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authorNick Piggin <npiggin@kernel.dk>2011-01-07 09:49:58 +0300
committerNick Piggin <npiggin@kernel.dk>2011-01-07 09:50:29 +0300
commitb74c79e99389cd79b31fcc08f82c24e492e63c7e (patch)
tree763c6b412517306670bc625e90035f2d16bb739f /fs/ecryptfs
parent34286d6662308d82aed891852d04c7c3a2649b16 (diff)
downloadlinux-b74c79e99389cd79b31fcc08f82c24e492e63c7e.tar.xz
fs: provide rcu-walk aware permission i_ops
Signed-off-by: Nick Piggin <npiggin@kernel.dk>
Diffstat (limited to 'fs/ecryptfs')
-rw-r--r--fs/ecryptfs/inode.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index f91b35db4c6e..337352a94751 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -980,8 +980,10 @@ int ecryptfs_truncate(struct dentry *dentry, loff_t new_length)
}
static int
-ecryptfs_permission(struct inode *inode, int mask)
+ecryptfs_permission(struct inode *inode, int mask, unsigned int flags)
{
+ if (flags & IPERM_FLAG_RCU)
+ return -ECHILD;
return inode_permission(ecryptfs_inode_to_lower(inode), mask);
}