[PATCH 1/4] libxfs: remove kmem_alloc, kmem_zalloc, and kmem_free

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From: Darrick J. Wong <djwong@xxxxxxxxxx>

Remove all three of these helpers now that the kernel has dropped them.

Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
---
 db/bmap_inflate.c         |    2 +-
 include/kmem.h            |   10 +---------
 libxfs/defer_item.c       |    2 +-
 libxfs/init.c             |    2 +-
 libxfs/kmem.c             |   32 ++++++++++----------------------
 libxlog/xfs_log_recover.c |   19 +++++++++----------
 repair/bmap_repair.c      |    4 ++--
 7 files changed, 25 insertions(+), 46 deletions(-)


diff --git a/db/bmap_inflate.c b/db/bmap_inflate.c
index c85d5dc0d64a..00e1aff66567 100644
--- a/db/bmap_inflate.c
+++ b/db/bmap_inflate.c
@@ -327,7 +327,7 @@ populate_btree(
 	/* Leak any unused blocks */
 	list_for_each_entry_safe(resv, n, &bd.resv_list, list) {
 		list_del(&resv->list);
-		kmem_free(resv);
+		kfree(resv);
 	}
 	return error;
 }
diff --git a/include/kmem.h b/include/kmem.h
index 6818a404728f..386b4a6be783 100644
--- a/include/kmem.h
+++ b/include/kmem.h
@@ -50,15 +50,7 @@ kmem_cache_free(struct kmem_cache *cache, void *ptr)
 	free(ptr);
 }
 
-extern void	*kmem_alloc(size_t, int);
 extern void	*kvmalloc(size_t, gfp_t);
-extern void	*kmem_zalloc(size_t, int);
-
-static inline void
-kmem_free(const void *ptr) {
-	free((void *)ptr);
-}
-
 extern void	*krealloc(void *, size_t, int);
 
 static inline void *kmalloc(size_t size, gfp_t flags)
@@ -70,7 +62,7 @@ static inline void *kmalloc(size_t size, gfp_t flags)
 
 static inline void kfree(const void *ptr)
 {
-	return kmem_free(ptr);
+	free((void *)ptr);
 }
 
 #endif
diff --git a/libxfs/defer_item.c b/libxfs/defer_item.c
index d67032c26200..680a72664746 100644
--- a/libxfs/defer_item.c
+++ b/libxfs/defer_item.c
@@ -606,7 +606,7 @@ xfs_attr_free_item(
 	if (attr->xattri_da_state)
 		xfs_da_state_free(attr->xattri_da_state);
 	if (attr->xattri_da_args->op_flags & XFS_DA_OP_RECOVERY)
-		kmem_free(attr);
+		kfree(attr);
 	else
 		kmem_cache_free(xfs_attr_intent_cache, attr);
 }
diff --git a/libxfs/init.c b/libxfs/init.c
index f5cd85655cf0..d0478960278a 100644
--- a/libxfs/init.c
+++ b/libxfs/init.c
@@ -893,7 +893,7 @@ libxfs_buftarg_free(
 	struct xfs_buftarg	*btp)
 {
 	cache_destroy(btp->bcache);
-	kmem_free(btp);
+	kfree(btp);
 }
 
 /*
diff --git a/libxfs/kmem.c b/libxfs/kmem.c
index c264be018bdc..a2a3935d00e8 100644
--- a/libxfs/kmem.c
+++ b/libxfs/kmem.c
@@ -65,33 +65,21 @@ kmem_cache_zalloc(struct kmem_cache *cache, gfp_t flags)
 	return ptr;
 }
 
-void *
-kmem_alloc(size_t size, int flags)
-{
-	void	*ptr = malloc(size);
-
-	if (ptr == NULL) {
-		fprintf(stderr, _("%s: malloc failed (%d bytes): %s\n"),
-			progname, (int)size, strerror(errno));
-		exit(1);
-	}
-	return ptr;
-}
-
 void *
 kvmalloc(size_t size, gfp_t flags)
 {
+	void	*ptr;
+
 	if (flags & __GFP_ZERO)
-		return kmem_zalloc(size, 0);
-	return kmem_alloc(size, 0);
-}
+		ptr = calloc(1, size);
+	else
+		ptr = malloc(size);
 
