xfs: open code updating i_mode in xfs_set_acl

Rather than going through the big and hairy xfs_setattr_nonsize function,
just open code a transactional i_mode and i_ctime update.  This allows
to mark xfs_setattr_nonsize and remove the flags argument to it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Gao Xiang <hsiangkao@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

diff --git a/fs/xfs/xfs_acl.c b/fs/xfs/xfs_acl.c
index c544951..779cb73 100644 (file)
--- a/fs/xfs/xfs_acl.c
+++ b/fs/xfs/xfs_acl.c
@@ -16,6 +16,7 @@
 #include "xfs_acl.h"
 #include "xfs_da_format.h"
 #include "xfs_da_btree.h"
+#include "xfs_trans.h"
 
 #include <linux/posix_acl_xattr.h>
 
@@ -212,21 +213,28 @@ __xfs_set_acl(struct inode *inode, struct posix_acl *acl, int type)
 }
 
 static int
-xfs_set_mode(struct inode *inode, umode_t mode)
+xfs_acl_set_mode(
+       struct inode            *inode,
+       umode_t                 mode)
 {
-       int error = 0;
-
-       if (mode != inode->i_mode) {
-               struct iattr iattr;
+       struct xfs_inode        *ip = XFS_I(inode);
+       struct xfs_mount        *mp = ip->i_mount;
+       struct xfs_trans        *tp;
+       int                     error;
 
-               iattr.ia_valid = ATTR_MODE | ATTR_CTIME;
-               iattr.ia_mode = mode;
-               iattr.ia_ctime = current_time(inode);
+       error = xfs_trans_alloc(mp, &M_RES(mp)->tr_ichange, 0, 0, 0, &tp);
+       if (error)
+               return error;
 
-               error = xfs_setattr_nonsize(XFS_I(inode), &iattr, XFS_ATTR_NOACL);
-       }
+       xfs_ilock(ip, XFS_ILOCK_EXCL);
+       xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
+       inode->i_mode = mode;
+       inode->i_ctime = current_time(inode);
+       xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
 
-       return error;
+       if (mp->m_flags & XFS_MOUNT_WSYNC)
+               xfs_trans_set_sync(tp);
+       return xfs_trans_commit(tp);
 }
 
 int
@@ -251,18 +259,14 @@ xfs_set_acl(struct inode *inode, struct posix_acl *acl, int type)
        }
 
  set_acl:
-       error =  __xfs_set_acl(inode, acl, type);
-       if (error)
-               return error;
-
        /*
         * We set the mode after successfully updating the ACL xattr because the
         * xattr update can fail at ENOSPC and we don't want to change the mode
         * if the ACL update hasn't been applied.
         */
-       if (set_mode)
-               error = xfs_set_mode(inode, mode);
-
+       error =  __xfs_set_acl(inode, acl, type);
+       if (!error && set_mode && mode != inode->i_mode)
+               error = xfs_acl_set_mode(inode, mode);
        return error;
 }
 

diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c
index a0644da..67c8dc9 100644 (file)
--- a/fs/xfs/xfs_iops.c
+++ b/fs/xfs/xfs_iops.c
@@ -646,11 +646,10 @@ xfs_vn_change_ok(
  * Caution: The caller of this function is responsible for calling
  * setattr_prepare() or otherwise verifying the change is fine.
  */
-int
+static int
 xfs_setattr_nonsize(
        struct xfs_inode        *ip,
-       struct iattr            *iattr,
-       int                     flags)
+       struct iattr            *iattr)
 {
        xfs_mount_t             *mp = ip->i_mount;
        struct inode            *inode = VFS_I(ip);
@@ -807,7 +806,7 @@ xfs_setattr_nonsize(
         *           to attr_set.  No previous user of the generic
         *           Posix ACL code seems to care about this issue either.
         */
-       if ((mask & ATTR_MODE) && !(flags & XFS_ATTR_NOACL)) {
+       if (mask & ATTR_MODE) {
                error = posix_acl_chmod(inode, inode->i_mode);
                if (error)
                        return error;
@@ -863,7 +862,7 @@ xfs_setattr_size(
                 * Use the regular setattr path to update the timestamps.
                 */
                iattr->ia_valid &= ~ATTR_SIZE;
-               return xfs_setattr_nonsize(ip, iattr, 0);
+               return xfs_setattr_nonsize(ip, iattr);
        }
 
        /*
@@ -1074,7 +1073,7 @@ xfs_vn_setattr(
 
                error = xfs_vn_change_ok(dentry, iattr);
                if (!error)
-                       error = xfs_setattr_nonsize(ip, iattr, 0);
+                       error = xfs_setattr_nonsize(ip, iattr);
        }
 
        return error;

diff --git a/fs/xfs/xfs_iops.h b/fs/xfs/xfs_iops.h
index a91e2d1..99ca745 100644 (file)
--- a/fs/xfs/xfs_iops.h
+++ b/fs/xfs/xfs_iops.h
@@ -13,14 +13,7 @@ extern const struct file_operations xfs_dir_file_operations;
 
 extern ssize_t xfs_vn_listxattr(struct dentry *, char *data, size_t size);
 
-/*
- * Internal setattr interfaces.
- */
-#define XFS_ATTR_NOACL         0x01    /* Don't call posix_acl_chmod */
-
 extern void xfs_setattr_time(struct xfs_inode *ip, struct iattr *iattr);
-extern int xfs_setattr_nonsize(struct xfs_inode *ip, struct iattr *vap,
-                              int flags);
 extern int xfs_vn_setattr_size(struct dentry *dentry, struct iattr *vap);
 
 #endif /* __XFS_IOPS_H__ */