| Commit message (Collapse) | Author | Age |
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This commit enables the delayed refs infrastructures. This entails doing
the following:
1. Replacing existing calls of btrfs_extent_post_op (which is the
equivalent of delayed refs) with the proper btrfs_run_delayed_refs.
As well as eliminating open-coded calls to finish_current_insert and
del_pending_extents which execute the delayed ops.
2. Wiring up the addition of delayed refs when freeing extents
(btrfs_free_extent) and when adding new extents (alloc_tree_block).
3. Adding calls to btrfs_run_delayed refs in the transaction commit
path alongside comments why every call is needed, since it's not
always obvious (those call sites were derived empirically by running
and debugging existing tests)
4. Correctly flagging the transaction in which we are reinitialising
the extent tree.
5. Moving btrfs_write_dirty_block_groups to
btrfs_write_dirty_block_groups since blockgroups should be written to
disk after the last delayed refs have been run.
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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The root argument is used only to get a reference to the fs_info, this
can be achieved with the transaction handle being passed so use that.
This is in preparation for moving this function in the main transaction
commit routine. No functional changes.
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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There are cases that btrfs_commit_transaction() itself can fail, mostly
due to ENOSPC when allocating space.
Don't panic out in this case.
Signed-off-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: Gu Jinxiang <gujx@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Add a boolean to record whether the extent tree is being re-initialised
in the current transaction. This is going to be needed by the
delayed refs code.
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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This function already takes a transaction handle which has a reference
to the fs_info, so use that to obtain it.
Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Su Yue <suy.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
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Signed-off-by: David Sterba <dsterba@suse.com>
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Signed-off-by: David Sterba <dsterba@suse.com>
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Signed-off-by: David Sterba <dsterba@suse.com>
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Temporarily export the low-level helpers.
Signed-off-by: David Sterba <dsterba@suse.com>
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Signed-off-by: David Sterba <dsterba@suse.com>
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