old data.
Any file locks (and leases) obtained before copy_up will not apply
to the copied up file.
If a file with multiple hard links is copied up, then this will If a file with multiple hard links is copied up, then this will
"break" the link. Changes will not be propagated to other names "break" the link. Changes will not be propagated to other names
referring to the same inode. referring to the same inode.
Directory trees are not copied up. If rename(2) is performed on a directory
which is on the lower layer or is merged, then -EXDEV will be returned.
Changes to underlying filesystems Changes to underlying filesystems
--------------------------------- ---------------------------------