fs: take the ACL checks to common code

Replace the ->check_acl method with a ->get_acl method that simply reads an
ACL from disk after having a cache miss.  This means we can replace the ACL
checking boilerplate code with a single implementation in namei.c.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

4 files changed, 4 insertions, 20 deletions

diff --git a/fs/jfs/acl.c b/fs/jfs/acl.c
index 687a1ae42e3f..b3a32caf2b45 100644
--- a/fs/jfs/acl.c
+++ b/fs/jfs/acl.c
@@ -27,7 +27,7 @@
 #include "jfs_xattr.h"
 #include "jfs_acl.h"
 
-static struct posix_acl *jfs_get_acl(struct inode *inode, int type)
+struct posix_acl *jfs_get_acl(struct inode *inode, int type)
 {
         struct posix_acl *acl;
         char *ea_name;
@@ -114,22 +114,6 @@ out:
         return rc;
 }
 
-int jfs_check_acl(struct inode *inode, int mask)
-{
-        struct posix_acl *acl;
-
-        acl = jfs_get_acl(inode, ACL_TYPE_ACCESS);
-        if (IS_ERR(acl))
-                return PTR_ERR(acl);
-        if (acl) {
-                int error = posix_acl_permission(inode, acl, mask);
-                posix_acl_release(acl);
-                return error;
-        }
-
-        return -EAGAIN;
-}
-
 int jfs_init_acl(tid_t tid, struct inode *inode, struct inode *dir)
 {
         struct posix_acl *acl = NULL;
diff --git a/fs/jfs/file.c b/fs/jfs/file.c
index 7527855b5cc6..844f9460cb11 100644
--- a/fs/jfs/file.c
+++ b/fs/jfs/file.c
@@ -140,7 +140,7 @@ const struct inode_operations jfs_file_inode_operations = {
         .removexattr    = jfs_removexattr,
         .setattr        = jfs_setattr,
 #ifdef CONFIG_JFS_POSIX_ACL
-        .check_acl      = jfs_check_acl,
+        .get_acl        = jfs_get_acl,
 #endif
 };
 
diff --git a/fs/jfs/jfs_acl.h b/fs/jfs/jfs_acl.h
index 54e07559878d..ad84fe50ca9e 100644
--- a/fs/jfs/jfs_acl.h
+++ b/fs/jfs/jfs_acl.h
@@ -20,7 +20,7 @@
 
 #ifdef CONFIG_JFS_POSIX_ACL
 
-int jfs_check_acl(struct inode *, int);
+struct posix_acl *jfs_get_acl(struct inode *inode, int type);
 int jfs_init_acl(tid_t, struct inode *, struct inode *);
 int jfs_acl_chmod(struct inode *inode);
 
diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
index 03787ef6a118..29b1f1a21142 100644
--- a/fs/jfs/namei.c
+++ b/fs/jfs/namei.c
@@ -1537,7 +1537,7 @@ const struct inode_operations jfs_dir_inode_operations = {
         .removexattr    = jfs_removexattr,
         .setattr        = jfs_setattr,
 #ifdef CONFIG_JFS_POSIX_ACL
-        .check_acl      = jfs_check_acl,
+        .get_acl        = jfs_get_acl,
 #endif
 };