[PATCH] Btrfs: don't kzalloc the ordered extents
flat view
STALE5673d
From: Josef Bacik <hidden>
Date: 2011-04-05 23:20:49
Subsystem:
btrfs file system, filesystems (vfs and infrastructure), the rest · Maintainers:
David Sterba, Alexander Viro, Christian Brauner, Linus Torvalds
We initialize almost all of the fields when we allocate an ordered extent, so use kmalloc instead of kzalloc and just initialize the other fields that we don't already initialize yet. Thanks, Signed-off-by: Josef Bacik <redacted> --- fs/btrfs/ordered-data.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c
index 083a554..2edc837 100644
--- a/fs/btrfs/ordered-data.c
+++ b/fs/btrfs/ordered-data.c@@ -179,7 +179,7 @@ static int __btrfs_add_ordered_extent(struct inode *inode, u64 file_offset, struct btrfs_ordered_extent *entry; tree = &BTRFS_I(inode)->ordered_tree; - entry = kzalloc(sizeof(*entry), GFP_NOFS); + entry = kmalloc(sizeof(*entry), GFP_NOFS); if (!entry) return -ENOMEM;
@@ -190,6 +190,7 @@ static int __btrfs_add_ordered_extent(struct inode *inode, u64 file_offset, entry->bytes_left = len; entry->inode = inode; entry->compress_type = compress_type; + entry->flags = 0; if (type != BTRFS_ORDERED_IO_DONE && type != BTRFS_ORDERED_COMPLETE) set_bit(type, &entry->flags);
@@ -201,6 +202,7 @@ static int __btrfs_add_ordered_extent(struct inode *inode, u64 file_offset, init_waitqueue_head(&entry->wait); INIT_LIST_HEAD(&entry->list); INIT_LIST_HEAD(&entry->root_extent_list); + RB_CLEAR_NODE(&entry->rb_node); spin_lock(&tree->lock); node = tree_insert(&tree->tree, file_offset,
--
1.7.2.3