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authorNick Piggin <npiggin@kernel.dk>2011-01-07 07:49:58 +0100
committerNick Piggin <npiggin@kernel.dk>2011-01-07 07:50:29 +0100
commitb74c79e99389cd79b31fcc08f82c24e492e63c7e (patch)
tree763c6b412517306670bc625e90035f2d16bb739f /fs/ext3/acl.c
parentfs: rcu-walk aware d_revalidate method (diff)
downloadlinux-b74c79e99389cd79b31fcc08f82c24e492e63c7e.tar.xz
linux-b74c79e99389cd79b31fcc08f82c24e492e63c7e.zip
fs: provide rcu-walk aware permission i_ops
Signed-off-by: Nick Piggin <npiggin@kernel.dk>
Diffstat (limited to 'fs/ext3/acl.c')
-rw-r--r--fs/ext3/acl.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/ext3/acl.c b/fs/ext3/acl.c
index 8a11fe212183..9e49da8302d3 100644
--- a/fs/ext3/acl.c
+++ b/fs/ext3/acl.c
@@ -240,10 +240,14 @@ ext3_set_acl(handle_t *handle, struct inode *inode, int type,
}
int
-ext3_check_acl(struct inode *inode, int mask)
+ext3_check_acl(struct inode *inode, int mask, unsigned int flags)
{
- struct posix_acl *acl = ext3_get_acl(inode, ACL_TYPE_ACCESS);
+ struct posix_acl *acl;
+
+ if (flags & IPERM_FLAG_RCU)
+ return -ECHILD;
+ acl = ext3_get_acl(inode, ACL_TYPE_ACCESS);
if (IS_ERR(acl))
return PTR_ERR(acl);
if (acl) {