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btrfs: simplify lookup_data_extent()

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After returning if ret <= 0 we know that ret > 0. No need to check it.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: Anand Jain <anand.jain>
This commit is contained in:
Heinrich Schuchardt 2022-05-10 21:43:38 +02:00 committed by Tom Rini
parent 2e2e784de0
commit 89ab1e2817
1 changed files with 6 additions and 9 deletions
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15
fs/btrfs/inode.c
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@ -546,15 +546,12 @@ static int lookup_data_extent(struct btrfs_root *root, struct btrfs_path *path,
/* Error or we're already at the file extent */
if (ret <= 0)
return ret;
if (ret > 0) {
/* Check previous file extent */
ret = btrfs_previous_item(root, path, ino,
BTRFS_EXTENT_DATA_KEY);
if (ret < 0)
return ret;
if (ret > 0)
goto check_next;
}
/* Check previous file extent */
ret = btrfs_previous_item(root, path, ino, BTRFS_EXTENT_DATA_KEY);
if (ret < 0)
return ret;
if (ret > 0)
goto check_next;
/* Now the key.offset must be smaller than @file_offset */
btrfs_item_key_to_cpu(path->nodes[0], &key, path->slots[0]);
if (key.objectid != ino ||