trim_sections (reference) in projects: linux-4.1.27

78 What:		/sys/fs/f2fs/<disk>/trim_sections

202 F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, batched_trim_sections, trim_sections);

208  trim_sections                This parameter controls the number of sections

/linux-4.1.27/Documentation/ABI/testing/
D	sysfs-fs-f2fs	`78 What: /sys/fs/f2fs/<disk>/trim_sections`
/linux-4.1.27/fs/f2fs/
D	f2fs.h	`112 (SM_I(sbi)->trim_sections * (sbi)->segs_per_sec) 518 unsigned int trim_sections; /* # of sections to trim */ member`
D	super.c	`202 F2FS_RW_ATTR(SM_INFO, f2fs_sm_info, batched_trim_sections, trim_sections);`
D	segment.c	`2146 sm_info->trim_sections = DEF_BATCHED_TRIM_SECTIONS; in build_segment_manager()`
/linux-4.1.27/Documentation/filesystems/
D	f2fs.txt	`208 trim_sections This parameter controls the number of sections`