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| author | Yangtao Li <frank.li@vivo.com> | 2023-02-16 17:09:35 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2023-03-30 01:17:37 +0300 |
| commit | 960fa2c828a0af7a3b03b295e6aa17b2afeb5e07 (patch) | |
| tree | 2264e6c12566db76d7f003cbdbb7fd4562a7688a /fs/f2fs/sysfs.c | |
| parent | 60630375064f6f5124316dc372cdbed482a11f1e (diff) | |
| download | linux-960fa2c828a0af7a3b03b295e6aa17b2afeb5e07.tar.xz | |
f2fs: export compress_percent and compress_watermark entries
This patch export below sysfs entries for better control cached
compress page count.
/sys/fs/f2fs/<disk>/compress_watermark
/sys/fs/f2fs/<disk>/compress_percent
Signed-off-by: Yangtao Li <frank.li@vivo.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/sysfs.c')
| -rw-r--r-- | fs/f2fs/sysfs.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c index 0b19163c90d4..5397bd8bfcf7 100644 --- a/fs/f2fs/sysfs.c +++ b/fs/f2fs/sysfs.c @@ -598,6 +598,20 @@ out: sbi->compr_new_inode = 0; return count; } + + if (!strcmp(a->attr.name, "compress_percent")) { + if (t == 0 || t > 100) + return -EINVAL; + *ui = t; + return count; + } + + if (!strcmp(a->attr.name, "compress_watermark")) { + if (t == 0 || t > 100) + return -EINVAL; + *ui = t; + return count; + } #endif if (!strcmp(a->attr.name, "atgc_candidate_ratio")) { @@ -950,6 +964,8 @@ F2FS_FEATURE_RO_ATTR(compression); F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, compr_written_block, compr_written_block); F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, compr_saved_block, compr_saved_block); F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, compr_new_inode, compr_new_inode); +F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, compress_percent, compress_percent); +F2FS_RW_ATTR(F2FS_SBI, f2fs_sb_info, compress_watermark, compress_watermark); #endif F2FS_FEATURE_RO_ATTR(pin_file); @@ -1057,6 +1073,8 @@ static struct attribute *f2fs_attrs[] = { ATTR_LIST(compr_written_block), ATTR_LIST(compr_saved_block), ATTR_LIST(compr_new_inode), + ATTR_LIST(compress_percent), + ATTR_LIST(compress_watermark), #endif /* For ATGC */ ATTR_LIST(atgc_candidate_ratio), |