linux/fs/bcachefs/movinggc.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _BCACHEFS_MOVINGGC_H
#define _BCACHEFS_MOVINGGC_H

u64 bch2_copygc_wait_amount(struct bch_fs *);
void bch2_copygc_wait_to_text(struct printbuf *, struct bch_fs *);

static inline void bch2_copygc_wakeup(struct bch_fs *c)
{
	guard(rcu)();
	struct task_struct *p = rcu_dereference(c->copygc_thread);
	if (p)
		wake_up_process(p);
}

void bch2_copygc_stop(struct bch_fs *);
int bch2_copygc_start(struct bch_fs *);
void bch2_fs_copygc_init(struct bch_fs *);

#endif /* _BCACHEFS_MOVINGGC_H */
bcachefs: Initial commit Initially forked from drivers/md/bcache, bcachefs is a new copy-on-write filesystem with every feature you could possibly want. Website: https://bcachefs.org Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> 2017-03-16 22:18:50 -08:00			`/* SPDX-License-Identifier: GPL-2.0 */`
			`#ifndef _BCACHEFS_MOVINGGC_H`
			`#define _BCACHEFS_MOVINGGC_H`

bcachefs: bch2_copygc_dev_wait_amount() Factor out the per-device calculations, for better introspection. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> 2025-05-08 14:24:12 -04:00			`u64 bch2_copygc_wait_amount(struct bch_fs *);`
bcachefs: bch2_copygc_wait_to_text() Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> 2023-03-01 23:10:39 -05:00			`void bch2_copygc_wait_to_text(struct printbuf , struct bch_fs );`

bcachefs: bch2_copygc_wakeup() Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> 2025-04-15 10:26:05 -04:00			`static inline void bch2_copygc_wakeup(struct bch_fs *c)`
			`{`
bcachefs: Replace rcu_read_lock() with guards The new guard(), scoped_guard() allow for more natural code. Some of the uses with creative flow control have been left. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> 2025-05-24 16:33:39 -04:00			`guard(rcu)();`
bcachefs: bch2_copygc_wakeup() Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> 2025-04-15 10:26:05 -04:00			`struct task_struct *p = rcu_dereference(c->copygc_thread);`
			`if (p)`
			`wake_up_process(p);`
			`}`

bcachefs: Make copygc thread global Per device copygc threads don't move data to different devices and they make fragmentation works - they don't make much sense anymore. Signed-off-by: Kent Overstreet <kent.overstreet@gmail.com> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> 2020-07-11 16:28:54 -04:00			`void bch2_copygc_stop(struct bch_fs *);`
			`int bch2_copygc_start(struct bch_fs *);`
			`void bch2_fs_copygc_init(struct bch_fs *);`
bcachefs: Initial commit Initially forked from drivers/md/bcache, bcachefs is a new copy-on-write filesystem with every feature you could possibly want. Website: https://bcachefs.org Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> 2017-03-16 22:18:50 -08:00
			`#endif /* _BCACHEFS_MOVINGGC_H */`