bcachefs: Track maximum transaction memory

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This patch
 - tracks maximum bch2_trans_kmalloc() memory used in btree_transaction_stats
 - makes it available in debugfs
 - switches bch2_trans_init() to using that for the amount of memory to
   preallocate, instead of the parameter passed in

This drastically reduces transaction restarts, and means we no longer
need to track this in the source code.

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

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This commit is contained in:

Kent Overstreet 2022-08-22 21:49:55 -04:00

parent e3738c6909

commit 616928c30f

5 changed files with 20 additions and 13 deletions

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1

fs/bcachefs/bcachefs.h

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23

fs/bcachefs/btree_iter.c

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5

fs/bcachefs/btree_iter.h

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1

fs/bcachefs/btree_types.h

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3

fs/bcachefs/debug.c

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