luck/tmp_suning_uos_patched
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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs

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* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs:
  Btrfs: call d_instantiate after all ops are setup
  Btrfs: fix worker lock misuse in find_worker
This commit is contained in:
Linus Torvalds 2011-12-23 14:58:39 -08:00
commit 827fa4c762
2 changed files with 7 additions and 5 deletions
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3
fs/btrfs/async-thread.c
View File

@ -563,8 +563,8 @@ static struct btrfs_worker_thread *find_worker(struct btrfs_workers *workers)
struct list_head *fallback;
int ret;
again:
spin_lock_irqsave(&workers->lock, flags);
again:
worker = next_worker(workers);
if (!worker) {
@ -579,6 +579,7 @@ static struct btrfs_worker_thread *find_worker(struct btrfs_workers *workers)
spin_unlock_irqrestore(&workers->lock, flags);
/* we're below the limit, start another worker */
ret = __btrfs_start_workers(workers);
spin_lock_irqsave(&workers->lock, flags);
if (ret)
goto fallback;
goto again;

9
fs/btrfs/inode.c
View File

@ -4590,10 +4590,6 @@ static int btrfs_add_nondir(struct btrfs_trans_handle *trans,
int err = btrfs_add_link(trans, dir, inode,
dentry->d_name.name, dentry->d_name.len,
backref, index);
if (!err) {
d_instantiate(dentry, inode);
return 0;
}
if (err > 0)
err = -EEXIST;
return err;
@ -4655,6 +4651,7 @@ static int btrfs_mknod(struct inode *dir, struct dentry *dentry,
else {
init_special_inode(inode, inode->i_mode, rdev);
btrfs_update_inode(trans, root, inode);
d_instantiate(dentry, inode);
}
out_unlock:
nr = trans->blocks_used;
@ -4722,6 +4719,7 @@ static int btrfs_create(struct inode *dir, struct dentry *dentry,
inode->i_mapping->a_ops = &btrfs_aops;
inode->i_mapping->backing_dev_info = &root->fs_info->bdi;
BTRFS_I(inode)->io_tree.ops = &btrfs_extent_io_ops;
d_instantiate(dentry, inode);
}
out_unlock:
nr = trans->blocks_used;
@ -4779,6 +4777,7 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir,
struct dentry *parent = dentry->d_parent;
err = btrfs_update_inode(trans, root, inode);
BUG_ON(err);
d_instantiate(dentry, inode);
btrfs_log_new_name(trans, inode, NULL, parent);
}
@ -7245,6 +7244,8 @@ static int btrfs_symlink(struct inode *dir, struct dentry *dentry,
drop_inode = 1;
out_unlock:
if (!err)
d_instantiate(dentry, inode);
nr = trans->blocks_used;
btrfs_end_transaction_throttle(trans, root);
if (drop_inode) {