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path: root/fs/bcachefs/clock.c
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2023-10-23bcachefs: Private error codes: ENOMEMKent Overstreet1-2/+2
This adds private error codes for most (but not all) of our ENOMEM uses, which makes it easier to track down assorted allocation failures. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-23bcachefs: Printbuf reworkKent Overstreet1-1/+1
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>
2023-10-23bcachefs: Heap allocate printbufsKent Overstreet1-0/+2
This patch changes printbufs dynamically allocate and reallocate a buffer as needed. Stack usage has become a bit of a problem, and a major cause of that has been static size string buffers on the stack. The most involved part of this refactoring is that printbufs must now be exited with printbuf_exit(). Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-23bcachefs: Persist 64 bit io clocksKent Overstreet1-4/+4
Originally, bcachefs - going back to bcache - stored, for each bucket, a 16 bit counter corresponding to how long it had been since the bucket was read from. But, this required periodically rescaling counters on every bucket to avoid wraparound. That wasn't an issue in bcache, where we'd perodically rewrite the per bucket metadata all at once, but in bcachefs we're trying to avoid having to walk every single bucket. This patch switches to persisting 64 bit io clocks, corresponding to the 64 bit bucket timestaps introduced in the previous patch with KEY_TYPE_alloc_v2. Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-23bcachefs: Convert various code to printbufKent Overstreet1-5/+2
printbufs know how big the buffer is that was allocated, so we can get rid of the random PAGE_SIZEs all over the place. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-23bcachefs: Add debug code to print btree transactionsKent Overstreet1-1/+1
Intented to help debug deadlocks, since we can't use lockdep to check btree node lock ordering. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-23bcachefs: Make io timers less buggyKent Overstreet1-14/+29
Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-23bcachefs: Inline fast path of bch2_increment_clock()Kent Overstreet1-4/+3
Shaving more cycles. Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-23bcachefs: add functionality for heaps to update backpointersKent Overstreet1-3/+3
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
2023-10-23bcachefs: Initial commitKent Overstreet1-0/+180
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>