Btrfs: cleanup unused arguments of btrfs_csum_data

[linux-imx.git] / fs / btrfs / scrub.c

diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 53c3501fa4ca348f13cb17617b363643a59b1f6f..3d29d60bdaf86fac5bb0b0a02c93f426c4cfe35a 100644 (file)
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -542,7 +542,6 @@ static void scrub_print_warning(const char *errstr, struct scrub_block *sblock)
        eb = path->nodes[0];
        ei = btrfs_item_ptr(eb, path->slots[0], struct btrfs_extent_item);
        item_size = btrfs_item_size_nr(eb, path->slots[0]);
-       btrfs_release_path(path);
 
        if (flags & BTRFS_EXTENT_FLAG_TREE_BLOCK) {
                do {
@@ -558,7 +557,9 @@ static void scrub_print_warning(const char *errstr, struct scrub_block *sblock)
                                ret < 0 ? -1 : ref_level,
                                ret < 0 ? -1 : ref_root);
                } while (ret != 1);
+               btrfs_release_path(path);
        } else {
+               btrfs_release_path(path);
                swarn.path = path;
                swarn.dev = dev;
                iterate_extent_inodes(fs_info, found_key.objectid,
@@ -1335,7 +1336,6 @@ static void scrub_recheck_block_checksum(struct btrfs_fs_info *fs_info,
        int page_num;
        u8 calculated_csum[BTRFS_CSUM_SIZE];
        u32 crc = ~(u32)0;
-       struct btrfs_root *root = fs_info->extent_root;
        void *mapped_buffer;
 
        WARN_ON(!sblock->pagev[0]->page);
@@ -1364,12 +1364,11 @@ static void scrub_recheck_block_checksum(struct btrfs_fs_info *fs_info,
 
        for (page_num = 0;;) {
                if (page_num == 0 && is_metadata)
-                       crc = btrfs_csum_data(root,
+                       crc = btrfs_csum_data(
                                ((u8 *)mapped_buffer) + BTRFS_CSUM_SIZE,
                                crc, PAGE_SIZE - BTRFS_CSUM_SIZE);
                else
-                       crc = btrfs_csum_data(root, mapped_buffer, crc,
-                                             PAGE_SIZE);
+                       crc = btrfs_csum_data(mapped_buffer, crc, PAGE_SIZE);
 
                kunmap_atomic(mapped_buffer);
                page_num++;
@@ -1656,7 +1655,6 @@ static int scrub_checksum_data(struct scrub_block *sblock)
        void *buffer;
        u32 crc = ~(u32)0;
        int fail = 0;
-       struct btrfs_root *root = sctx->dev_root;
        u64 len;
        int index;
 
@@ -1673,7 +1671,7 @@ static int scrub_checksum_data(struct scrub_block *sblock)
        for (;;) {
                u64 l = min_t(u64, len, PAGE_SIZE);
 
-               crc = btrfs_csum_data(root, buffer, crc, l);
+               crc = btrfs_csum_data(buffer, crc, l);
                kunmap_atomic(buffer);
                len -= l;
                if (len == 0)
@@ -1743,7 +1741,7 @@ static int scrub_checksum_tree_block(struct scrub_block *sblock)
        for (;;) {
                u64 l = min_t(u64, len, mapped_size);
 
-               crc = btrfs_csum_data(root, p, crc, l);
+               crc = btrfs_csum_data(p, crc, l);
                kunmap_atomic(mapped_buffer);
                len -= l;
                if (len == 0)
@@ -1804,7 +1802,7 @@ static int scrub_checksum_super(struct scrub_block *sblock)
        for (;;) {
                u64 l = min_t(u64, len, mapped_size);
 
-               crc = btrfs_csum_data(root, p, crc, l);
+               crc = btrfs_csum_data(p, crc, l);
                kunmap_atomic(mapped_buffer);
                len -= l;
                if (len == 0)