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None of them actually needs the inode, the mount is enough. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Darrick J. Wong <djwong@kernel.org> Signed-off-by: Carlos Maiolino <cem@kernel.org>
70 lines
2 KiB
C
70 lines
2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _XFS_ZONE_ALLOC_H
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#define _XFS_ZONE_ALLOC_H
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struct iomap_ioend;
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struct xfs_open_zone;
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struct xfs_zone_alloc_ctx {
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struct xfs_open_zone *open_zone;
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xfs_filblks_t reserved_blocks;
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};
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/*
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* Grab any available space, even if it is less than what the caller asked for.
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*/
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#define XFS_ZR_GREEDY (1U << 0)
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/*
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* Only grab instantly available space, don't wait or GC.
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*/
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#define XFS_ZR_NOWAIT (1U << 1)
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/*
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* Dip into the reserved pool.
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*/
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#define XFS_ZR_RESERVED (1U << 2)
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int xfs_zoned_space_reserve(struct xfs_mount *mp, xfs_filblks_t count_fsb,
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unsigned int flags, struct xfs_zone_alloc_ctx *ac);
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void xfs_zoned_space_unreserve(struct xfs_mount *mp,
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struct xfs_zone_alloc_ctx *ac);
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void xfs_zoned_add_available(struct xfs_mount *mp, xfs_filblks_t count_fsb);
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void xfs_zone_alloc_and_submit(struct iomap_ioend *ioend,
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struct xfs_open_zone **oz);
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int xfs_zone_free_blocks(struct xfs_trans *tp, struct xfs_rtgroup *rtg,
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xfs_fsblock_t fsbno, xfs_filblks_t len);
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int xfs_zoned_end_io(struct xfs_inode *ip, xfs_off_t offset, xfs_off_t count,
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xfs_daddr_t daddr, struct xfs_open_zone *oz,
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xfs_fsblock_t old_startblock);
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void xfs_open_zone_put(struct xfs_open_zone *oz);
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void xfs_zoned_wake_all(struct xfs_mount *mp);
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bool xfs_zone_rgbno_is_valid(struct xfs_rtgroup *rtg, xfs_rgnumber_t rgbno);
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void xfs_mark_rtg_boundary(struct iomap_ioend *ioend);
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uint64_t xfs_zoned_default_resblks(struct xfs_mount *mp,
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enum xfs_free_counter ctr);
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void xfs_zoned_show_stats(struct seq_file *m, struct xfs_mount *mp);
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#ifdef CONFIG_XFS_RT
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int xfs_mount_zones(struct xfs_mount *mp);
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void xfs_unmount_zones(struct xfs_mount *mp);
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void xfs_zone_gc_start(struct xfs_mount *mp);
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void xfs_zone_gc_stop(struct xfs_mount *mp);
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#else
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static inline int xfs_mount_zones(struct xfs_mount *mp)
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{
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return -EIO;
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}
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static inline void xfs_unmount_zones(struct xfs_mount *mp)
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{
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}
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static inline void xfs_zone_gc_start(struct xfs_mount *mp)
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{
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}
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static inline void xfs_zone_gc_stop(struct xfs_mount *mp)
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{
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}
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#endif /* CONFIG_XFS_RT */
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#endif /* _XFS_ZONE_ALLOC_H */
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