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btrfs: cleanup, use enum values for btrfs_path reada

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Replace the integers by enums for better readability. The value 2 does
not have any meaning since a717531942
"Btrfs: do less aggressive btree readahead" (2009-01-22).

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba
2015-11-27 16:31:35 +01:00
parent 4d4ab6d6bc
commit e4058b54d1
11 changed files with 30 additions and 30 deletions
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8
fs/btrfs/inode.c
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@@ -3342,7 +3342,7 @@ int btrfs_orphan_cleanup(struct btrfs_root *root)
ret = -ENOMEM;
goto out;
}
path->reada = -1;
path->reada = READA_BACK;
key.objectid = BTRFS_ORPHAN_OBJECTID;
key.type = BTRFS_ORPHAN_ITEM_KEY;
@@ -4308,7 +4308,7 @@ int btrfs_truncate_inode_items(struct btrfs_trans_handle *trans,
path = btrfs_alloc_path();
if (!path)
return -ENOMEM;
path->reada = -1;
path->reada = READA_BACK;
/*
* We want to drop from the next block forward in case this new size is
@@ -5744,7 +5744,7 @@ static int btrfs_real_readdir(struct file *file, struct dir_context *ctx)
if (!path)
return -ENOMEM;
path->reada = 1;
path->reada = READA_FORWARD;
if (key_type == BTRFS_DIR_INDEX_KEY) {
INIT_LIST_HEAD(&ins_list);
@@ -6775,7 +6775,7 @@ again:
* Chances are we'll be called again, so go ahead and do
* readahead
*/
path->reada = 1;
path->reada = READA_FORWARD;
}
ret = btrfs_lookup_file_extent(trans, root, path,