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This changes the ask_yn() function used by fsck to accept Y or N,
meaning yes or no for all errors of a given type.
With this, the user can be prompted only for distinct error types -
useful when a filesystem has lots of errors.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
When errors=panic, we need to dump transaction updates before calling
bch2_inconsistent_error().
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
- Centralize format strings in bcachefs.h
- Add bch2_fmt_inum_offset() and related helpers
- Switch error messages for inodes to also print out the offset, in
bytes
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
- factor out fsck_err_get()
- if the "bcachefs (%s):" prefix has already been applied, don't
duplicate it
- convert to printbufs instead of static char arrays
- tidy up control flow a bit
- use bch2_print_string_as_lines(), to avoid messages getting truncated
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Add a new error macro that also dumps transaction updates in addition to
doing an emergency shutdown - when a transaction update discovers or is
causing a fs inconsistency, it's helpful to see what updates it was
doing.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
It's unhelpful if we see "Halting mark and sweep to start topology
repair" but we don't see the error that triggered it.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
This splits out btree topology repair into a separate pass, and makes
some improvements:
- When we have to pick which of two overlapping nodes to drop keys
from, we use the btree node header sequence number to preserve the
newer node
- the gc code has been changed so that it doesn't bail out if we're
continuing/ignoring on fsck error - this way the dump tool can skip
running the repair pass but still walk all reachable metadata
- add a new superblock flag indicating when a filesystem is known to
have btree topology issues, and the topology repair pass should be
run
- changing the start/end of a node might mean keys in that node have to
be deleted: this patch handles that better by splitting it out into a
separate function and running it explicitly in the topology repair
code, previously those keys were only being dropped when the btree
node was read in.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
it's useful to know whether an error was for a read or a write - this
also standardizes error messages a bit more.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This also consolidates the various checks in bch2_mark_pointer() and
bch2_trans_mark_pointer().
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
These have all been converted to fsck/inconsistent errors
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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>
