| commit | 66d7e7f09f77456fe68683247d77721032a00ee5 | |
| author | Arne Jansen <sensille@gmx.net> | |
| Mon, 12 Sep 2011 13:26:38 +0000 (12 15:26 +0200) | ||
| committer | Jan Schmidt <list.btrfs@jan-o-sch.net> | |
| Thu, 22 Dec 2011 15:22:27 +0000 (22 16:22 +0100) | ||
| tree | bbf7df3933ed47aa202d60d835864543d25df82d | treesnapshot (tar.gz zip) |
| parent | c7d22a3c3cdb73d8a0151e2ccc8cf4a48c48310b | commitdiff |
Btrfs: mark delayed refs as for cow
Add a for_cow parameter to add_delayed_*_ref and pass the appropriate value
from every call site. The for_cow parameter will later on be used to
determine if a ref will change anything with respect to qgroups.
Delayed refs coming from relocation are always counted as for_cow, as they
don't change subvol quota.
Also pass in the fs_info for later use.
btrfs_find_all_roots() will use this as an optimization, as changes that are
for_cow will not change anything with respect to which root points to a
certain leaf. Thus, we don't need to add the current sequence number to
those delayed refs.
Signed-off-by: Arne Jansen <sensille@gmx.net>
Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
Add a for_cow parameter to add_delayed_*_ref and pass the appropriate value
from every call site. The for_cow parameter will later on be used to
determine if a ref will change anything with respect to qgroups.
Delayed refs coming from relocation are always counted as for_cow, as they
don't change subvol quota.
Also pass in the fs_info for later use.
btrfs_find_all_roots() will use this as an optimization, as changes that are
for_cow will not change anything with respect to which root points to a
certain leaf. Thus, we don't need to add the current sequence number to
those delayed refs.
Signed-off-by: Arne Jansen <sensille@gmx.net>
Signed-off-by: Jan Schmidt <list.btrfs@jan-o-sch.net>
12 files changed: