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50ca857457
Add an ioctl for querying counters, the same ones provided in /sys/fs/bcachefs/<uuid>/counters/, but more suitable for a 'bcachefs top' command. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
20 lines
576 B
C
20 lines
576 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _BCACHEFS_SB_COUNTERS_H
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#define _BCACHEFS_SB_COUNTERS_H
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#include "bcachefs.h"
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#include "super-io.h"
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int bch2_sb_counters_to_cpu(struct bch_fs *);
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int bch2_sb_counters_from_cpu(struct bch_fs *);
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void bch2_fs_counters_exit(struct bch_fs *);
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int bch2_fs_counters_init(struct bch_fs *);
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extern const char * const bch2_counter_names[];
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extern const struct bch_sb_field_ops bch_sb_field_ops_counters;
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long bch2_ioctl_query_counters(struct bch_fs *,
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struct bch_ioctl_query_counters __user *);
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#endif // _BCACHEFS_SB_COUNTERS_H
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