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Diffstat (limited to '')
-rw-r--r-- | fs/xfs/xfs_itable.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/fs/xfs/xfs_itable.h b/fs/xfs/xfs_itable.h new file mode 100644 index 000000000..8a822285b --- /dev/null +++ b/fs/xfs/xfs_itable.h @@ -0,0 +1,87 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2000-2001 Silicon Graphics, Inc. All Rights Reserved. + */ +#ifndef __XFS_ITABLE_H__ +#define __XFS_ITABLE_H__ + +/* + * xfs_bulkstat() is used to fill in xfs_bstat structures as well as dm_stat + * structures (by the dmi library). This is a pointer to a formatter function + * that will iget the inode and fill in the appropriate structure. + * see xfs_bulkstat_one() and xfs_dm_bulkstat_one() in dmapi_xfs.c + */ +typedef int (*bulkstat_one_pf)(struct xfs_mount *mp, + xfs_ino_t ino, + void __user *buffer, + int ubsize, + int *ubused, + int *stat); + +/* + * Values for stat return value. + */ +#define BULKSTAT_RV_NOTHING 0 +#define BULKSTAT_RV_DIDONE 1 +#define BULKSTAT_RV_GIVEUP 2 + +/* + * Return stat information in bulk (by-inode) for the filesystem. + */ +int /* error status */ +xfs_bulkstat( + xfs_mount_t *mp, /* mount point for filesystem */ + xfs_ino_t *lastino, /* last inode returned */ + int *count, /* size of buffer/count returned */ + bulkstat_one_pf formatter, /* func that'd fill a single buf */ + size_t statstruct_size,/* sizeof struct that we're filling */ + char __user *ubuffer,/* buffer with inode stats */ + int *done); /* 1 if there are more stats to get */ + +typedef int (*bulkstat_one_fmt_pf)( /* used size in bytes or negative error */ + void __user *ubuffer, /* buffer to write to */ + int ubsize, /* remaining user buffer sz */ + int *ubused, /* bytes used by formatter */ + const xfs_bstat_t *buffer); /* buffer to read from */ + +int +xfs_bulkstat_one_int( + xfs_mount_t *mp, + xfs_ino_t ino, + void __user *buffer, + int ubsize, + bulkstat_one_fmt_pf formatter, + int *ubused, + int *stat); + +int +xfs_bulkstat_one( + xfs_mount_t *mp, + xfs_ino_t ino, + void __user *buffer, + int ubsize, + int *ubused, + int *stat); + +typedef int (*inumbers_fmt_pf)( + void __user *ubuffer, /* buffer to write to */ + const xfs_inogrp_t *buffer, /* buffer to read from */ + long count, /* # of elements to read */ + long *written); /* # of bytes written */ + +int +xfs_inumbers_fmt( + void __user *ubuffer, /* buffer to write to */ + const xfs_inogrp_t *buffer, /* buffer to read from */ + long count, /* # of elements to read */ + long *written); /* # of bytes written */ + +int /* error status */ +xfs_inumbers( + xfs_mount_t *mp, /* mount point for filesystem */ + xfs_ino_t *last, /* last inode returned */ + int *count, /* size of buffer/count returned */ + void __user *buffer, /* buffer with inode info */ + inumbers_fmt_pf formatter); + +#endif /* __XFS_ITABLE_H__ */ |