diff options
Diffstat (limited to 'fs/posix_acl.c')
| -rw-r--r-- | fs/posix_acl.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/fs/posix_acl.c b/fs/posix_acl.c index f3309a7edb49..f5c25f580dd9 100644 --- a/fs/posix_acl.c +++ b/fs/posix_acl.c @@ -22,6 +22,7 @@ #include <linux/xattr.h> #include <linux/export.h> #include <linux/user_namespace.h> +#include <linux/namei.h> static struct posix_acl **acl_by_type(struct inode *inode, int type) { @@ -56,7 +57,17 @@ EXPORT_SYMBOL(get_cached_acl); struct posix_acl *get_cached_acl_rcu(struct inode *inode, int type) { - return rcu_dereference(*acl_by_type(inode, type)); + struct posix_acl *acl = rcu_dereference(*acl_by_type(inode, type)); + + if (acl == ACL_DONT_CACHE) { + struct posix_acl *ret; + + ret = inode->i_op->get_acl(inode, type, LOOKUP_RCU); + if (!IS_ERR(ret)) + acl = ret; + } + + return acl; } EXPORT_SYMBOL(get_cached_acl_rcu); @@ -138,7 +149,7 @@ struct posix_acl *get_acl(struct inode *inode, int type) set_cached_acl(inode, type, NULL); return NULL; } - acl = inode->i_op->get_acl(inode, type); + acl = inode->i_op->get_acl(inode, type, false); if (IS_ERR(acl)) { /* |