Merge remote-tracking branch 'asoc/topic/pcm1681' into asoc-next

[deliverable/linux.git] / fs / btrfs / ioctl.c

diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 4e700694b741c161951cd7a705b436335dd6cae3..05173563e4a6b9068b6c02f62b4dfd400b325ca5 100644 (file)
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -296,7 +296,7 @@ static int btrfs_ioctl_setflags(struct file *file, void __user *arg)
                }
        } else {
                /*
-                * Revert back under same assuptions as above
+                * Revert back under same assumptions as above
                 */
                if (S_ISREG(mode)) {
                        if (inode->i_size == 0)
@@ -465,7 +465,7 @@ static noinline int create_subvol(struct inode *dir,
 
        /*
         * Don't create subvolume whose level is not zero. Or qgroup will be
-        * screwed up since it assume subvolme qgroup's level to be 0.
+        * screwed up since it assumes subvolume qgroup's level to be 0.
         */
        if (btrfs_qgroup_level(objectid)) {
                ret = -ENOSPC;
@@ -780,7 +780,7 @@ free_pending:
  *     a. be owner of dir, or
  *     b. be owner of victim, or
  *     c. have CAP_FOWNER capability
- *  6. If the victim is append-only or immutable we can't do antyhing with
+ *  6. If the victim is append-only or immutable we can't do anything with
  *     links pointing to it.
  *  7. If we were asked to remove a directory and victim isn't one - ENOTDIR.
  *  8. If we were asked to remove a non-directory and victim isn't one - EISDIR.
@@ -846,11 +846,9 @@ static noinline int btrfs_mksubvol(struct path *parent,
        struct dentry *dentry;
        int error;
 
-       inode_lock_nested(dir, I_MUTEX_PARENT);
-       // XXX: should've been
-       // mutex_lock_killable_nested(&dir->i_mutex, I_MUTEX_PARENT);
-       // if (error == -EINTR)
-       //      return error;
+       error = down_write_killable_nested(&dir->i_rwsem, I_MUTEX_PARENT);
+       if (error == -EINTR)
+               return error;
 
        dentry = lookup_one_len(name, parent->dentry, namelen);
        error = PTR_ERR(dentry);
@@ -1239,7 +1237,7 @@ again:
 
 
        set_extent_defrag(&BTRFS_I(inode)->io_tree, page_start, page_end - 1,
-                         &cached_state, GFP_NOFS);
+                         &cached_state);
 
        unlock_extent_cached(&BTRFS_I(inode)->io_tree,
                             page_start, page_end - 1, &cached_state,
@@ -2377,11 +2375,9 @@ static noinline int btrfs_ioctl_snap_destroy(struct file *file,
                goto out;
 
 
-       inode_lock_nested(dir, I_MUTEX_PARENT);
-       // XXX: should've been
-       // err = mutex_lock_killable_nested(&dir->i_mutex, I_MUTEX_PARENT);
-       // if (err == -EINTR)
-       //      goto out_drop_write;
+       err = down_write_killable_nested(&dir->i_rwsem, I_MUTEX_PARENT);
+       if (err == -EINTR)
+               goto out_drop_write;
        dentry = lookup_one_len(vol_args->name, parent, namelen);
        if (IS_ERR(dentry)) {
                err = PTR_ERR(dentry);
@@ -2571,7 +2567,7 @@ out_dput:
        dput(dentry);
 out_unlock_dir:
        inode_unlock(dir);
-//out_drop_write:
+out_drop_write:
        mnt_drop_write_file(file);
 out:
        kfree(vol_args);
@@ -4654,7 +4650,7 @@ again:
        }
 
        /*
-        * mut. excl. ops lock is locked.  Three possibilites:
+        * mut. excl. ops lock is locked.  Three possibilities:
         *   (1) some other op is running
         *   (2) balance is running
         *   (3) balance is paused -- special case (think resume)
@@ -5571,7 +5567,7 @@ long btrfs_ioctl(struct file *file, unsigned int
                ret = btrfs_sync_fs(file_inode(file)->i_sb, 1);
                /*
                 * The transaction thread may want to do more work,
-                * namely it pokes the cleaner ktread that will start
+                * namely it pokes the cleaner kthread that will start
                 * processing uncleaned subvols.
                 */
                wake_up_process(root->fs_info->transaction_kthread);