btrfs: remove unused members from struct scrub_warning

Signed-off-by: David Sterba <dsterba@suse.cz>

diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index b9c37ac..efa0831 100644 (file)
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -177,17 +177,12 @@ struct scrub_copy_nocow_ctx {
 struct scrub_warning {
        struct btrfs_path       *path;
        u64                     extent_item_size;
-       char                    *scratch_buf;
-       char                    *msg_buf;
        const char              *errstr;
        sector_t                sector;
        u64                     logical;
        struct btrfs_device     *dev;
-       int                     msg_bufsize;
-       int                     scratch_bufsize;
 };
 
-
 static void scrub_pending_bio_inc(struct scrub_ctx *sctx);
 static void scrub_pending_bio_dec(struct scrub_ctx *sctx);
 static void scrub_pending_trans_workers_inc(struct scrub_ctx *sctx);
@@ -551,7 +546,6 @@ static void scrub_print_warning(const char *errstr, struct scrub_block *sblock)
        u64 ref_root;
        u32 item_size;
        u8 ref_level;
-       const int bufsize = 4096;
        int ret;
 
        WARN_ON(sblock->page_count < 1);
@@ -559,18 +553,13 @@ static void scrub_print_warning(const char *errstr, struct scrub_block *sblock)
        fs_info = sblock->sctx->dev_root->fs_info;
 
        path = btrfs_alloc_path();
+       if (!path)
+               return;
 
-       swarn.scratch_buf = kmalloc(bufsize, GFP_NOFS);
-       swarn.msg_buf = kmalloc(bufsize, GFP_NOFS);
        swarn.sector = (sblock->pagev[0]->physical) >> 9;
        swarn.logical = sblock->pagev[0]->logical;
        swarn.errstr = errstr;
        swarn.dev = NULL;
-       swarn.msg_bufsize = bufsize;
-       swarn.scratch_bufsize = bufsize;
-
-       if (!path || !swarn.scratch_buf || !swarn.msg_buf)
-               goto out;
 
        ret = extent_from_logical(fs_info, swarn.logical, path, &found_key,
                                  &flags);
@@ -611,8 +600,6 @@ static void scrub_print_warning(const char *errstr, struct scrub_block *sblock)
 
 out:
        btrfs_free_path(path);
-       kfree(swarn.scratch_buf);
-       kfree(swarn.msg_buf);
 }
 
 static int scrub_fixup_readpage(u64 inum, u64 offset, u64 root, void *fixup_ctx)