bcachefs: bch_fs.rw_devs_change_count

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Add a counter that's incremented whenever rw devices change; this will
be used for erasure coding so that it can keep ec_stripe_head in sync
and not deadlock on a new stripe when a device it wants goes away.

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

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This commit is contained in:

Kent Overstreet 2024-09-06 19:12:53 -04:00

parent ad8d1f77fc

commit 83ccd9b31d

2 changed files with 9 additions and 4 deletions

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12

fs/bcachefs/alloc_background.c

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1

fs/bcachefs/bcachefs.h

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