f2fs: Detect looped node chain efficiently

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find_fsync_dnodes() detect the looped node chain by comparing the loop
counter with free blocks. While it may take tens of seconds to quit when
the free blocks are large enough. We can use Floyd's cycle detection
algorithm to make the detection more efficient.

Signed-off-by: Chunhai Guo <guochunhai@vivo.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

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Chunhai Guo 2023-05-28 01:06:40 +08:00 • committed by Jaegeuk Kim

parent 25f9080576

commit 38a4a330c8

1 changed files with 51 additions and 20 deletions

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fs/f2fs/recovery.c

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