btrfs: rename functions to allocate and free extent maps

These functions are exported and don't have a 'btrfs_' prefix in their
names, which goes against coding style conventions. Rename them to have
such prefix, making it clear they are from btrfs and avoiding potential
collisions in the future with functions defined elsewhere outside btrfs.

Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

2 files changed, 58 insertions, 58 deletions

diff --git a/fs/btrfs/tests/extent-map-tests.c b/fs/btrfs/tests/extent-map-tests.c
index 2c3cfa9479ab..3b7487c032d4 100644
--- a/fs/btrfs/tests/extent-map-tests.c
+++ b/fs/btrfs/tests/extent-map-tests.c
@@ -36,7 +36,7 @@ static int free_extent_map_tree(struct btrfs_inode *inode)
 			refcount_set(&em->refs, 1);
 		}
 #endif
-		free_extent_map(em);
+		btrfs_free_extent_map(em);
 	}
 	write_unlock(&em_tree->lock);
 
@@ -68,7 +68,7 @@ static int test_case_1(struct btrfs_fs_info *fs_info, struct btrfs_inode *inode)
 	int ret;
 	int ret2;
 
-	em = alloc_extent_map();
+	em = btrfs_alloc_extent_map();
 	if (!em) {
 		test_std_err(TEST_ALLOC_EXTENT_MAP);
 		return -ENOMEM;
@@ -87,10 +87,10 @@ static int test_case_1(struct btrfs_fs_info *fs_info, struct btrfs_inode *inode)
 		test_err("cannot add extent range [0, 16K)");
 		goto out;
 	}
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 
 	/* Add [16K, 20K) following [0, 16K)  */
-	em = alloc_extent_map();
+	em = btrfs_alloc_extent_map();
 	if (!em) {
 		test_std_err(TEST_ALLOC_EXTENT_MAP);
 		ret = -ENOMEM;
@@ -109,9 +109,9 @@ static int test_case_1(struct btrfs_fs_info *fs_info, struct btrfs_inode *inode)
 		test_err("cannot add extent range [16K, 20K)");
 		goto out;
 	}
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 
-	em = alloc_extent_map();
+	em = btrfs_alloc_extent_map();
 	if (!em) {
 		test_std_err(TEST_ALLOC_EXTENT_MAP);
 		ret = -ENOMEM;
@@ -145,7 +145,7 @@ static int test_case_1(struct btrfs_fs_info *fs_info, struct btrfs_inode *inode)
 			 em->disk_bytenr, em->disk_num_bytes);
 		ret = -EINVAL;
 	}
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 out:
 	ret2 = free_extent_map_tree(inode);
 	if (ret == 0)
@@ -167,7 +167,7 @@ static int test_case_2(struct btrfs_fs_info *fs_info, struct btrfs_inode *inode)
 	int ret;
 	int ret2;
 
-	em = alloc_extent_map();
+	em = btrfs_alloc_extent_map();
 	if (!em) {
 		test_std_err(TEST_ALLOC_EXTENT_MAP);
 		return -ENOMEM;
@@ -186,10 +186,10 @@ static int test_case_2(struct btrfs_fs_info *fs_info, struct btrfs_inode *inode)
 		test_err("cannot add extent range [0, 1K)");
 		goto out;
 	}
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 
 	/* Add [4K, 8K) following [0, 1K)  */
-	em = alloc_extent_map();
+	em = btrfs_alloc_extent_map();
 	if (!em) {
 		test_std_err(TEST_ALLOC_EXTENT_MAP);
 		ret = -ENOMEM;
@@ -208,9 +208,9 @@ static int test_case_2(struct btrfs_fs_info *fs_info, struct btrfs_inode *inode)
 		test_err("cannot add extent range [4K, 8K)");
 		goto out;
 	}
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 
-	em = alloc_extent_map();
+	em = btrfs_alloc_extent_map();
 	if (!em) {
 		test_std_err(TEST_ALLOC_EXTENT_MAP);
 		ret = -ENOMEM;
@@ -242,7 +242,7 @@ static int test_case_2(struct btrfs_fs_info *fs_info, struct btrfs_inode *inode)
 			 ret, em->start, em->len, em->disk_bytenr);
 		ret = -EINVAL;
 	}
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 out:
 	ret2 = free_extent_map_tree(inode);
 	if (ret == 0)
@@ -260,7 +260,7 @@ static int __test_case_3(struct btrfs_fs_info *fs_info,
 	int ret;
 	int ret2;
 
