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We don't track snapshot overwrites outside of fsck, so for this to be
called at runtime outside of fsck we need to create it on demand, when
we have repair to do.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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chardev.c and fs-ioctl.c are not organized by subject; let's try to fix
this.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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With inode backpointers, we can write a very simple
check_unreachable_inodes() pass that only looks for non-unlinked inodes
that are missing backpointers, and reattaches them.
This simplifies check_directory_structure() so that it's now only
checking for directory structure loops,
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Now that we've got bch_subvolume.fs_path_parent, it's easy to write
subvolume
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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We don't yet repair (split) them, just check.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Recovery and fsck have many different passes/jobs to do, which always
run in the same order - but not all of them run all the time. Some are
for fsck, some for unclean shutdown, some for version upgrades.
This adds some new structure: a defined list of recovery passes that we
can run in a loop, as well as consolidating the log messages.
The main benefit is consolidating the "should run this recovery pass"
logic, as well as cleaning up the "this recovery pass has finished"
state; instead of having a bunch of ad-hoc state bits in c->flags, we've
now got c->curr_recovery_pass.
By consolidating the "should run this recovery pass" logic, in the
future on disk format upgrades will be able to say "upgrading to this
version requires x passes to run", instead of forcing all of fsck to
run.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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We've had BCH_FEATURE_atomic_nlink for quite some time, we can drop this
now.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Initially forked from drivers/md/bcache, bcachefs is a new copy-on-write
filesystem with every feature you could possibly want.
Website: https://bcachefs.org
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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