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| author |   Miklos Szeredi <mszeredi@suse.cz> | 2013-10-01 16:44:54 +0200 |
|---|---|---|
| committer |   Al Viro <viro@zeniv.linux.org.uk> | 2013-10-24 23:41:37 -0400 |
| commit | b70a80e7a133a0c86f2fa078e7c144597c516415 (patch) | |
| tree | 378dbeeafc1510fb326eda10e1f48085be098f6c /fs/super.c | |
| parent | move taking vfsmount_lock down into prepend_path() (diff) | |
| download | linux-dev-b70a80e7a133a0c86f2fa078e7c144597c516415.tar.xz linux-dev-b70a80e7a133a0c86f2fa078e7c144597c516415.zip | |
vfs: introduce d_instantiate_no_diralias()
...which just returns -EBUSY if a directory alias would be created.
This is to be used by fuse mkdir to make sure that a buggy or malicious
userspace filesystem doesn't do anything nasty. Previously fuse used a
private mutex for this purpose, which can now go away.
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Diffstat (limited to 'fs/super.c')
0 files changed, 0 insertions, 0 deletions