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SubjectRe: [f2fs-dev] [PATCH 1/3] f2fs: factor out victim_entry usage from general rb_tree use
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On 2023/3/14 4:12, Jaegeuk Kim wrote:
> Let's reduce the complexity of mixed use of rb_tree in victim_entry from
> extent_cache and discard_cmd.
>
> This should fix arm32 memory alignment issue caused by shared rb_entry.
>
> [struct victim_entry] [struct rb_entry]
> [0] struct rb_node rb_node; [0] struct rb_node rb_node;
> union {
> struct {
> unsigned int ofs;
> unsigned int len;
> };
> [16] unsigned long long mtime; [12] unsigned long long key;
> } __packed;
>
> Cc: <stable@vger.kernel.org>
> Fixes: 093749e296e2 ("f2fs: support age threshold based garbage collection")
> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>

Reviewed-by: Chao Yu <chao@kernel.org>

Thanks,

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