nilfs_scan_dsync_log(9)

💖 nilfs_scan_dsync_log(9) 💖

okay bestie, welcome to the Kernel API Manual — the page is literally named nilfs_scan_dsync_log(9), and it's giving “let me get the block info from a log written for data sync.” no cap, that's the whole vibe. ✨

💖 NAME 💖

nilfs_scan_dsync_log — get block information of a log written for data sync.

✨ SYNOPSIS ✨

int nilfs_scan_dsync_log (struct the_nilfs *nilfs , sector_t
start_blocknr , struct nilfs_segment_summary *sum , struct list_head
*head );

🎀 ARGUMENTS 🎀

• nilfs — the nilfs object, obvi 💅
• start_blocknr — start block number of the log. yes, literally that.
• sum — log summary information.
• head — list head to add nilfs_recovery_block struct. that's the assignment, bestie.

🌸 RETURN 🌸

Returns 0 on success, or one of the following negative error codes on failure:

• -EIO — I/O error. 💀
• -ENOMEM — insufficient memory available. 😭

🫶 SEE ALSO 🫶

Kernel file ./fs/nilfs2/recovery.c, plus these besties: nilfs_compute_checksum(9), nilfs_read_super_root_block(9), nilfs_read_log_header(9), nilfs_validate_log(9), nilfs_read_summary_info(9), nilfs_skip_summary_info(9), nilfs_do_roll_forward(9), nilfs_abort_roll_forward(9), nilfs_salvage_orphan_logs(9), nilfs_search_super_root(9). iykyk 🔥

and that's the vibe check: source/version is ./fs/nilfs2, dated October 2026, and this iconic page is nilfs_scan_dsync_log(9) — periodt, bye bestie! 💜🎀