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Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _BCACHEFS_REBALANCE_H
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#define _BCACHEFS_REBALANCE_H
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#include "compress.h"
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#include "disk_groups.h"
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#include "opts.h"
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#include "rebalance_types.h"
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static inline struct bch_extent_rebalance io_opts_to_rebalance_opts(struct bch_fs *c,
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struct bch_io_opts *opts)
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{
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struct bch_extent_rebalance r = {
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.type = BIT(BCH_EXTENT_ENTRY_rebalance),
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#define x(_name) \
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._name = opts->_name, \
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._name##_from_inode = opts->_name##_from_inode,
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BCH_REBALANCE_OPTS()
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#undef x
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};
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if (r.background_target &&
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!bch2_target_accepts_data(c, BCH_DATA_user, r.background_target))
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r.background_target = 0;
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return r;
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};
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u64 bch2_bkey_sectors_need_rebalance(struct bch_fs *, struct bkey_s_c);
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int bch2_bkey_set_needs_rebalance(struct bch_fs *, struct bch_io_opts *, struct bkey_i *);
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int bch2_get_update_rebalance_opts(struct btree_trans *,
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struct bch_io_opts *,
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struct btree_iter *,
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struct bkey_s_c);
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int bch2_set_rebalance_needs_scan_trans(struct btree_trans *, u64);
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int bch2_set_rebalance_needs_scan(struct bch_fs *, u64 inum);
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int bch2_set_fs_needs_rebalance(struct bch_fs *);
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static inline void bch2_rebalance_wakeup(struct bch_fs *c)
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{
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c->rebalance.kick++;
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guard(rcu)();
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struct task_struct *p = rcu_dereference(c->rebalance.thread);
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if (p)
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wake_up_process(p);
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}
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void bch2_rebalance_status_to_text(struct printbuf *, struct bch_fs *);
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void bch2_rebalance_stop(struct bch_fs *);
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int bch2_rebalance_start(struct bch_fs *);
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void bch2_fs_rebalance_exit(struct bch_fs *);
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int bch2_fs_rebalance_init(struct bch_fs *);
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int bch2_check_rebalance_work(struct bch_fs *);
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#endif /* _BCACHEFS_REBALANCE_H */
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