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fs: provide rcu-walk aware permission i_ops

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Signed-off-by: Nick Piggin <npiggin@kernel.dk>
This commit is contained in:
Nick Piggin
2011-01-07 17:49:58 +11:00
parent 34286d6662
commit b74c79e993
60 changed files with 287 additions and 146 deletions
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11
fs/ceph/inode.c
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@ -1781,12 +1781,17 @@ int ceph_do_getattr(struct inode *inode, int mask)
* Check inode permissions. We verify we have a valid value for
* the AUTH cap, then call the generic handler.
*/
int ceph_permission(struct inode *inode, int mask)
int ceph_permission(struct inode *inode, int mask, unsigned int flags)
{
int err = ceph_do_getattr(inode, CEPH_CAP_AUTH_SHARED);
int err;
if (flags & IPERM_FLAG_RCU)
return -ECHILD;
err = ceph_do_getattr(inode, CEPH_CAP_AUTH_SHARED);
if (!err)
err = generic_permission(inode, mask, NULL);
err = generic_permission(inode, mask, flags, NULL);
return err;
}