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-rw-r--r--fs/xfs/xfs_icache.h84
1 files changed, 84 insertions, 0 deletions
diff --git a/fs/xfs/xfs_icache.h b/fs/xfs/xfs_icache.h
new file mode 100644
index 0000000000..905944dafb
--- /dev/null
+++ b/fs/xfs/xfs_icache.h
@@ -0,0 +1,84 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2000-2006 Silicon Graphics, Inc.
+ * All Rights Reserved.
+ */
+#ifndef XFS_SYNC_H
+#define XFS_SYNC_H 1
+
+struct xfs_mount;
+struct xfs_perag;
+
+struct xfs_icwalk {
+ __u32 icw_flags;
+ kuid_t icw_uid;
+ kgid_t icw_gid;
+ prid_t icw_prid;
+ __u64 icw_min_file_size;
+ long icw_scan_limit;
+};
+
+/* Flags that reflect xfs_fs_eofblocks functionality. */
+#define XFS_ICWALK_FLAG_SYNC (1U << 0) /* sync/wait mode scan */
+#define XFS_ICWALK_FLAG_UID (1U << 1) /* filter by uid */
+#define XFS_ICWALK_FLAG_GID (1U << 2) /* filter by gid */
+#define XFS_ICWALK_FLAG_PRID (1U << 3) /* filter by project id */
+#define XFS_ICWALK_FLAG_MINFILESIZE (1U << 4) /* filter by min file size */
+
+#define XFS_ICWALK_FLAGS_VALID (XFS_ICWALK_FLAG_SYNC | \
+ XFS_ICWALK_FLAG_UID | \
+ XFS_ICWALK_FLAG_GID | \
+ XFS_ICWALK_FLAG_PRID | \
+ XFS_ICWALK_FLAG_MINFILESIZE)
+
+/*
+ * Flags for xfs_iget()
+ */
+#define XFS_IGET_CREATE (1U << 0)
+#define XFS_IGET_UNTRUSTED (1U << 1)
+#define XFS_IGET_DONTCACHE (1U << 2)
+/* don't read from disk or reinit */
+#define XFS_IGET_INCORE (1U << 3)
+/* Return -EAGAIN immediately if the inode is unavailable. */
+#define XFS_IGET_NORETRY (1U << 4)
+
+int xfs_iget(struct xfs_mount *mp, struct xfs_trans *tp, xfs_ino_t ino,
+ uint flags, uint lock_flags, xfs_inode_t **ipp);
+
+/* recovery needs direct inode allocation capability */
+struct xfs_inode * xfs_inode_alloc(struct xfs_mount *mp, xfs_ino_t ino);
+void xfs_inode_free(struct xfs_inode *ip);
+
+void xfs_reclaim_worker(struct work_struct *work);
+
+void xfs_reclaim_inodes(struct xfs_mount *mp);
+long xfs_reclaim_inodes_count(struct xfs_mount *mp);
+long xfs_reclaim_inodes_nr(struct xfs_mount *mp, unsigned long nr_to_scan);
+
+void xfs_inode_mark_reclaimable(struct xfs_inode *ip);
+
+int xfs_blockgc_free_dquots(struct xfs_mount *mp, struct xfs_dquot *udqp,
+ struct xfs_dquot *gdqp, struct xfs_dquot *pdqp,
+ unsigned int iwalk_flags);
+int xfs_blockgc_free_quota(struct xfs_inode *ip, unsigned int iwalk_flags);
+int xfs_blockgc_free_space(struct xfs_mount *mp, struct xfs_icwalk *icm);
+int xfs_blockgc_flush_all(struct xfs_mount *mp);
+
+void xfs_inode_set_eofblocks_tag(struct xfs_inode *ip);
+void xfs_inode_clear_eofblocks_tag(struct xfs_inode *ip);
+
+void xfs_inode_set_cowblocks_tag(struct xfs_inode *ip);
+void xfs_inode_clear_cowblocks_tag(struct xfs_inode *ip);
+
+void xfs_blockgc_worker(struct work_struct *work);
+void xfs_blockgc_stop(struct xfs_mount *mp);
+void xfs_blockgc_start(struct xfs_mount *mp);
+
+void xfs_inodegc_worker(struct work_struct *work);
+void xfs_inodegc_push(struct xfs_mount *mp);
+int xfs_inodegc_flush(struct xfs_mount *mp);
+void xfs_inodegc_stop(struct xfs_mount *mp);
+void xfs_inodegc_start(struct xfs_mount *mp);
+int xfs_inodegc_register_shrinker(struct xfs_mount *mp);
+
+#endif