ceph: Get rid of d_find_alias in ceph_set_acl

Create a variant of ceph_setattr that takes an inode instead of a
dentry.  Change __ceph_setxattr (and also __ceph_removexattr) to take an
inode instead of a dentry.  Use those in ceph_set_acl so that we no
longer need a dentry there.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 12 insertions, 16 deletions

diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
index c6e917d360f7..248e32e3ae7d 100644
--- a/fs/ceph/xattr.c
+++ b/fs/ceph/xattr.c
@@ -877,11 +877,10 @@ out:
 	return err;
 }
 
-static int ceph_sync_setxattr(struct dentry *dentry, const char *name,
+static int ceph_sync_setxattr(struct inode *inode, const char *name,
 			      const char *value, size_t size, int flags)
 {
-	struct ceph_fs_client *fsc = ceph_sb_to_client(dentry->d_sb);
-	struct inode *inode = d_inode(dentry);
+	struct ceph_fs_client *fsc = ceph_sb_to_client(inode->i_sb);
 	struct ceph_inode_info *ci = ceph_inode(inode);
 	struct ceph_mds_request *req;
 	struct ceph_mds_client *mdsc = fsc->mdsc;
@@ -939,13 +938,12 @@ out:
 	return err;
 }
 
-int __ceph_setxattr(struct dentry *dentry, const char *name,
+int __ceph_setxattr(struct inode *inode, const char *name,
 			const void *value, size_t size, int flags)
 {
-	struct inode *inode = d_inode(dentry);
 	struct ceph_vxattr *vxattr;
 	struct ceph_inode_info *ci = ceph_inode(inode);
-	struct ceph_mds_client *mdsc = ceph_sb_to_client(dentry->d_sb)->mdsc;
+	struct ceph_mds_client *mdsc = ceph_sb_to_client(inode->i_sb)->mdsc;
 	struct ceph_cap_flush *prealloc_cf = NULL;
 	int issued;
 	int err;
@@ -1056,7 +1054,7 @@ do_sync_unlocked:
 				    "during filling trace\n", inode);
 		err = -EBUSY;
 	} else {
-		err = ceph_sync_setxattr(dentry, name, value, size, flags);
+		err = ceph_sync_setxattr(inode, name, value, size, flags);
 	}
 out:
 	ceph_free_cap_flush(prealloc_cf);
@@ -1078,14 +1076,13 @@ int ceph_setxattr(struct dentry *dentry, const char *name,
 	if (size == 0)
 		value = "";  /* empty EA, do not remove */
 
-	return __ceph_setxattr(dentry, name, value, size, flags);
+	return __ceph_setxattr(d_inode(dentry), name, value, size, flags);
 }
 
-static int ceph_send_removexattr(struct dentry *dentry, const char *name)
+static int ceph_send_removexattr(struct inode *inode, const char *name)
 {
-	struct ceph_fs_client *fsc = ceph_sb_to_client(dentry->d_sb);
+	struct ceph_fs_client *fsc = ceph_sb_to_client(inode->i_sb);
 	struct ceph_mds_client *mdsc = fsc->mdsc;
-	struct inode *inode = d_inode(dentry);
 	struct ceph_mds_request *req;
 	int err;
 
@@ -1106,12 +1103,11 @@ static int ceph_send_removexattr(struct dentry *dentry, const char *name)
 	return err;
 }
 
-int __ceph_removexattr(struct dentry *dentry, const char *name)
+static int __ceph_removexattr(struct inode *inode, const char *name)
 {
-	struct inode *inode = d_inode(dentry);
 	struct ceph_vxattr *vxattr;
 	struct ceph_inode_info *ci = ceph_inode(inode);
-	struct ceph_mds_client *mdsc = ceph_sb_to_client(dentry->d_sb)->mdsc;
+	struct ceph_mds_client *mdsc = ceph_sb_to_client(inode->i_sb)->mdsc;
 	struct ceph_cap_flush *prealloc_cf = NULL;
 	int issued;
 	int err;
@@ -1192,7 +1188,7 @@ do_sync_unlocked:
 	if (lock_snap_rwsem)
 		up_read(&mdsc->snap_rwsem);
 	ceph_free_cap_flush(prealloc_cf);
-	err = ceph_send_removexattr(dentry, name);
+	err = ceph_send_removexattr(inode, name);
 	return err;
 }
 
@@ -1204,7 +1200,7 @@ int ceph_removexattr(struct dentry *dentry, const char *name)
 	if (!strncmp(name, XATTR_SYSTEM_PREFIX, XATTR_SYSTEM_PREFIX_LEN))
 		return generic_removexattr(dentry, name);
 
-	return __ceph_removexattr(dentry, name);
+	return __ceph_removexattr(d_inode(dentry), name);
 }
 
 #ifdef CONFIG_SECURITY