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Kernel: Xiaomi kernel changes for Xiaomi Pad 6
The Patch based on QualComm release TAG: LA.UM.9.12.r1-13300-SMxx50.QSSI12.0-1 The kernel config file used is pipa_user_defconfig Signed-off-by: jiahao <[email protected]> Change-Id: Id6754d48feac5dc72afa74d088f0683b0363db1a
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -22,7 +22,8 @@ Contact: "Namjae Jeon" <[email protected]> | |
| Description: Controls the victim selection policy for garbage collection. | ||
| Setting gc_idle = 0(default) will disable this option. Setting | ||
| gc_idle = 1 will select the Cost Benefit approach & setting | ||
| gc_idle = 2 will select the greedy approach. | ||
| gc_idle = 2 will select the greedy approach & setting | ||
| gc_idle = 3 will select the age-threshold based approach. | ||
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|
||
| What: /sys/fs/f2fs/<disk>/reclaim_segments | ||
| Date: October 2013 | ||
|
|
@@ -48,7 +49,7 @@ Description: Controls the in-place-update policy. | |
| 0x01: F2FS_IPU_FORCE, 0x02: F2FS_IPU_SSR, | ||
| 0x04: F2FS_IPU_UTIL, 0x08: F2FS_IPU_SSR_UTIL, | ||
| 0x10: F2FS_IPU_FSYNC, 0x20: F2FS_IPU_ASYNC, | ||
| 0x40: F2FS_IPU_NOCACHE. | ||
| 0x40: F2FS_IPU_NOCACHE,0x80 F2FS_IPU_HONOR_OPU_WRITE. | ||
| Refer segment.h for details. | ||
|
|
||
| What: /sys/fs/f2fs/<disk>/min_ipu_util | ||
|
|
@@ -319,6 +320,15 @@ Contact: "Hridya Valsaraju" <[email protected]> | |
| Description: Average number of valid blocks. | ||
| Available when CONFIG_F2FS_STAT_FS=y. | ||
|
|
||
| What: /sys/fs/f2fs/<disk>/ckpt_thread_ioprio | ||
| Date: January 2021 | ||
| Contact: "Daeho Jeong" <[email protected]> | ||
| Description: Give a way to change checkpoint merge daemon's io priority. | ||
| Its default value is "be,3", which means "BE" I/O class and | ||
| I/O priority "3". We can select the class between "rt" and "be", | ||
| and set the I/O priority within valid range of it. "," delimiter | ||
| is necessary in between I/O class and priority number. | ||
|
|
||
| What: /sys/fs/f2fs/<disk>/mounted_time_sec | ||
| Date: February 2020 | ||
| Contact: "Jaegeuk Kim" <[email protected]> | ||
|
|
@@ -347,3 +357,74 @@ Date: April 2020 | |
| Contact: "Daeho Jeong" <[email protected]> | ||
| Description: Give a way to change iostat_period time. 3secs by default. | ||
| The new iostat trace gives stats gap given the period. | ||
|
|
||
| What: /sys/fs/f2fs/<disk>/atgc_candidate_ratio | ||
| Date: May 2021 | ||
| Contact: "Chao Yu" <[email protected]> | ||
| Description: When ATGC is on, it controls candidate ratio in order to limit total | ||
| number of potential victim in all candidates, the value should be in | ||
| range of [0, 100], by default it was initialized as 20(%). | ||
|
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||
| What: /sys/fs/f2fs/<disk>/atgc_candidate_count | ||
| Date: May 2021 | ||
| Contact: "Chao Yu" <[email protected]> | ||
| Description: When ATGC is on, it controls candidate count in order to limit total | ||
| number of potential victim in all candidates, by default it was | ||
| initialized as 10 (sections). | ||
|
|
||
| What: /sys/fs/f2fs/<disk>/atgc_age_weight | ||
| Date: May 2021 | ||
| Contact: "Chao Yu" <[email protected]> | ||
| Description: When ATGC is on, it controls age weight to balance weight proportion | ||
| in between aging and valid blocks, the value should be in range of | ||
| [0, 100], by default it was initialized as 60(%). | ||
|
|
||
| What: /sys/fs/f2fs/<disk>/atgc_age_threshold | ||
| Date: May 2021 | ||
| Contact: "Chao Yu" <[email protected]> | ||
| Description: When ATGC is on, it controls age threshold to bypass GCing young | ||
| candidates whose age is not beyond the threshold, by default it was | ||
| initialized as 604800 seconds (equals to 7 days). | ||
|
|
||
| What: /sys/fs/f2fs/<disk>/compr_written_block | ||
| Date: March 2021 | ||
| Contact: "Daeho Jeong" <[email protected]> | ||
| Description: Show the block count written after compression since mount. Note | ||
| that when the compressed blocks are deleted, this count doesn't | ||
| decrease. If you write "0" here, you can initialize | ||
| compr_written_block and compr_saved_block to "0". | ||
|
|
||
| What: /sys/fs/f2fs/<disk>/compr_saved_block | ||
| Date: March 2021 | ||
| Contact: "Daeho Jeong" <[email protected]> | ||
| Description: Show the saved block count with compression since mount. Note | ||
| that when the compressed blocks are deleted, this count doesn't | ||
| decrease. If you write "0" here, you can initialize | ||
| compr_written_block and compr_saved_block to "0". | ||
|
|
||
| What: /sys/fs/f2fs/<disk>/compr_new_inode | ||
| Date: March 2021 | ||
| Contact: "Daeho Jeong" <[email protected]> | ||
| Description: Show the count of inode newly enabled for compression since mount. | ||
| Note that when the compression is disabled for the files, this count | ||
| doesn't decrease. If you write "0" here, you can initialize | ||
| compr_new_inode to "0". | ||
|
|
||
| What: /sys/fs/f2fs/<disk>/hot_data_age_threshold | ||
| Date: November 2022 | ||
| Contact: "Ping Xiong" <[email protected]> | ||
| Description: When DATA SEPARATION is on, it controls the age threshold to indicate | ||
| the data blocks as hot. By default it was initialized as 262144 blocks | ||
| (equals to 1GB). | ||
|
|
||
| What: /sys/fs/f2fs/<disk>/warm_data_age_threshold | ||
| Date: November 2022 | ||
| Contact: "Ping Xiong" <[email protected]> | ||
| Description: When DATA SEPARATION is on, it controls the age threshold to indicate | ||
| the data blocks as warm. By default it was initialized as 2621440 blocks | ||
| (equals to 10GB). | ||
|
|
||
| What: /sys/fs/f2fs/<disk>/last_age_weight | ||
| Date: January 2023 | ||
| Contact: "Ping Xiong" <[email protected]> | ||
| Description: When DATA SEPARATION is on, it controls the weight of last data block age. | ||
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