f2fs: fix incomplete block usage in compact SSA summaries

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commit 91b76f1059 upstream.

In a previous commit, a bug was introduced where compact SSA summaries
failed to utilize the entire block space in non-4KB block size
configurations, leading to inefficient space management.

This patch fixes the calculation logic to ensure that compact SSA
summaries can fully occupy the block regardless of the block size.

Reported-by: Chris Mason <clm@meta.com>
Fixes: e48e16f3e3 ("f2fs: support non-4KB block size without packed_ssa feature")
Signed-off-by: Daeho Jeong <daehojeong@google.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Cc: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

This commit is contained in:

Daeho Jeong 2026-01-26 14:28:01 -08:00 • committed by Greg Kroah-Hartman

parent c386753db5

commit c1ca57dc50

1 changed files with 4 additions and 4 deletions

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fs/f2fs/segment.c

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