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(parent: becfd1f) | patch
fs: Don't allow to create hardlink for deleted file
authorAneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Sat, 29 Jan 2011 13:13:27 +0000 (18:43 +0530)
committerAl Viro <viro@zeniv.linux.org.uk>
Tue, 15 Mar 2011 06:21:44 +0000 (02:21 -0400)
commitaae8a97d3ec30788790d1720b71d76fd8eb44b73
tree12dbe7afc10da3eee7ce5dfcf389b655634737e0tree | snapshot
parentbecfd1f37544798cbdfd788f32c827160fab98c1commit | diff
fs: Don't allow to create hardlink for deleted file

Add inode->i_nlink == 0 check in VFS. Some of the file systems
do this internally. A followup patch will remove those instance.
This is needed to ensure that with link by handle we don't allow
to create hardlink of an unlinked file. The check also prevent a race
between unlink and link

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
fs/namei.c diff | blob | history
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