[thirdparty/xfsprogs-dev.git] / scrub / xfs_scrub.h

// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2018 Oracle.  All Rights Reserved.
 * Author: Darrick J. Wong <darrick.wong@oracle.com>
 */
#ifndef XFS_SCRUB_XFS_SCRUB_H_
#define XFS_SCRUB_XFS_SCRUB_H_

#include "libfrog/fsgeom.h"

extern char *progname;

#define _PATH_PROC_MOUNTS	"/proc/mounts"

extern unsigned int		force_nr_threads;
extern unsigned int		bg_mode;
extern unsigned int		debug;
extern bool			verbose;
extern long			page_size;
extern bool			want_fstrim;
extern bool			stderr_isatty;
extern bool			stdout_isatty;
extern bool			is_service;

enum scrub_mode {
	SCRUB_MODE_DRY_RUN,
	SCRUB_MODE_REPAIR,
};

enum error_action {
	ERRORS_CONTINUE,
	ERRORS_SHUTDOWN,
};

struct scrub_ctx {
	/* Immutable scrub state. */

	/* Strings we need for presentation */
	char			*mntpoint;

	/* Mountpoint info */
	struct stat		mnt_sb;
	struct statvfs		mnt_sv;
	struct statfs		mnt_sf;

	/* Open block devices */
	struct disk		*datadev;
	struct disk		*logdev;
	struct disk		*rtdev;

	/* What does the user want us to do? */
	enum scrub_mode		mode;

	/* How does the user want us to react to errors? */
	enum error_action	error_action;

	/* xfrog context for the mount point */
	struct xfs_fd		mnt;

	/* Number of threads for metadata scrubbing */
	unsigned int		nr_io_threads;

	/* XFS specific geometry */
	struct fs_path		fsinfo;
	void			*fshandle;
	size_t			fshandle_len;

	/* Data block read verification buffer */
	void			*readbuf;

	/* Mutable scrub state; use lock. */
	pthread_mutex_t		lock;
	struct action_list	*action_lists;
	unsigned long long	max_errors;
	unsigned long long	runtime_errors;
	unsigned long long	corruptions_found;
	unsigned long long	unfixable_errors;
	unsigned long long	warnings_found;
	unsigned long long	inodes_checked;
	unsigned long long	bytes_checked;
	unsigned long long	naming_warnings;
	unsigned long long	repairs;
	unsigned long long	preens;
	bool			scrub_setup_succeeded;
	bool			preen_triggers[XFS_SCRUB_TYPE_NR];
};

/* Phase helper functions */
void xfs_shutdown_fs(struct scrub_ctx *ctx);
int scrub_cleanup(struct scrub_ctx *ctx);
int phase1_func(struct scrub_ctx *ctx);
int phase2_func(struct scrub_ctx *ctx);
int phase3_func(struct scrub_ctx *ctx);
int phase4_func(struct scrub_ctx *ctx);
int phase5_func(struct scrub_ctx *ctx);
int phase6_func(struct scrub_ctx *ctx);
int phase7_func(struct scrub_ctx *ctx);

/* Progress estimator functions */
unsigned int scrub_estimate_ag_work(struct scrub_ctx *ctx);
int phase2_estimate(struct scrub_ctx *ctx, uint64_t *items,
		    unsigned int *nr_threads, int *rshift);
int phase3_estimate(struct scrub_ctx *ctx, uint64_t *items,
		    unsigned int *nr_threads, int *rshift);
int phase4_estimate(struct scrub_ctx *ctx, uint64_t *items,
		    unsigned int *nr_threads, int *rshift);
int phase5_estimate(struct scrub_ctx *ctx, uint64_t *items,
		    unsigned int *nr_threads, int *rshift);
int phase6_estimate(struct scrub_ctx *ctx, uint64_t *items,
		    unsigned int *nr_threads, int *rshift);

