btrfs: add mount option for ref_tracker

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The ref_tracker infrastructure aids debugging but is not enabled by
default as it has a performance impact. Add mount option 'ref_tracker'
so it can be selectively enabled on a filesystem. Currently it track
references of 'delayed inodes'.

Signed-off-by: Leo Martins <loemra.dev@gmail.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Leo Martins 2025-08-12 16:04:41 -07:00 • committed by David Sterba

parent b767a28d61

commit 46d33a0cc4

3 changed files with 23 additions and 0 deletions

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15

fs/btrfs/delayed-inode.h

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1

fs/btrfs/fs.h

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7

fs/btrfs/super.c

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