-void *
-kmem_zalloc(size_t size, int flags)
-{
-	void	*ptr = kmem_alloc(size, flags);
-
-	memset(ptr, 0, size);
+	if (ptr == NULL) {
+		fprintf(stderr, _("%s: malloc failed (%d bytes): %s\n"),
+			progname, (int)size, strerror(errno));
+		exit(1);
+	}
 	return ptr;
 }
 
diff --git a/libxlog/xfs_log_recover.c b/libxlog/xfs_log_recover.c
index 99f759d5cb03..31b11fee9e47 100644
--- a/libxlog/xfs_log_recover.c
+++ b/libxlog/xfs_log_recover.c
@@ -991,7 +991,7 @@ xlog_recover_new_tid(
 {
 	struct xlog_recover	*trans;
 
-	trans = kmem_zalloc(sizeof(struct xlog_recover), 0);
+	trans = kzalloc(sizeof(struct xlog_recover), 0);
 	trans->r_log_tid   = tid;
 	trans->r_lsn	   = lsn;
 	INIT_LIST_HEAD(&trans->r_itemq);
@@ -1006,7 +1006,7 @@ xlog_recover_add_item(
 {
 	struct xlog_recover_item *item;
 
-	item = kmem_zalloc(sizeof(struct xlog_recover_item), 0);
+	item = kzalloc(sizeof(struct xlog_recover_item), 0);
 	INIT_LIST_HEAD(&item->ri_list);
 	list_add_tail(&item->ri_list, head);
 }
@@ -1085,7 +1085,7 @@ xlog_recover_add_to_trans(
 		return 0;
 	}
 
-	ptr = kmem_alloc(len, 0);
+	ptr = kmalloc(len, 0);
 	memcpy(ptr, dp, len);
 	in_f = (struct xfs_inode_log_format *)ptr;
 
@@ -1107,13 +1107,12 @@ xlog_recover_add_to_trans(
 		"bad number of regions (%d) in inode log format",
 				  in_f->ilf_size);
 			ASSERT(0);
-			kmem_free(ptr);
+			kfree(ptr);
 			return XFS_ERROR(EIO);
 		}
 
 		item->ri_total = in_f->ilf_size;
-		item->ri_buf =
-			kmem_zalloc(item->ri_total * sizeof(xfs_log_iovec_t),
+		item->ri_buf = kzalloc(item->ri_total * sizeof(xfs_log_iovec_t),
 				    0);
 	}
 	ASSERT(item->ri_total > item->ri_cnt);
@@ -1141,13 +1140,13 @@ xlog_recover_free_trans(
 		/* Free the regions in the item. */
 		list_del(&item->ri_list);
 		for (i = 0; i < item->ri_cnt; i++)
-			kmem_free(item->ri_buf[i].i_addr);
+			kfree(item->ri_buf[i].i_addr);
 		/* Free the item itself */
-		kmem_free(item->ri_buf);
-		kmem_free(item);
+		kfree(item->ri_buf);
+		kfree(item);
 	}
 	/* Free the transaction recover structure */
-	kmem_free(trans);
+	kfree(trans);
 }
 
 /*
diff --git a/repair/bmap_repair.c b/repair/bmap_repair.c
index 845584f18450..317061aa564f 100644
--- a/repair/bmap_repair.c
+++ b/repair/bmap_repair.c
@@ -595,7 +595,7 @@ xrep_bmap(
 	if (error)
 		return error;
 
-	rb = kmem_zalloc(sizeof(struct xrep_bmap), KM_NOFS | KM_MAYFAIL);
+	rb = kzalloc(sizeof(struct xrep_bmap), 0);
 	if (!rb)
 		return ENOMEM;
 	rb->sc = sc;
@@ -622,7 +622,7 @@ xrep_bmap(
 out_bitmap:
 	free_slab(&rb->bmap_records);
 out_rb:
-	kmem_free(rb);
+	kfree(rb);
 	return error;
 }
 





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