bcachefs: BCH_SB_VERSION_UPGRADE_COMPLETE()

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Version upgrades are not atomic operations: when we do a version upgrade
we need to update the superblock before we start using new features, and
then when the upgrade completes we need to update the superblock again.
This adds a new superblock field so we can detect and handle incomplete
version upgrades.

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

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This commit is contained in:

Kent Overstreet 2023-06-28 19:59:56 -04:00

parent 7c50140fce

commit 24964e1c5c

5 changed files with 62 additions and 25 deletions

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3

fs/bcachefs/alloc_background.c

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7

fs/bcachefs/bcachefs.h

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5

fs/bcachefs/bcachefs_format.h

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54

fs/bcachefs/recovery.c

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18

fs/bcachefs/super-io.c

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