xfs: use generic Posix ACL code

This patch rips out the XFS ACL handling code and uses the generic
fs/posix_acl.c code instead.  The ondisk format is of course left
unchanged.

This also introduces the same ACL caching all other Linux filesystems do
by adding pointers to the acl and default acl in struct xfs_inode.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Eric Sandeen <sandeen@sandeen.net>

1 files changed, 3 insertions, 0 deletions

diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c
index 73e1c0d767ac..76c540f719e4 100644
--- a/fs/xfs/xfs_iget.c
+++ b/fs/xfs/xfs_iget.c
@@ -18,6 +18,7 @@
 #include "xfs.h"
 #include "xfs_fs.h"
 #include "xfs_types.h"
+#include "xfs_acl.h"
 #include "xfs_bit.h"
 #include "xfs_log.h"
 #include "xfs_inum.h"
@@ -82,6 +83,7 @@ xfs_inode_alloc(
         memset(&ip->i_d, 0, sizeof(xfs_icdinode_t));
         ip->i_size = 0;
         ip->i_new_size = 0;
+        xfs_inode_init_acls(ip);
 
         /*
          * Initialize inode's trace buffers.
@@ -558,6 +560,7 @@ xfs_ireclaim(
         ASSERT(atomic_read(&ip->i_pincount) == 0);
         ASSERT(!spin_is_locked(&ip->i_flags_lock));
         ASSERT(completion_done(&ip->i_flush));
+        xfs_inode_clear_acls(ip);
         kmem_zone_free(xfs_inode_zone, ip);
 }