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bcachefs: bcachefs_metadata_version_persistent_inode_cursors

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Persistent cursors for inode allocation.

A free inodes btree would add substantial overhead to inode allocation
and freeing - a "next num to allocate" cursor is always going to be
faster.

We just need it to be persistent, to avoid scanning the inodes btree
from the start on startup.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Kent Overstreet 2024-12-01 21:44:38 -05:00
commit df448ca355
12 changed files with 135 additions and 59 deletions
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