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Merge branch 'bug-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/josef/btrfs-work

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Conflicts:
	fs/btrfs/extent-tree.c

Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2010-10-29 09:27:49 -04:00
parent 8216ef866d e9bb7f10d3
commit 6b5b817f10
7 changed files with 298 additions and 183 deletions
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18
fs/btrfs/super.c
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@@ -638,7 +638,7 @@ static int btrfs_get_sb(struct file_system_type *fs_type, int flags,
if (IS_ERR(root)) {
error = PTR_ERR(root);
deactivate_locked_super(s);
goto error;
goto error_free_subvol_name;
}
/* if they gave us a subvolume name bind mount into that */
if (strcmp(subvol_name, ".")) {
@@ -652,14 +652,14 @@ static int btrfs_get_sb(struct file_system_type *fs_type, int flags,
deactivate_locked_super(s);
error = PTR_ERR(new_root);
dput(root);
goto error_close_devices;
goto error_free_subvol_name;
}
if (!new_root->d_inode) {
dput(root);
dput(new_root);
deactivate_locked_super(s);
error = -ENXIO;
goto error_close_devices;
goto error_free_subvol_name;
}
dput(root);
root = new_root;
@@ -677,7 +677,6 @@ error_close_devices:
btrfs_close_devices(fs_devices);
error_free_subvol_name:
kfree(subvol_name);
error:
return error;
}
@@ -725,18 +724,25 @@ static int btrfs_statfs(struct dentry *dentry, struct kstatfs *buf)
struct list_head *head = &root->fs_info->space_info;
struct btrfs_space_info *found;
u64 total_used = 0;
u64 total_used_data = 0;
int bits = dentry->d_sb->s_blocksize_bits;
__be32 *fsid = (__be32 *)root->fs_info->fsid;
rcu_read_lock();
list_for_each_entry_rcu(found, head, list)
list_for_each_entry_rcu(found, head, list) {
if (found->flags & (BTRFS_BLOCK_GROUP_METADATA |
BTRFS_BLOCK_GROUP_SYSTEM))
total_used_data += found->disk_total;
else
total_used_data += found->disk_used;
total_used += found->disk_used;
}
rcu_read_unlock();
buf->f_namelen = BTRFS_NAME_LEN;
buf->f_blocks = btrfs_super_total_bytes(disk_super) >> bits;
buf->f_bfree = buf->f_blocks - (total_used >> bits);
buf->f_bavail = buf->f_bfree;
buf->f_bavail = buf->f_blocks - (total_used_data >> bits);
buf->f_bsize = dentry->d_sb->s_blocksize;
buf->f_type = BTRFS_SUPER_MAGIC;