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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/jffs2
parent34286d6662308d82aed891852d04c7c3a2649b16 (diff)
downloadop-kernel-dev-b74c79e99389cd79b31fcc08f82c24e492e63c7e.zip
op-kernel-dev-b74c79e99389cd79b31fcc08f82c24e492e63c7e.tar.gz
fs: provide rcu-walk aware permission i_ops
Signed-off-by: Nick Piggin <npiggin@kernel.dk>
Diffstat (limited to 'fs/jffs2')
-rw-r--r--fs/jffs2/acl.c5
-rw-r--r--fs/jffs2/acl.h2
2 files changed, 5 insertions, 2 deletions
diff --git a/fs/jffs2/acl.c b/fs/jffs2/acl.c
index 54a92fd..95b7967 100644
--- a/fs/jffs2/acl.c
+++ b/fs/jffs2/acl.c
@@ -259,11 +259,14 @@ static int jffs2_set_acl(struct inode *inode, int type, struct posix_acl *acl)
return rc;
}
-int jffs2_check_acl(struct inode *inode, int mask)
+int jffs2_check_acl(struct inode *inode, int mask, unsigned int flags)
{
struct posix_acl *acl;
int rc;
+ if (flags & IPERM_FLAG_RCU)
+ return -ECHILD;
+
acl = jffs2_get_acl(inode, ACL_TYPE_ACCESS);
if (IS_ERR(acl))
return PTR_ERR(acl);
diff --git a/fs/jffs2/acl.h b/fs/jffs2/acl.h
index 5e42de8..3119f59 100644
--- a/fs/jffs2/acl.h
+++ b/fs/jffs2/acl.h
@@ -26,7 +26,7 @@ struct jffs2_acl_header {
#ifdef CONFIG_JFFS2_FS_POSIX_ACL
-extern int jffs2_check_acl(struct inode *, int);
+extern int jffs2_check_acl(struct inode *, int, unsigned int);
extern int jffs2_acl_chmod(struct inode *);
extern int jffs2_init_acl_pre(struct inode *, struct inode *, int *);
extern int jffs2_init_acl_post(struct inode *);
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