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path: root/fs/btrfs/block-group.c
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2019-09-09btrfs: add space reservation tracepoint for reserved bytesJosef Bacik
I noticed when folding the trace_btrfs_space_reservation() tracepoint into the btrfs_space_info_update_* helpers that we didn't emit a tracepoint when doing btrfs_add_reserved_bytes(). I know this is because we were swapping bytes_may_use for bytes_reserved, so in my mind there was no reason to have the tracepoint there. But now there is because we always emit the unreserve for the bytes_may_use side, and this would have broken if compression was on anyway. Add a tracepoint to cover the bytes_reserved counter so the math still comes out right. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2019-09-09btrfs: roll tracepoint into btrfs_space_info_update helperJosef Bacik
We duplicate this tracepoint everywhere we call these helpers, so update the helper to have the tracepoint as well. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2019-09-09btrfs: move math functions to misc.hDavid Sterba
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: David Sterba <dsterba@suse.com>
2019-09-09btrfs: rename the btrfs_calc_*_metadata_size helpersJosef Bacik
btrfs_calc_trunc_metadata_size differs from trans_metadata_size in that it doesn't take into account any splitting at the levels, because truncate will never split nodes. However truncate _and_ changing will never split nodes, so rename btrfs_calc_trunc_metadata_size to btrfs_calc_metadata_size. Also btrfs_calc_trans_metadata_size is purely for inserting items, so rename this to btrfs_calc_insert_metadata_size. Making these clearer will help when I start using them differently in upcoming patches. Reviewed-by: Nikolay Borisov <nborisov@suse.com> Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2019-09-09btrfs: unexport the temporary exported functionsJosef Bacik
These were renamed and exported to facilitate logical migration of different code chunks into block-group.c. Now that all the users are in one file go ahead and rename them back, move the code around, and make them static. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2019-09-09btrfs: migrate the block group cleanup codeJosef Bacik
This can now be easily migrated as well. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> [ refresh on top of sysfs cleanups ] Signed-off-by: David Sterba <dsterba@suse.com>
2019-09-09btrfs: migrate the alloc_profile helpersJosef Bacik
These feel more at home in block-group.c. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> [ refresh, adjust btrfs_get_alloc_profile exports ] Signed-off-by: David Sterba <dsterba@suse.com>
2019-09-09btrfs: migrate the chunk allocation codeJosef Bacik
This feels more at home in block-group.c than in extent-tree.c. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com>i [ refresh ] Signed-off-by: David Sterba <dsterba@suse.com>
2019-09-09btrfs: migrate the block group space accounting helpersJosef Bacik
We can now easily migrate this code as well. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2019-09-09btrfs: migrate the dirty bg writeout codeJosef Bacik
This can be easily migrated over now. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> [ update comments ] Signed-off-by: David Sterba <dsterba@suse.com>
2019-09-09btrfs: migrate inc/dec_block_group_ro codeJosef Bacik
This can easily be moved now. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> [ refresh ] Signed-off-by: David Sterba <dsterba@suse.com>
2019-09-09btrfs: migrate the block group read/creation codeJosef Bacik
All of the prep work has been done so we can now cleanly move this chunk over. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> [ refresh, add btrfs_get_alloc_profile export, comment updates ] Signed-off-by: David Sterba <dsterba@suse.com>
2019-09-09btrfs: migrate the block group removal codeJosef Bacik
This is the removal code and the unused bgs code. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> [ refresh, move clear_incompat_bg_bits ] Signed-off-by: David Sterba <dsterba@suse.com>
2019-09-09btrfs: migrate the block group caching codeJosef Bacik
We can now just copy it over to block-group.c. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2019-09-09btrfs: migrate nocow and reservation helpersJosef Bacik
These are relatively straightforward as well. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2019-09-09btrfs: migrate the block group ref counting stuffJosef Bacik
Another easy set to move over to block-group.c. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
2019-09-09btrfs: migrate the block group lookup codeJosef Bacik
Move these bits first as they are the easiest to move. Export two of the helpers so they can be moved all at once. Signed-off-by: Josef Bacik <josef@toxicpanda.com> Reviewed-by: David Sterba <dsterba@suse.com> [ minor style updates ] Signed-off-by: David Sterba <dsterba@suse.com>
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