Btrfs: Pass fs_info to btrfs_num_copies() instead of mapping_tree This is required for the device replace procedure in a later step. Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de> Signed-off-by: Chris Mason <chris.mason@fusionio.com>
diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c index 5a3e45d..58dfac1 100644 --- a/fs/btrfs/check-integrity.c +++ b/fs/btrfs/check-integrity.c
@@ -723,7 +723,7 @@ } num_copies = - btrfs_num_copies(&state->root->fs_info->mapping_tree, + btrfs_num_copies(state->root->fs_info, next_bytenr, state->metablock_size); if (state->print_mask & BTRFSIC_PRINT_MASK_NUM_COPIES) printk(KERN_INFO "num_copies(log_bytenr=%llu) = %d\n", @@ -903,7 +903,7 @@ } num_copies = - btrfs_num_copies(&state->root->fs_info->mapping_tree, + btrfs_num_copies(state->root->fs_info, next_bytenr, state->metablock_size); if (state->print_mask & BTRFSIC_PRINT_MASK_NUM_COPIES) printk(KERN_INFO "num_copies(log_bytenr=%llu) = %d\n", @@ -1287,7 +1287,7 @@ *next_blockp = NULL; if (0 == *num_copiesp) { *num_copiesp = - btrfs_num_copies(&state->root->fs_info->mapping_tree, + btrfs_num_copies(state->root->fs_info, next_bytenr, state->metablock_size); if (state->print_mask & BTRFSIC_PRINT_MASK_NUM_COPIES) printk(KERN_INFO "num_copies(log_bytenr=%llu) = %d\n", @@ -1489,7 +1489,7 @@ chunk_len = num_bytes; num_copies = - btrfs_num_copies(&state->root->fs_info->mapping_tree, + btrfs_num_copies(state->root->fs_info, next_bytenr, state->datablock_size); if (state->print_mask & BTRFSIC_PRINT_MASK_NUM_COPIES) printk(KERN_INFO "num_copies(log_bytenr=%llu) = %d\n", @@ -2463,7 +2463,7 @@ } num_copies = - btrfs_num_copies(&state->root->fs_info->mapping_tree, + btrfs_num_copies(state->root->fs_info, next_bytenr, BTRFS_SUPER_INFO_SIZE); if (state->print_mask & BTRFSIC_PRINT_MASK_NUM_COPIES) printk(KERN_INFO "num_copies(log_bytenr=%llu) = %d\n", @@ -2960,7 +2960,7 @@ struct btrfsic_block_data_ctx block_ctx; int match = 0; - num_copies = btrfs_num_copies(&state->root->fs_info->mapping_tree, + num_copies = btrfs_num_copies(state->root->fs_info, bytenr, state->metablock_size); for (mirror_num = 1; mirror_num <= num_copies; mirror_num++) {
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index ff5d259..ba2b931 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c
@@ -387,7 +387,7 @@ if (test_bit(EXTENT_BUFFER_CORRUPT, &eb->bflags)) break; - num_copies = btrfs_num_copies(&root->fs_info->mapping_tree, + num_copies = btrfs_num_copies(root->fs_info, eb->start, eb->len); if (num_copies == 1) break;
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 3c062c8..e0b7138 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c
@@ -2044,10 +2044,10 @@ spin_unlock(&BTRFS_I(inode)->io_tree.lock); if (state && state->start == failrec->start) { - map_tree = &BTRFS_I(inode)->root->fs_info->mapping_tree; - num_copies = btrfs_num_copies(map_tree, failrec->logical, - failrec->len); + num_copies = btrfs_num_copies(BTRFS_I(inode)->root->fs_info, + failrec->logical, failrec->len); if (num_copies > 1) { + map_tree = &BTRFS_I(inode)->root->fs_info->mapping_tree; ret = repair_io_failure(map_tree, start, failrec->len, failrec->logical, page, failrec->failed_mirror); @@ -2157,9 +2157,8 @@ * clean_io_failure() clean all those errors at once. */ } - num_copies = btrfs_num_copies( - &BTRFS_I(inode)->root->fs_info->mapping_tree, - failrec->logical, failrec->len); + num_copies = btrfs_num_copies(BTRFS_I(inode)->root->fs_info, + failrec->logical, failrec->len); if (num_copies == 1) { /* * we only have a single copy of the data, so don't bother with
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 1483041..5612767 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c
@@ -3785,8 +3785,9 @@ } } -int btrfs_num_copies(struct btrfs_mapping_tree *map_tree, u64 logical, u64 len) +int btrfs_num_copies(struct btrfs_fs_info *fs_info, u64 logical, u64 len) { + struct btrfs_mapping_tree *map_tree = &fs_info->mapping_tree; struct extent_map *em; struct map_lookup *map; struct extent_map_tree *em_tree = &map_tree->map_tree;
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h index 657bb12..35ea442 100644 --- a/fs/btrfs/volumes.h +++ b/fs/btrfs/volumes.h
@@ -278,7 +278,7 @@ struct btrfs_device *device); int btrfs_rm_device(struct btrfs_root *root, char *device_path); void btrfs_cleanup_fs_uuids(void); -int btrfs_num_copies(struct btrfs_mapping_tree *map_tree, u64 logical, u64 len); +int btrfs_num_copies(struct btrfs_fs_info *fs_info, u64 logical, u64 len); int btrfs_grow_device(struct btrfs_trans_handle *trans, struct btrfs_device *device, u64 new_size); struct btrfs_device *btrfs_find_device(struct btrfs_root *root, u64 devid,