Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs
Pull btrfs fixes from Chris Mason:
"This is a small collection of fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
Btrfs: fix data corruption when reading/updating compressed extents
Btrfs: don't loop forever if we can't run because of the tree mod log
btrfs: reserve no transaction units in btrfs_ioctl_set_features
btrfs: commit transaction after setting label and features
Btrfs: fix assert screwup for the pending move stuff
diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index e2600cd..b01fb6c 100644
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -1010,6 +1010,8 @@
bytes = min(bytes, working_bytes);
kaddr = kmap_atomic(page_out);
memcpy(kaddr + *pg_offset, buf + buf_offset, bytes);
+ if (*pg_index == (vcnt - 1) && *pg_offset == 0)
+ memset(kaddr + bytes, 0, PAGE_CACHE_SIZE - bytes);
kunmap_atomic(kaddr);
flush_dcache_page(page_out);
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 9c9ecc9..32312e0 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -2385,6 +2385,7 @@
spin_unlock(&delayed_refs->lock);
locked_ref = NULL;
cond_resched();
+ count++;
continue;
}
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index b013489..383ab45 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -4525,7 +4525,7 @@
spin_lock(&root->fs_info->super_lock);
strcpy(super_block->label, label);
spin_unlock(&root->fs_info->super_lock);
- ret = btrfs_end_transaction(trans, root);
+ ret = btrfs_commit_transaction(trans, root);
out_unlock:
mnt_drop_write_file(file);
@@ -4668,7 +4668,7 @@
if (ret)
return ret;
- trans = btrfs_start_transaction(root, 1);
+ trans = btrfs_start_transaction(root, 0);
if (IS_ERR(trans))
return PTR_ERR(trans);
@@ -4689,7 +4689,7 @@
btrfs_set_super_incompat_flags(super_block, newflags);
spin_unlock(&root->fs_info->super_lock);
- return btrfs_end_transaction(trans, root);
+ return btrfs_commit_transaction(trans, root);
}
long btrfs_ioctl(struct file *file, unsigned int
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index cf9107a..9c8d1a3 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -2774,8 +2774,6 @@
return 0;
}
-#ifdef CONFIG_BTRFS_ASSERT
-
static int del_waiting_dir_move(struct send_ctx *sctx, u64 ino)
{
struct rb_node *n = sctx->waiting_dir_moves.rb_node;
@@ -2796,8 +2794,6 @@
return -ENOENT;
}
-#endif
-
static int add_pending_dir_move(struct send_ctx *sctx, u64 parent_ino)
{
struct rb_node **p = &sctx->pending_dir_moves.rb_node;
@@ -2902,7 +2898,9 @@
}
sctx->send_progress = sctx->cur_ino + 1;
- ASSERT(del_waiting_dir_move(sctx, pm->ino) == 0);
+ ret = del_waiting_dir_move(sctx, pm->ino);
+ ASSERT(ret == 0);
+
ret = get_cur_path(sctx, pm->ino, pm->gen, to_path);
if (ret < 0)
goto out;