#endif /* XFS_SCRUB_XFS_SCRUB_H_ */
Commit	Line	Data
	1	// SPDX-License-Identifier: GPL-2.0+
	2	/*
	3	* Copyright (C) 2018 Oracle. All Rights Reserved.
	4	* Author: Darrick J. Wong <darrick.wong@oracle.com>
	5	*/
	6	#ifndef XFS_SCRUB_XFS_SCRUB_H_
	7	#define XFS_SCRUB_XFS_SCRUB_H_
	8
	9	#include "libfrog/fsgeom.h"
	10
	11	extern char *progname;
	12
	13	#define _PATH_PROC_MOUNTS "/proc/mounts"
	14
	15	extern unsigned int force_nr_threads;
	16	extern unsigned int bg_mode;
	17	extern unsigned int debug;
	18	extern bool verbose;
	19	extern long page_size;
	20	extern bool want_fstrim;
	21	extern bool stderr_isatty;
	22	extern bool stdout_isatty;
	23	extern bool is_service;
	24
	25	enum scrub_mode {
	26	SCRUB_MODE_DRY_RUN,
	27	SCRUB_MODE_REPAIR,
	28	};
	29
	30	enum error_action {
	31	ERRORS_CONTINUE,
	32	ERRORS_SHUTDOWN,
	33	};
	34
	35	struct scrub_ctx {
	36	/* Immutable scrub state. */
	37
	38	/* Strings we need for presentation */
	39	char *mntpoint;
	40
	41	/* Mountpoint info */
	42	struct stat mnt_sb;
	43	struct statvfs mnt_sv;
	44	struct statfs mnt_sf;
	45
	46	/* Open block devices */
	47	struct disk *datadev;
	48	struct disk *logdev;
	49	struct disk *rtdev;
	50
	51	/* What does the user want us to do? */
	52	enum scrub_mode mode;
	53
	54	/* How does the user want us to react to errors? */
	55	enum error_action error_action;
	56
	57	/* xfrog context for the mount point */
	58	struct xfs_fd mnt;
	59
	60	/* Number of threads for metadata scrubbing */
	61	unsigned int nr_io_threads;
	62
	63	/* XFS specific geometry */
	64	struct fs_path fsinfo;
	65	void *fshandle;
	66	size_t fshandle_len;
	67
	68	/* Data block read verification buffer */
	69	void *readbuf;
	70
	71	/* Mutable scrub state; use lock. */
	72	pthread_mutex_t lock;
	73	struct action_list *action_lists;
	74	unsigned long long max_errors;
	75	unsigned long long runtime_errors;
	76	unsigned long long corruptions_found;
	77	unsigned long long unfixable_errors;
	78	unsigned long long warnings_found;
	79	unsigned long long inodes_checked;
	80	unsigned long long bytes_checked;
	81	unsigned long long naming_warnings;
	82	unsigned long long repairs;
	83	unsigned long long preens;
	84	bool scrub_setup_succeeded;
	85	bool preen_triggers[XFS_SCRUB_TYPE_NR];
	86	};
	87
	88	/* Phase helper functions */
	89	void xfs_shutdown_fs(struct scrub_ctx *ctx);
	90	int scrub_cleanup(struct scrub_ctx *ctx);
	91	int phase1_func(struct scrub_ctx *ctx);
	92	int phase2_func(struct scrub_ctx *ctx);
	93	int phase3_func(struct scrub_ctx *ctx);
	94	int phase4_func(struct scrub_ctx *ctx);
	95	int phase5_func(struct scrub_ctx *ctx);
	96	int phase6_func(struct scrub_ctx *ctx);
	97	int phase7_func(struct scrub_ctx *ctx);
	98
	99	/* Progress estimator functions */
	100	unsigned int scrub_estimate_ag_work(struct scrub_ctx *ctx);
	101	int phase2_estimate(struct scrub_ctx ctx, uint64_t items,
	102	unsigned int nr_threads, int rshift);
	103	int phase3_estimate(struct scrub_ctx ctx, uint64_t items,
	104	unsigned int nr_threads, int rshift);
	105	int phase4_estimate(struct scrub_ctx ctx, uint64_t items,
	106	unsigned int nr_threads, int rshift);
	107	int phase5_estimate(struct scrub_ctx ctx, uint64_t items,
	108	unsigned int nr_threads, int rshift);
	109	int phase6_estimate(struct scrub_ctx ctx, uint64_t items,
	110	unsigned int nr_threads, int rshift);
	111
	112	#endif /* XFS_SCRUB_XFS_SCRUB_H_ */