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fs: provide rcu-walk aware permission i_ops

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Signed-off-by: Nick Piggin <npiggin@kernel.dk>
This commit is contained in:
Nick Piggin
2011-01-07 17:49:58 +11:00
parent 34286d6662
commit b74c79e993
60 changed files with 287 additions and 146 deletions
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8
fs/generic_acl.c
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@@ -190,10 +190,14 @@ 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);
struct posix_acl *acl;
if (flags & IPERM_FLAG_RCU)
return -ECHILD;
acl = get_cached_acl(inode, ACL_TYPE_ACCESS);
if (acl) {
int error = posix_acl_permission(inode, acl, mask);
posix_acl_release(acl);