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authorLinus Torvalds <torvalds@linux-foundation.org>2017-03-03 03:03:00 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2017-03-03 03:03:00 +0300
commitbbe08c0a43e2c5ee3a00de68c0e867a08a9aa990 (patch)
tree389386abdf1ee5820514437d0c2e22b4b64773df /fs/btrfs/ctree.c
parent94e877d0fb43bec0540d6a37d49cb4f7f05a5348 (diff)
parente9f467d028cd7d8bee2a4d6c4fb806caf8cd580b (diff)
downloadlinux-bbe08c0a43e2c5ee3a00de68c0e867a08a9aa990.tar.xz
Merge branch 'for-linus-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull more btrfs updates from Chris Mason: "Btrfs round two. These are mostly a continuation of Dave Sterba's collection of cleanups, but Filipe also has some bug fixes and performance improvements" * 'for-linus-4.11' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: (69 commits) btrfs: add dummy callback for readpage_io_failed and drop checks btrfs: drop checks for mandatory extent_io_ops callbacks btrfs: document existence of extent_io ops callbacks btrfs: let writepage_end_io_hook return void btrfs: do proper error handling in btrfs_insert_xattr_item btrfs: handle allocation error in update_dev_stat_item btrfs: remove BUG_ON from __tree_mod_log_insert btrfs: derive maximum output size in the compression implementation btrfs: use predefined limits for calculating maximum number of pages for compression btrfs: export compression buffer limits in a header btrfs: merge nr_pages input and output parameter in compress_pages btrfs: merge length input and output parameter in compress_pages btrfs: constify name of subvolume in creation helpers btrfs: constify buffers used by compression helpers btrfs: constify input buffer of btrfs_csum_data btrfs: constify device path passed to relevant helpers btrfs: make btrfs_inode_resume_unlocked_dio take btrfs_inode btrfs: make btrfs_inode_block_unlocked_dio take btrfs_inode btrfs: Make btrfs_add_nondir take btrfs_inode btrfs: Make btrfs_add_link take btrfs_inode ...
Diffstat (limited to 'fs/btrfs/ctree.c')
-rw-r--r--fs/btrfs/ctree.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c
index 1192bc7d2ee7..7dc8844037e0 100644
--- a/fs/btrfs/ctree.c
+++ b/fs/btrfs/ctree.c
@@ -453,8 +453,6 @@ __tree_mod_log_insert(struct btrfs_fs_info *fs_info, struct tree_mod_elem *tm)
struct rb_node *parent = NULL;
struct tree_mod_elem *cur;
- BUG_ON(!tm);
-
tm->seq = btrfs_inc_tree_mod_seq(fs_info);
tm_root = &fs_info->tree_mod_log;
@@ -4159,6 +4157,9 @@ static noinline int push_for_double_split(struct btrfs_trans_handle *trans,
/* try to push all the items before our slot into the next leaf */
slot = path->slots[0];
+ space_needed = data_size;
+ if (slot > 0)
+ space_needed -= btrfs_leaf_free_space(fs_info, path->nodes[0]);
ret = push_leaf_left(trans, root, path, 1, space_needed, 0, slot);
if (ret < 0)
return ret;
@@ -4214,6 +4215,10 @@ static noinline int split_leaf(struct btrfs_trans_handle *trans,
if (wret < 0)
return wret;
if (wret) {
+ space_needed = data_size;
+ if (slot > 0)
+ space_needed -= btrfs_leaf_free_space(fs_info,
+ l);
wret = push_leaf_left(trans, root, path, space_needed,
space_needed, 0, (u32)-1);
if (wret < 0)