-	em = alloc_extent_map();
+	em = btrfs_alloc_extent_map();
 	if (!em) {
 		test_std_err(TEST_ALLOC_EXTENT_MAP);
 		return -ENOMEM;
@@ -279,9 +279,9 @@ static int __test_case_3(struct btrfs_fs_info *fs_info,
 		test_err("cannot add extent range [4K, 8K)");
 		goto out;
 	}
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 
-	em = alloc_extent_map();
+	em = btrfs_alloc_extent_map();
 	if (!em) {
 		test_std_err(TEST_ALLOC_EXTENT_MAP);
 		ret = -ENOMEM;
@@ -320,7 +320,7 @@ static int __test_case_3(struct btrfs_fs_info *fs_info,
 			 em->disk_bytenr, em->disk_num_bytes);
 		ret = -EINVAL;
 	}
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 out:
 	ret2 = free_extent_map_tree(inode);
 	if (ret == 0)
@@ -369,7 +369,7 @@ static int __test_case_4(struct btrfs_fs_info *fs_info,
 	int ret;
 	int ret2;
 
-	em = alloc_extent_map();
+	em = btrfs_alloc_extent_map();
 	if (!em) {
 		test_std_err(TEST_ALLOC_EXTENT_MAP);
 		return -ENOMEM;
@@ -388,9 +388,9 @@ static int __test_case_4(struct btrfs_fs_info *fs_info,
 		test_err("cannot add extent range [0, 8K)");
 		goto out;
 	}
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 
-	em = alloc_extent_map();
+	em = btrfs_alloc_extent_map();
 	if (!em) {
 		test_std_err(TEST_ALLOC_EXTENT_MAP);
 		ret = -ENOMEM;
@@ -410,9 +410,9 @@ static int __test_case_4(struct btrfs_fs_info *fs_info,
 		test_err("cannot add extent range [8K, 32K)");
 		goto out;
 	}
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 
-	em = alloc_extent_map();
+	em = btrfs_alloc_extent_map();
 	if (!em) {
 		test_std_err(TEST_ALLOC_EXTENT_MAP);
 		ret = -ENOMEM;
@@ -445,7 +445,7 @@ static int __test_case_4(struct btrfs_fs_info *fs_info,
 			 em->disk_bytenr, em->disk_num_bytes);
 		ret = -EINVAL;
 	}
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 out:
 	ret2 = free_extent_map_tree(inode);
 	if (ret == 0)
@@ -498,7 +498,7 @@ static int add_compressed_extent(struct btrfs_inode *inode,
 	struct extent_map *em;
 	int ret;
 
-	em = alloc_extent_map();
+	em = btrfs_alloc_extent_map();
 	if (!em) {
 		test_std_err(TEST_ALLOC_EXTENT_MAP);
 		return -ENOMEM;
@@ -513,7 +513,7 @@ static int add_compressed_extent(struct btrfs_inode *inode,
 	write_lock(&em_tree->lock);
 	ret = btrfs_add_extent_mapping(inode, &em, em->start, em->len);
 	write_unlock(&em_tree->lock);
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 	if (ret < 0) {
 		test_err("cannot add extent map [%llu, %llu)", start, start + len);
 		return ret;
@@ -719,7 +719,7 @@ static int test_case_6(struct btrfs_fs_info *fs_info, struct btrfs_inode *inode)
 	if (ret)
 		goto out;
 
