purge.c File Reference

Implements the purge command for the BSFS filesystem. More...

Classes
struct	rec_item_t
	Internal item wrapper used during Recovery GC traversals. More...

Functions
int	purge (FILE *disk, superblock_t *sb, char **args)
	BSFS browser command: purge Recovery snapshots to reclaim space.

Detailed Description

Implements the purge command for the BSFS filesystem.

Allows users to reclaim space by removing Recovery snapshots:

• purge -> remove entries older than ~30 days
• purge <id> -> remove a specific snapshot by Recovery ID
• purge oldest <count> -> remove the <count> oldest snapshots

Function Documentation

purge()

int purge	(	FILE *	disk,
		superblock_t *	sb,
		char **	args )

BSFS browser command: purge Recovery snapshots to reclaim space.

Usage:

• purge -> remove entries older than ~30 days
• purge <id> -> remove a specific snapshot by Recovery ID
• purge oldest <count> -> remove the <count> oldest snapshots

Parameters

disk	Open filesystem image.
sb	Loaded superblock.
args	Tokenized arguments per usage above.

Returns

Always 1 to continue the browser loop.