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authorDavid Sterba <dsterba@suse.com>2017-05-16 19:10:41 +0200
committerDavid Sterba <dsterba@suse.com>2017-06-19 18:26:01 +0200
commit25cc1226c121ae4e5c9a1525eda4ddada7f47a00 (patch)
tree14a6e163dc4cc8131c8eee5db93f23d4e4387185
parent04a87e3472828f769a93655d7c64a27573bdbc2c (diff)
btrfs: scrub: use fs_info::sectorsize and drop it from scrub context
As we now have the node/block sizes in fs_info, we can use them and can drop the local copies. Reviewed-by: Liu Bo <bo.li.liu@oracle.com> Signed-off-by: David Sterba <dsterba@suse.com>
-rw-r--r--fs/btrfs/scrub.c24
1 files changed, 10 insertions, 14 deletions
diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index ffe785ec5298..b59fe14e556f 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -183,8 +183,6 @@ struct scrub_ctx {
atomic_t cancel_req;
int readonly;
int pages_per_rd_bio;
- u32 sectorsize;
- u32 nodesize;
int is_dev_replace;
struct scrub_wr_ctx wr_ctx;
@@ -704,8 +702,6 @@ struct scrub_ctx *scrub_setup_ctx(struct btrfs_device *dev, int is_dev_replace)
sctx->bios[i]->next_free = -1;
}
sctx->first_free = 0;
- sctx->nodesize = fs_info->nodesize;
- sctx->sectorsize = fs_info->sectorsize;
atomic_set(&sctx->bios_in_flight, 0);
atomic_set(&sctx->workers_pending, 0);
atomic_set(&sctx->cancel_req, 0);
@@ -2079,7 +2075,7 @@ static int scrub_checksum_data(struct scrub_block *sblock)
page = sblock->pagev[0]->page;
buffer = kmap_atomic(page);
- len = sctx->sectorsize;
+ len = sctx->fs_info->sectorsize;
index = 0;
for (;;) {
u64 l = min_t(u64, len, PAGE_SIZE);
@@ -2144,7 +2140,7 @@ static int scrub_checksum_tree_block(struct scrub_block *sblock)
BTRFS_UUID_SIZE))
sblock->header_error = 1;
- len = sctx->nodesize - BTRFS_CSUM_SIZE;
+ len = sctx->fs_info->nodesize - BTRFS_CSUM_SIZE;
mapped_size = PAGE_SIZE - BTRFS_CSUM_SIZE;
p = ((u8 *)mapped_buffer) + BTRFS_CSUM_SIZE;
index = 0;
@@ -2724,8 +2720,8 @@ static int scrub_find_csum(struct scrub_ctx *sctx, u64 logical, u8 *csum)
if (!sum)
return 0;
- index = ((u32)(logical - sum->bytenr)) / sctx->sectorsize;
- num_sectors = sum->len / sctx->sectorsize;
+ index = ((u32)(logical - sum->bytenr)) / sctx->fs_info->sectorsize;
+ num_sectors = sum->len / sctx->fs_info->sectorsize;
memcpy(csum, sum->sums + index, sctx->csum_size);
if (index == num_sectors - 1) {
list_del(&sum->list);
@@ -2744,19 +2740,19 @@ static int scrub_extent(struct scrub_ctx *sctx, u64 logical, u64 len,
u32 blocksize;
if (flags & BTRFS_EXTENT_FLAG_DATA) {
- blocksize = sctx->sectorsize;
+ blocksize = sctx->fs_info->sectorsize;
spin_lock(&sctx->stat_lock);
sctx->stat.data_extents_scrubbed++;
sctx->stat.data_bytes_scrubbed += len;
spin_unlock(&sctx->stat_lock);
} else if (flags & BTRFS_EXTENT_FLAG_TREE_BLOCK) {
- blocksize = sctx->nodesize;
+ blocksize = sctx->fs_info->nodesize;
spin_lock(&sctx->stat_lock);
sctx->stat.tree_extents_scrubbed++;
sctx->stat.tree_bytes_scrubbed += len;
spin_unlock(&sctx->stat_lock);
} else {
- blocksize = sctx->sectorsize;
+ blocksize = sctx->fs_info->sectorsize;
WARN_ON(1);
}
@@ -2890,11 +2886,11 @@ static int scrub_extent_for_parity(struct scrub_parity *sparity,
}
if (flags & BTRFS_EXTENT_FLAG_DATA) {
- blocksize = sctx->sectorsize;
+ blocksize = sctx->fs_info->sectorsize;
} else if (flags & BTRFS_EXTENT_FLAG_TREE_BLOCK) {
- blocksize = sctx->nodesize;
+ blocksize = sctx->fs_info->nodesize;
} else {
- blocksize = sctx->sectorsize;
+ blocksize = sctx->fs_info->sectorsize;
WARN_ON(1);
}