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authorChris Mason <chris.mason@oracle.com>2010-10-29 15:27:49 +0200
committerChris Mason <chris.mason@oracle.com>2010-10-29 15:27:49 +0200
commit6b5b817f103450444f3f658a498f435d92a197e5 (patch)
tree2896588127c4dd6c2867ef09e7e3cdd83391f8ae /fs/btrfs/super.c
parentBtrfs: let the user know space caching is enabled (diff)
parentBtrfs: remove warn_on from use_block_rsv (diff)
downloadlinux-6b5b817f103450444f3f658a498f435d92a197e5.tar.xz
linux-6b5b817f103450444f3f658a498f435d92a197e5.zip
Merge branch 'bug-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/josef/btrfs-work
Conflicts: fs/btrfs/extent-tree.c Signed-off-by: Chris Mason <chris.mason@oracle.com>
Diffstat (limited to 'fs/btrfs/super.c')
-rw-r--r--fs/btrfs/super.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 5f56213908e7..65b62daa3f80 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -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;