bcachefs: Btree splits now only take the locks they need

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Previously, bch2_btree_update_start() would always take all intent
locks, all the way up to the root.

We've finally got data from users where this became a scalability issue
- so, this patch fixes bch2_btree_update_start() to only take the locks
we need.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

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This commit is contained in:

Kent Overstreet 2022-09-27 18:57:34 -04:00

parent 969576ecae

commit 1f0f731ffe

2 changed files with 26 additions and 17 deletions

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42

fs/bcachefs/btree_update_interior.c

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1

fs/bcachefs/btree_update_interior.h

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