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Continuing the project of replacing generic error codes with more
specific ones.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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We avoid using standard error codes: private, per-callsite error codes
make debugging easier.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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We now track IO errors per device since filesystem creation.
IO error counts can be viewed in sysfs, or with the 'bcachefs
show-super' command.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Since compression options now include compression level, proper
validation is a bit more involved.
This adds bch2_compression_opt_valid(), and plumbs it around
appropriately.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Since we can run with unknown btree IDs, we can't directly index btree
IDs into fixed size arrays.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Signed-off-by: Hunter Shaffer <huntershaffer182456@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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This makes mount option handling consistent with other filesystems -
options may be handled at different layers, so an option we don't know
about might not be intended for us.
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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clang had a few more warnings about enum conversion, and also didn't
like the opts.c initializer.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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This refactoring centralizes defining per-btree properties.
bch2_key_types_allowed was also about to overflow a u32, so expand that
to a u64.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Before, it was parsed as a bool but internally it was really an enum:
this lets us pass in all the possible values.
But we special case the option parsing: no supplied value is parsed as
FSCK_FIX_yes, to match the previous behaviour.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Minor refactoring to get rid of some unneeded token pasting.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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The version_upgrade parameter is now an enum, not a bool, and it's
persistent in the superblock:
- compatible (default): upgrade to the latest compatible version
- incompatible: upgrade to latest incompatible version
- none
Currently all upgrades are incompatible upgrades, but the next release
will introduce major:minor versions.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Add a new helper for printing out metadata versions in a standard
format.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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This improves io_opts() and makes it a non-inline function - it's big
enough that it probably shouldn't be.
Also, bch_io_opts no longer needs fields for whether options are
defined, so we can slim it down a bit.
We'd like to stop passing around the full bch_io_opts, but that'll be
tricky because of bch2_rebalance_add_key().
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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It turns out the *_defined entries of bch_io_opts are only used in one
place - in the xattr get path - and there we immediately convert to a
bch_opts struct, which also has the *_defined entries.
This patch changes bch2_inode_opts_to_opts() to go directly from
bch_inode_unpacked to bch_opts, which is a minor simplification and will
also let us slim down struct bch_io_opts in another patch.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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When inserting a key type that's not valid for a given btree, we should
print out which btree we were inserting into.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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This converts bcachefs to the modern printbuf interface/implementation,
synced with the version to be submitted upstream.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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bch2_opt_parse() was failing to generate error messages in error path.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
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In a few places we were passing a variable to pr_buf() for the format
string - oops.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
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This moves validation of superblock options to bch2_sb_validate(), so
they'll be checked in the write path as well.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
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Now we've got strings for metadata versions - this changes
bch2_sb_to_text() and our mount log message to use it.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
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Options no longer have to be manually added to bch2_sb_to_text() - it
now uses the master list of options in opts.h. Also, improve some of the
formatting by converting it to tabstops.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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This adds a _to_text() pretty printer for journal entries - including
every subtype - which will shortly be used by the 'bcachefs
list_journal' subcommand.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
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Prep work for persistent LRUs and getting rid of the in memory bucket
array.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
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This adds flags for options that must be a power of two (block size and
btree node size), and options that are stored in the superblock as a
power of two (encoded extent max).
Also: options are now stored in memory in the same units they're
displayed in (bytes): we now convert when getting and setting from the
superblock.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
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This matches the conversion the parsing code does.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
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This patch converts more enums in the on disk format to our standard
x-macro-with-strings deal - to enable better pretty-printing.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
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This patch adds subvolume.c - support for the subvolumes and snapshots
btrees and related data types and on disk data structures. The next
patches will start hooking up this new code to existing code.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
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Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
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Add readable names for d_type, and use it in dirent_to_text().
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
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When parsing the mount options duplicate the given options. This is
required as the options are parsed twice and strsep is used in parsing.
The options will be modified into a possibly invalid options set for the
second round of parsing if the options are not duplicated before
parsing.
Signed-off-by: Dan Robertson <dan@dlrobertson.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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This patch standardizes all the enums that have associated string tables
(probably more enums should have string tables).
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@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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This is to generate strings for them, so that we can print them out.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Some options can't be parsed until the filesystem initialized;
previously, passing these options to mount or remount would cause mount
to fail.
This changes the mount path so that we parse the options passed in
twice, and just ignore any options that can't be parsed the first time.
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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Helps for preventing things from getting out of sync.
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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New helper function for setting incompatible feature bits
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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Add helptext to option definitions - so we can unify the option
handling with the format command
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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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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