btrfs: only call inode_sub_bytes in truncate paths that care

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We currently have a bunch of awkward checks to make sure we only update
the inode i_bytes if we're truncating the real inode.  Instead keep
track of the number of bytes we need to sub in the
btrfs_truncate_control, and then do the appropriate adjustment in the
truncate paths that care.

Reviewed-by: Filipe Manana <fdmanana@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>

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Josef Bacik 2021-12-03 17:18:11 -05:00 • committed by David Sterba

parent c2ddb612a8

commit 462b728ea8

4 changed files with 11 additions and 13 deletions

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1

fs/btrfs/free-space-cache.c

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19

fs/btrfs/inode-item.c

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3

fs/btrfs/inode-item.h

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1

fs/btrfs/inode.c

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