diff options
Diffstat (limited to 'fs/generic_acl.c')
| -rw-r--r-- | fs/generic_acl.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/fs/generic_acl.c b/fs/generic_acl.c index 6bc9e3a5a693..06c48a891832 100644 --- a/fs/generic_acl.c +++ b/fs/generic_acl.c @@ -190,14 +190,20 @@ generic_acl_chmod(struct inode *inode) } int -generic_check_acl(struct inode *inode, int mask) +generic_check_acl(struct inode *inode, int mask, unsigned int flags) { - struct posix_acl *acl = get_cached_acl(inode, ACL_TYPE_ACCESS); - - if (acl) { - int error = posix_acl_permission(inode, acl, mask); - posix_acl_release(acl); - return error; + if (flags & IPERM_FLAG_RCU) { + if (!negative_cached_acl(inode, ACL_TYPE_ACCESS)) + return -ECHILD; + } else { + struct posix_acl *acl; + + acl = get_cached_acl(inode, ACL_TYPE_ACCESS); + if (acl) { + int error = posix_acl_permission(inode, acl, mask); + posix_acl_release(acl); + return error; + } } return -EAGAIN; } |