Hello:
This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim <jaeg...@kernel.org>:
On Tue, 29 Oct 2024 11:12:49 +0800 you wrote:
> If gc_mode is set to GC_URGENT_LOW or GC_URGENT_MID, cost benefit GC
> approach should be used, but if ATGC is enabled at the same time,
> Age-threshold approach will be selected, which can only do amount of
> GC and it is much less than the numbers of CB approach.
>
> some traces:
> f2fs_gc-254:48-396 [007] ..... 2311600.684028: f2fs_gc_begin: dev =
> (254,48), gc_type = Background GC, no_background_GC = 0, nr_free_secs = 0,
> nodes = 1053, dents = 2, imeta = 18, free_sec:44898, free_seg:44898,
> rsv_seg:239, prefree_seg:0
> f2fs_gc-254:48-396 [007] ..... 2311600.684527: f2fs_get_victim: dev =
> (254,48), type = No TYPE, policy = (Background GC, LFS-mode, Age-threshold),
> victim = 10, cost = 4294364975, ofs_unit = 1, pre_victim_secno = -1, prefree
> = 0, free = 44898
> f2fs_gc-254:48-396 [007] ..... 2311600.714835: f2fs_gc_end: dev =
> (254,48), ret = 0, seg_freed = 0, sec_freed = 0, nodes = 1562, dents = 2,
> imeta = 18, free_sec:44898, free_seg:44898, rsv_seg:239, prefree_seg:0
> f2fs_gc-254:48-396 [007] ..... 2311600.714843: f2fs_background_gc: dev
> = (254,48), wait_ms = 50, prefree = 0, free = 44898
> f2fs_gc-254:48-396 [007] ..... 2311600.771785: f2fs_gc_begin: dev =
> (254,48), gc_type = Background GC, no_background_GC = 0, nr_free_secs = 0,
> nodes = 1562, dents = 2, imeta = 18, free_sec:44898, free_seg:44898,
> rsv_seg:239, prefree_seg:
> f2fs_gc-254:48-396 [007] ..... 2311600.772275: f2fs_gc_end: dev =
> (254,48), ret = -61, seg_freed = 0, sec_freed = 0, nodes = 1562, dents = 2,
> imeta = 18, free_sec:44898, free_seg:44898, rsv_seg:239, prefree_seg:0
>
> [...]
Here is the summary with links:
- [f2fs-dev,V3] f2fs: fix to avoid use GC_AT when setting gc_mode as
GC_URGENT_LOW or GC_URGENT_MID
https://git.kernel.org/jaegeuk/f2fs/c/296b8cb34e65
You are awesome, thank you!
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