btrfs: Reduce unnecessary arguments in scrub_recheck_block

We don't need pass so many arguments for recheck sblock now,
this patch cleans them.

Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: Chris Mason <clm@fb.com>

diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 3e4db4b..f8a4ca2 100644 (file)
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -248,9 +248,8 @@ static int scrub_handle_errored_block(struct scrub_block *sblock_to_check);
 static int scrub_setup_recheck_block(struct scrub_block *original_sblock,
                                     struct scrub_block *sblocks_for_recheck);
 static void scrub_recheck_block(struct btrfs_fs_info *fs_info,
-                               struct scrub_block *sblock, int is_metadata,
-                               int have_csum, u8 *csum, u64 generation,
-                               u16 csum_size, int retry_failed_mirror);
+                               struct scrub_block *sblock,
+                               int retry_failed_mirror);
 static void scrub_recheck_block_checksum(struct scrub_block *sblock);
 static int scrub_repair_block_from_good_copy(struct scrub_block *sblock_bad,
                                             struct scrub_block *sblock_good);
@@ -885,11 +884,9 @@ static int scrub_handle_errored_block(struct scrub_block *sblock_to_check)
        struct btrfs_fs_info *fs_info;
        u64 length;
        u64 logical;
-       u64 generation;
        unsigned int failed_mirror_index;
        unsigned int is_metadata;
        unsigned int have_csum;
-       u8 *csum;
        struct scrub_block *sblocks_for_recheck; /* holds one for each mirror */
        struct scrub_block *sblock_bad;
        int ret;
@@ -914,13 +911,11 @@ static int scrub_handle_errored_block(struct scrub_block *sblock_to_check)
        }
        length = sblock_to_check->page_count * PAGE_SIZE;
        logical = sblock_to_check->pagev[0]->logical;
-       generation = sblock_to_check->pagev[0]->generation;
        BUG_ON(sblock_to_check->pagev[0]->mirror_num < 1);
        failed_mirror_index = sblock_to_check->pagev[0]->mirror_num - 1;
        is_metadata = !(sblock_to_check->pagev[0]->flags &
                        BTRFS_EXTENT_FLAG_DATA);
        have_csum = sblock_to_check->pagev[0]->have_csum;
-       csum = sblock_to_check->pagev[0]->csum;
        dev = sblock_to_check->pagev[0]->dev;
 
        if (sctx->is_dev_replace && !is_metadata && !have_csum) {
@@ -983,8 +978,7 @@ static int scrub_handle_errored_block(struct scrub_block *sblock_to_check)
        sblock_bad = sblocks_for_recheck + failed_mirror_index;
 
        /* build and submit the bios for the failed mirror, check checksums */
-       scrub_recheck_block(fs_info, sblock_bad, is_metadata, have_csum,
-                           csum, generation, sctx->csum_size, 1);
+       scrub_recheck_block(fs_info, sblock_bad, 1);
 
        if (!sblock_bad->header_error && !sblock_bad->checksum_error &&
            sblock_bad->no_io_error_seen) {
@@ -1097,9 +1091,7 @@ nodatasum_case:
                sblock_other = sblocks_for_recheck + mirror_index;
 
                /* build and submit the bios, check checksums */
-               scrub_recheck_block(fs_info, sblock_other, is_metadata,
-                                   have_csum, csum, generation,
-                                   sctx->csum_size, 0);
+               scrub_recheck_block(fs_info, sblock_other, 0);
 
                if (!sblock_other->header_error &&
                    !sblock_other->checksum_error &&
@@ -1211,9 +1203,7 @@ nodatasum_case:
                         * is verified, but most likely the data comes out
                         * of the page cache.
                         */
-                       scrub_recheck_block(fs_info, sblock_bad,
-                                           is_metadata, have_csum, csum,
-                                           generation, sctx->csum_size, 1);
+                       scrub_recheck_block(fs_info, sblock_bad, 1);
                        if (!sblock_bad->header_error &&
                            !sblock_bad->checksum_error &&
                            sblock_bad->no_io_error_seen)
@@ -1482,9 +1472,8 @@ static int scrub_submit_raid56_bio_wait(struct btrfs_fs_info *fs_info,
  * the pages that are errored in the just handled mirror can be repaired.
  */
 static void scrub_recheck_block(struct btrfs_fs_info *fs_info,
-                               struct scrub_block *sblock, int is_metadata,
-                               int have_csum, u8 *csum, u64 generation,
-                               u16 csum_size, int retry_failed_mirror)
+                               struct scrub_block *sblock,
+                               int retry_failed_mirror)
 {
        int page_num;
 
@@ -2151,9 +2140,8 @@ static void scrub_missing_raid56_worker(struct btrfs_work *work)
        logical = sblock->pagev[0]->logical;
        dev = sblock->pagev[0]->dev;
 
-       if (sblock->no_io_error_seen) {
+       if (sblock->no_io_error_seen)
                scrub_recheck_block_checksum(sblock);
-       }
 
        if (!sblock->no_io_error_seen) {
                spin_lock(&sctx->stat_lock);