[v4 PATCH 10/13] ubifs: Use crypto_acomp interface

[Zhihao Cheng]

在 2025/3/14 20:22, Herbert Xu 写道:
> Replace the legacy crypto compression interface with the new acomp
> interface.
> 
> Remove the compression mutexes and the overallocation for memory
> (the offender LZO has been fixed).
> 
> Signed-off-by: Herbert Xu <herbert at gondor.apana.org.au>
> ---
>   fs/ubifs/compress.c | 116 ++++++++++++++++++++++++++++----------------
>   fs/ubifs/journal.c  |   2 +-
>   fs/ubifs/ubifs.h    |  15 +-----
>   3 files changed, 77 insertions(+), 56 deletions(-)
> 

Hi, Herbert, I got some warning messages while running xfstests, it 
looks like the compressor returns error code.

[  397.971086] run fstests generic/103 at 2025-03-15 16:48:29
[  398.182347] run fstests generic/104 at 2025-03-15 16:48:29
[  398.396986] run fstests generic/105 at 2025-03-15 16:48:29
[  398.602640] run fstests generic/106 at 2025-03-15 16:48:29
[  398.816819] run fstests generic/107 at 2025-03-15 16:48:30
[  399.032602] run fstests generic/108 at 2025-03-15 16:48:30
[  399.271669] run fstests generic/109 at 2025-03-15 16:48:30
[  399.449228] UBIFS (ubi1:0): default file-system created
[  399.449257] UBIFS (ubi1:0): Mounting in unauthenticated mode
[  399.449359] UBIFS (ubi1:0): background thread "ubifs_bgt1_0" started, 
PID 1703
[  399.449876] UBIFS (ubi1:0): UBIFS: mounted UBI device 1, volume 0, 
name "vol_a"
[  399.449882] UBIFS (ubi1:0): LEB size: 129024 bytes (126 KiB), 
min./max. I/O unit sizes: 2048 bytes/2048 bytes
[  399.449886] UBIFS (ubi1:0): FS size: 220631040 bytes (210 MiB, 1710 
LEBs), max 1722 LEBs, journal size 11096064 bytes (10 MiB, 86 LEBs)
[  399.449890] UBIFS (ubi1:0): reserved for root: 4952683 bytes (4836 KiB)
[  399.449892] UBIFS (ubi1:0): media format: w5/r0 (latest is w5/r0), 
UUID 56E8FEFD-CF25-445D-9159-BE65FC10EC9B, small LPT model
[  399.449904] UBIFS (ubi1:0): full atime support is enabled.
[  400.054087] UBIFS warning (ubi0:0 pid 110): ubifs_compress_req 
[ubifs]: cannot compress 4096 bytes, compressor zstd, error -22, leave 
data uncompressed
[  400.055631] UBIFS warning (ubi0:0 pid 110): ubifs_compress_req 
[ubifs]: cannot compress 4096 bytes, compressor zstd, error -22, leave 
data uncompressed
[  400.057137] UBIFS warning (ubi0:0 pid 110): ubifs_compress_req 
[ubifs]: cannot compress 4096 bytes, compressor zstd, error -22, leave 
data uncompressed
[  400.058760] UBIFS warning (ubi0:0 pid 110): ubifs_compress_req 
[ubifs]: cannot compress 4096 bytes, compressor zstd, error -22, leave 
data uncompressed