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Author SHA1 Message Date
Tim Schlueter
a420eea689 bcachefs: Set the last mount time using the realtime clock 
This way the last mount time is actually meaningful instead of just being
various times from 1970 (which happens with the monotonic clock).

Also, roundup_pow_of_two() is undefined when passed in 0, so check before
calling it.

Signed-off-by: Tim Schlueter <schlueter.tim@linux.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:11 -04:00
Kent Overstreet
4628529f15 bcachefs: Disk usage in compressed sectors, not uncompressed 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:11 -04:00
Kent Overstreet
8b335baef2 bcachefs: Assorted fixes for running on very small devices 
It's now possible to create and use a filesystem on a 512k device with
4k buckets (though at that size we still waste almost half to internal
reserves)

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:11 -04:00
Kent Overstreet
b092dadd55 bcachefs: Scale down number of writepoints when low on space 
this means we don't have to reserve space for them when calculating
filesystem capacity

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:11 -04:00
Kent Overstreet
72644db153 bcachefs: Fix an assertion when rebuilding replicas 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:11 -04:00
Kent Overstreet
02f1a96c13 bcachefs: Rename nofsck opt to fsck 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:11 -04:00
Kent Overstreet
6bdbfa87a8 bcachefs: Fix journal replay when replicas sb section missing 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:11 -04:00
Kent Overstreet
636ad1d391 bcachefs: fix bounds checks in bch2_bio_map() 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet
ac10a9611d bcachefs: Some fixes for building in userspace 
userspace allocators don't align allocations as nicely as kernel
allocators, which meant that in some cases we weren't allocating big
enough bvec arrays - just make the calculations more rigorous and
explicit to fix it.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet
b564513cf9 bcachefs: fix bch2_bkey_print_bfloat 
was popping an assertion in the eytzinger code

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet
5bd95a3718 bcachefs: new avoid mechanism for io retries 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet
47799326bc bcachefs: more key marking refactoring 
prep work for erasure coding

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet
103e212785 bcachefs: replicas: prep work for stripes 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet
7a920560d7 bcachefs: kill struct bch_replicas_cpu_entry 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet
198d67006b bcachefs: add functionality for heaps to update backpointers 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet
2252aa271c bcachefs: btree gc refactoring 
prep work for erasure coding

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet
abce30b79b bcachefs: BCH_EXTENT_ENTRY_TYPES() 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet
71c9e0ba42 bcachefs: bch2_extent_ptr_decoded_append() 
This new helper for the move path avoids creating a new CRC entry when
we already have one that matches the pointer being added.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet
a2753581f6 bcachefs: bch2_extent_drop_ptrs() 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet
1742237ba1 bcachefs: extent_for_each_ptr_decode() 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet
642d66d1bb bcachefs: kill bch_extent_crc_type 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet
4cb1315666 bcachefs: extent_ptr_decoded 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet
deb3318b0e bcachefs: fix missing include 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet
6278a46da3 bcachefs: fix a spurious gcc warning 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet
ef337c54c6 bcachefs: Allocation code refactoring 
bch2_alloc_sectors_start() was a nightmare to work with - it's got some
tricky stuff to do, since it wants to use the buckets the writepoint
already has, unless they're not in the target it wants to write to,
unless it can't allocate from any other devices in which case it will
use those buckets if it has to - et cetera.

This restructures the code to start with a new empty list of open
buckets we're going to use for the new allocation, pulling buckets from
the write point's list as we decide that we really are going to use
them - making the code somewhat more functional and drastically easier
to understand.

Also fixes a bug where we could end up waiting on c->freelist_wait
(because allocating from one device failed) but return success from
bch2_bucket_alloc(), because allocating from a different device
succeeded.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet
7b3f84ea7d bcachefs: Split out alloc_background.c 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet
f43cc5be6e bcachefs: Fix failure to suspend 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet
c2fcff5973 bcachefs: Fix suspend when moving data faster than ratelimit 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:10 -04:00
Kent Overstreet
d06182cadb bcachefs: fix bch2_acl_chmod() 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:09 -04:00
Kent Overstreet
34b8e55276 bcachefs: Fix a deadlock 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:09 -04:00
Kent Overstreet
cf0517af15 bcachefs: fix a divide 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:09 -04:00
Kent Overstreet
bc230209d3 bcachefs: make fsck spew less 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:09 -04:00
Kent Overstreet
741daa5be5 bcachefs: Dirent repair code 
There was a bug for awhile in previous kernels where we weren't
computing dirent name lengths correctly and we weren't zeroing out
padding at the end of dirents (due to struct bch_dirent changing size by
adding __attribute__((aligned)), and not updating other code to use
offsetof).

This patch fixes dirents with junk at the end, by going off of the
dirent's hash.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:09 -04:00
Kent Overstreet
cbdf24cef1 bcachefs: Fix a btree iter bug when iter pos == POS_MAX 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:09 -04:00
Kent Overstreet
a00fd8c535 bcachefs: Comparison function cleanups 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:09 -04:00
Kent Overstreet
f84306a570 bcachefs: Prioritize fragmentation in bucket allocator 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:09 -04:00
Kent Overstreet
216c9facfd bcachefs: Pass around bset_tree less 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:09 -04:00
Kent Overstreet
fc3268c13c bcachefs: kill extent_insert_hook 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:09 -04:00
Kent Overstreet
190fa7af39 bcachefs: kill i_sectors_hook 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:09 -04:00
Kent Overstreet
8ef231bd51 bcachefs: convert fcollapse to bch2_extent_update() 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:09 -04:00
Kent Overstreet
5f461e01b8 bcachefs: convert fpunch to bch2_extent_update() 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:09 -04:00
Kent Overstreet
54e2264e17 bcachefs: convert truncate to bch2_extent_update() 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:09 -04:00
Kent Overstreet
08af47dfc2 bcachefs: convert bchfs_write_index_update() to bch2_extent_update() 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:09 -04:00
Kent Overstreet
e2d9912c6f bcachefs: bch2_extent_trim_atomic() 
Prep work for extents insert hook removal

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:09 -04:00
Kent Overstreet
581edb6341 bcachefs: mempoolify btree_trans 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:09 -04:00
Kent Overstreet
cc1add4a80 bcachefs: BTREE_INSERT_JOURNAL_RES_FULL is no longer possible 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:09 -04:00
Kent Overstreet
df8a42393e bcachefs: extent_squash() can no longer fail 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:09 -04:00
Kent Overstreet
e4ccb25131 bcachefs: make struct btree_iter a bit smaller 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:09 -04:00
Kent Overstreet
271a3d3a4b bcachefs: lift ordering restriction on 0 size extents 
This lifts the restriction that 0 size extents must not overlap with
other extents, which means we can now sort extents and non extents the
same way, and will let us simplify a bunch of other stuff as well.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:09 -04:00
Kent Overstreet
0fdf18047f bcachefs: extent unit tests 
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
 2023-10-22 17:08:08 -04:00