-	em = alloc_extent_map();
+	em = btrfs_alloc_extent_map();
 	if (!em) {
 		test_std_err(TEST_ALLOC_EXTENT_MAP);
 		ret = -ENOMEM;
@@ -751,7 +751,7 @@ static int test_case_6(struct btrfs_fs_info *fs_info, struct btrfs_inode *inode)
 	}
 	ret = 0;
 out:
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 	ret2 = free_extent_map_tree(inode);
 	if (ret == 0)
 		ret = ret2;
@@ -773,7 +773,7 @@ static int test_case_7(struct btrfs_fs_info *fs_info, struct btrfs_inode *inode)
 
 	test_msg("Running btrfs_drop_extent_cache with pinned");
 
-	em = alloc_extent_map();
+	em = btrfs_alloc_extent_map();
 	if (!em) {
 		test_std_err(TEST_ALLOC_EXTENT_MAP);
 		return -ENOMEM;
@@ -793,9 +793,9 @@ static int test_case_7(struct btrfs_fs_info *fs_info, struct btrfs_inode *inode)
 		test_err("couldn't add extent map");
 		goto out;
 	}
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 
-	em = alloc_extent_map();
+	em = btrfs_alloc_extent_map();
 	if (!em) {
 		test_std_err(TEST_ALLOC_EXTENT_MAP);
 		ret = -ENOMEM;
@@ -815,7 +815,7 @@ static int test_case_7(struct btrfs_fs_info *fs_info, struct btrfs_inode *inode)
 		test_err("couldn't add extent map");
 		goto out;
 	}
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 
 	/*
 	 * Drop [0, 36K) This should skip the [0, 4K) extent and then split the
@@ -842,7 +842,7 @@ static int test_case_7(struct btrfs_fs_info *fs_info, struct btrfs_inode *inode)
 		goto out;
 	}
 
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 
 	read_lock(&em_tree->lock);
 	em = lookup_extent_mapping(em_tree, SZ_16K, SZ_16K);
@@ -876,7 +876,7 @@ static int test_case_7(struct btrfs_fs_info *fs_info, struct btrfs_inode *inode)
 		goto out;
 	}
 
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 
 	read_lock(&em_tree->lock);
 	em = lookup_extent_mapping(em_tree, 48 * SZ_1K, (u64)-1);
@@ -888,7 +888,7 @@ static int test_case_7(struct btrfs_fs_info *fs_info, struct btrfs_inode *inode)
 
 	ret = 0;
 out:
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 	/* Unpin our extent to prevent warning when removing it below. */
 	ret2 = unpin_extent_cache(inode, 0, SZ_16K, 0);
 	if (ret == 0)
@@ -913,7 +913,7 @@ static int test_case_8(struct btrfs_fs_info *fs_info, struct btrfs_inode *inode)
 	int ret;
 	int ret2;
 
-	em = alloc_extent_map();
+	em = btrfs_alloc_extent_map();
 	if (!em) {
 		test_std_err(TEST_ALLOC_EXTENT_MAP);
 		return -ENOMEM;
@@ -928,13 +928,13 @@ static int test_case_8(struct btrfs_fs_info *fs_info, struct btrfs_inode *inode)
 	write_lock(&em_tree->lock);
 	ret = btrfs_add_extent_mapping(inode, &em, em->start, em->len);
 	write_unlock(&em_tree->lock);
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 	if (ret < 0) {
 		test_err("couldn't add extent map for range [120K, 128K)");
 		goto out;
 	}
 
