xfs: Remove kmem_zalloc_large()

This patch aims to replace kmem_zalloc_large() with global kernel memory
API. So, all its callers are now using kvzalloc() directly, so kmalloc()
fallsback to vmalloc() automatically.
Signed-off-by: Carlos Maiolino <cmaiolino@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

fs/xfs/kmem.h

@@ -71,12 +71,6 @@ kmem_zalloc(size_t size, xfs_km_flags_t flags)
 	return kmem_alloc(size, flags | KM_ZERO);
 }
 
-static inline void *
-kmem_zalloc_large(size_t size, xfs_km_flags_t flags)
-{
-	return kmem_alloc_large(size, flags | KM_ZERO);
-}
-
 /*
  * Zone interfaces
  */

fs/xfs/scrub/symlink.c

@@ -22,7 +22,7 @@ xchk_setup_symlink(
 	struct xfs_inode	*ip)
 {
 	/* Allocate the buffer without the inode lock held. */
-	sc->buf = kmem_zalloc_large(XFS_SYMLINK_MAXLEN + 1, 0);
+	sc->buf = kvzalloc(XFS_SYMLINK_MAXLEN + 1, GFP_KERNEL);
 	if (!sc->buf)
 		return -ENOMEM;
 

fs/xfs/xfs_acl.c

@@ -192,7 +192,7 @@ __xfs_set_acl(struct inode *inode, struct posix_acl *acl, int type)
 
 	if (acl) {
 		args.valuelen = XFS_ACL_SIZE(acl->a_count);
-		args.value = kmem_zalloc_large(args.valuelen, 0);
+		args.value = kvzalloc(args.valuelen, GFP_KERNEL);
 		if (!args.value)
 			return -ENOMEM;
 		xfs_acl_to_disk(args.value, acl);

fs/xfs/xfs_ioctl.c

@@ -404,7 +404,7 @@ xfs_ioc_attr_list(
 	     context.cursor.offset))
 		return -EINVAL;
 
-	buffer = kmem_zalloc_large(bufsize, 0);
+	buffer = kvzalloc(bufsize, GFP_KERNEL);
 	if (!buffer)
 		return -ENOMEM;
 
@@ -1691,7 +1691,7 @@ xfs_ioc_getbmap(
 	if (bmx.bmv_count > ULONG_MAX / recsize)
 		return -ENOMEM;
 
-	buf = kmem_zalloc_large(bmx.bmv_count * sizeof(*buf), 0);
+	buf = kvzalloc(bmx.bmv_count * sizeof(*buf), GFP_KERNEL);
 	if (!buf)
 		return -ENOMEM;
 

fs/xfs/xfs_rtalloc.c

@@ -862,7 +862,7 @@ xfs_alloc_rsum_cache(
 	 * lower bound on the minimum level with any free extents. We can
 	 * continue without the cache if it couldn't be allocated.
 	 */
-	mp->m_rsum_cache = kmem_zalloc_large(rbmblocks, 0);
+	mp->m_rsum_cache = kvzalloc(rbmblocks, GFP_KERNEL);
 	if (!mp->m_rsum_cache)
 		xfs_warn(mp, "could not allocate realtime summary cache");
 }