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Revert "ovl: fix may_write_real() for overlayfs directories" 

This reverts commit 954c736f86.

Overlayfs no longer relies on the vfs for checking writability of files.

Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Miklos Szeredi 2018-07-18 15:44:43 +02:00
parent a6518f73e6
commit d561f21856
1 changed files with 1 additions and 3 deletions
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4
fs/namespace.c
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@ -468,9 +468,7 @@ static inline int may_write_real(struct file *file)
/* File refers to upper, writable layer? */
upperdentry = d_real(dentry, NULL, 0, D_REAL_UPPER);
if (upperdentry &&
(file_inode(file) == d_inode(upperdentry) ||
file_inode(file) == d_inode(dentry)))
if (upperdentry && file_inode(file) == d_inode(upperdentry))
return 0;
/* Lower layer: can't write to real file, sorry... */