summaryrefslogtreecommitdiff
path: root/fs/xfs
diff options
context:
space:
mode:
authorNick Piggin <npiggin@kernel.dk>2011-01-07 17:49:58 +1100
committerNick Piggin <npiggin@kernel.dk>2011-01-07 17:50:29 +1100
commitb74c79e99389cd79b31fcc08f82c24e492e63c7e (patch)
tree763c6b412517306670bc625e90035f2d16bb739f /fs/xfs
parent34286d6662308d82aed891852d04c7c3a2649b16 (diff)
downloadlinux-3.10-b74c79e99389cd79b31fcc08f82c24e492e63c7e.tar.gz
linux-3.10-b74c79e99389cd79b31fcc08f82c24e492e63c7e.tar.bz2
linux-3.10-b74c79e99389cd79b31fcc08f82c24e492e63c7e.zip
fs: provide rcu-walk aware permission i_ops
Signed-off-by: Nick Piggin <npiggin@kernel.dk>
Diffstat (limited to 'fs/xfs')
-rw-r--r--fs/xfs/linux-2.6/xfs_acl.c8
-rw-r--r--fs/xfs/xfs_acl.h2
2 files changed, 7 insertions, 3 deletions
diff --git a/fs/xfs/linux-2.6/xfs_acl.c b/fs/xfs/linux-2.6/xfs_acl.c
index b2771862fd3..4b11eaf6a58 100644
--- a/fs/xfs/linux-2.6/xfs_acl.c
+++ b/fs/xfs/linux-2.6/xfs_acl.c
@@ -219,12 +219,16 @@ xfs_set_acl(struct inode *inode, int type, struct posix_acl *acl)
}
int
-xfs_check_acl(struct inode *inode, int mask)
+xfs_check_acl(struct inode *inode, int mask, unsigned int flags)
{
- struct xfs_inode *ip = XFS_I(inode);
+ struct xfs_inode *ip;
struct posix_acl *acl;
int error = -EAGAIN;
+ if (flags & IPERM_FLAG_RCU)
+ return -ECHILD;
+
+ ip = XFS_I(inode);
trace_xfs_check_acl(ip);
/*
diff --git a/fs/xfs/xfs_acl.h b/fs/xfs/xfs_acl.h
index 0135e2a669d..11dd72070cb 100644
--- a/fs/xfs/xfs_acl.h
+++ b/fs/xfs/xfs_acl.h
@@ -42,7 +42,7 @@ struct xfs_acl {
#define SGI_ACL_DEFAULT_SIZE (sizeof(SGI_ACL_DEFAULT)-1)
#ifdef CONFIG_XFS_POSIX_ACL
-extern int xfs_check_acl(struct inode *inode, int mask);
+extern int xfs_check_acl(struct inode *inode, int mask, unsigned int flags);
extern struct posix_acl *xfs_get_acl(struct inode *inode, int type);
extern int xfs_inherit_acl(struct inode *inode, struct posix_acl *default_acl);
extern int xfs_acl_chmod(struct inode *inode);