-	em = alloc_extent_map();
+	em = btrfs_alloc_extent_map();
 	if (!em) {
 		test_std_err(TEST_ALLOC_EXTENT_MAP);
 		ret = -ENOMEM;
@@ -967,7 +967,7 @@ static int test_case_8(struct btrfs_fs_info *fs_info, struct btrfs_inode *inode)
 	write_lock(&em_tree->lock);
 	ret = btrfs_add_extent_mapping(inode, &em, SZ_1K * 140, SZ_4K);
 	write_unlock(&em_tree->lock);
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 	if (ret < 0) {
 		test_err("couldn't add extent map for range [108K, 144K)");
 		goto out;
diff --git a/fs/btrfs/tests/inode-tests.c b/fs/btrfs/tests/inode-tests.c
index 1e2118e96ba1..a29d2c02c2c8 100644
--- a/fs/btrfs/tests/inode-tests.c
+++ b/fs/btrfs/tests/inode-tests.c
@@ -268,7 +268,7 @@ static noinline int test_btrfs_get_extent(u32 sectorsize, u32 nodesize)
 		test_err("expected a hole, got %llu", em->disk_bytenr);
 		goto out;
 	}
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 	btrfs_drop_extent_map_range(BTRFS_I(inode), 0, (u64)-1, false);
 
 	/*
@@ -314,7 +314,7 @@ static noinline int test_btrfs_get_extent(u32 sectorsize, u32 nodesize)
 	 * this?
 	 */
 	offset = em->start + em->len;
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 
 	em = btrfs_get_extent(BTRFS_I(inode), NULL, offset, sectorsize);
 	if (IS_ERR(em)) {
@@ -336,7 +336,7 @@ static noinline int test_btrfs_get_extent(u32 sectorsize, u32 nodesize)
 		goto out;
 	}
 	offset = em->start + em->len;
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 
 	/* Regular extent */
 	em = btrfs_get_extent(BTRFS_I(inode), NULL, offset, sectorsize);
@@ -363,7 +363,7 @@ static noinline int test_btrfs_get_extent(u32 sectorsize, u32 nodesize)
 		goto out;
 	}
 	offset = em->start + em->len;
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 
 	/* The next 3 are split extents */
 	em = btrfs_get_extent(BTRFS_I(inode), NULL, offset, sectorsize);
@@ -392,7 +392,7 @@ static noinline int test_btrfs_get_extent(u32 sectorsize, u32 nodesize)
 	disk_bytenr = btrfs_extent_map_block_start(em);
 	orig_start = em->start;
 	offset = em->start + em->len;
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 
 	em = btrfs_get_extent(BTRFS_I(inode), NULL, offset, sectorsize);
 	if (IS_ERR(em)) {
@@ -414,7 +414,7 @@ static noinline int test_btrfs_get_extent(u32 sectorsize, u32 nodesize)
 		goto out;
 	}
 	offset = em->start + em->len;
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 
 	em = btrfs_get_extent(BTRFS_I(inode), NULL, offset, sectorsize);
 	if (IS_ERR(em)) {
@@ -447,7 +447,7 @@ static noinline int test_btrfs_get_extent(u32 sectorsize, u32 nodesize)
 		goto out;
 	}
 	offset = em->start + em->len;
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 
 	/* Prealloc extent */
 	em = btrfs_get_extent(BTRFS_I(inode), NULL, offset, sectorsize);
@@ -475,7 +475,7 @@ static noinline int test_btrfs_get_extent(u32 sectorsize, u32 nodesize)
 		goto out;
 	}
 	offset = em->start + em->len;
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 
 	/* The next 3 are a half written prealloc extent */
 	em = btrfs_get_extent(BTRFS_I(inode), NULL, offset, sectorsize);
@@ -505,7 +505,7 @@ static noinline int test_btrfs_get_extent(u32 sectorsize, u32 nodesize)
 	disk_bytenr = btrfs_extent_map_block_start(em);
 	orig_start = em->start;
 	offset = em->start + em->len;
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 
 	em = btrfs_get_extent(BTRFS_I(inode), NULL, offset, sectorsize);
 	if (IS_ERR(em)) {
@@ -537,7 +537,7 @@ static noinline int test_btrfs_get_extent(u32 sectorsize, u32 nodesize)
 		goto out;
 	}
 	offset = em->start + em->len;
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 
 	em = btrfs_get_extent(BTRFS_I(inode), NULL, offset, sectorsize);
 	if (IS_ERR(em)) {
@@ -570,7 +570,7 @@ static noinline int test_btrfs_get_extent(u32 sectorsize, u32 nodesize)
 		goto out;
 	}
 	offset = em->start + em->len;
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 
 	/* Now for the compressed extent */
 	em = btrfs_get_extent(BTRFS_I(inode), NULL, offset, sectorsize);
@@ -603,7 +603,7 @@ static noinline int test_btrfs_get_extent(u32 sectorsize, u32 nodesize)
 		goto out;
 	}
 	offset = em->start + em->len;
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 
 	/* Split compressed extent */
 	em = btrfs_get_extent(BTRFS_I(inode), NULL, offset, sectorsize);
@@ -638,7 +638,7 @@ static noinline int test_btrfs_get_extent(u32 sectorsize, u32 nodesize)
 	disk_bytenr = btrfs_extent_map_block_start(em);
 	orig_start = em->start;
 	offset = em->start + em->len;
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 
 	em = btrfs_get_extent(BTRFS_I(inode), NULL, offset, sectorsize);
 	if (IS_ERR(em)) {
@@ -664,7 +664,7 @@ static noinline int test_btrfs_get_extent(u32 sectorsize, u32 nodesize)
 		goto out;
 	}
 	offset = em->start + em->len;
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 
 	em = btrfs_get_extent(BTRFS_I(inode), NULL, offset, sectorsize);
 	if (IS_ERR(em)) {
@@ -698,7 +698,7 @@ static noinline int test_btrfs_get_extent(u32 sectorsize, u32 nodesize)
 		goto out;
 	}
 	offset = em->start + em->len;
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 
 	/* A hole between regular extents but no hole extent */
 	em = btrfs_get_extent(BTRFS_I(inode), NULL, offset + 6, sectorsize);
@@ -725,7 +725,7 @@ static noinline int test_btrfs_get_extent(u32 sectorsize, u32 nodesize)
 		goto out;
 	}
 	offset = em->start + em->len;
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 
 	em = btrfs_get_extent(BTRFS_I(inode), NULL, offset, SZ_4M);
 	if (IS_ERR(em)) {
@@ -757,7 +757,7 @@ static noinline int test_btrfs_get_extent(u32 sectorsize, u32 nodesize)
 		goto out;
 	}
 	offset = em->start + em->len;
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 
 	em = btrfs_get_extent(BTRFS_I(inode), NULL, offset, sectorsize);
 	if (IS_ERR(em)) {
@@ -785,7 +785,7 @@ static noinline int test_btrfs_get_extent(u32 sectorsize, u32 nodesize)
 	ret = 0;
 out:
 	if (!IS_ERR(em))
-		free_extent_map(em);
+		btrfs_free_extent_map(em);
 	iput(inode);
 	btrfs_free_dummy_root(root);
 	btrfs_free_dummy_fs_info(fs_info);
@@ -858,7 +858,7 @@ static int test_hole_first(u32 sectorsize, u32 nodesize)
 			 em->flags);
 		goto out;
 	}
-	free_extent_map(em);
+	btrfs_free_extent_map(em);
 
 	em = btrfs_get_extent(BTRFS_I(inode), NULL, sectorsize, 2 * sectorsize);
 	if (IS_ERR(em)) {
@@ -884,7 +884,7 @@ static int test_hole_first(u32 sectorsize, u32 nodesize)
 	ret = 0;
 out:
 	if (!IS_ERR(em))
-		free_extent_map(em);
+		btrfs_free_extent_map(em);
 	iput(inode);
 	btrfs_free_dummy_root(root);
 	btrfs_free_dummy_fs_info(fs_info);