1 // SPDX-License-Identifier: GPL-2.0
3  * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
42  * bc->breq->lastino is effectively the inode cursor as we walk through the
46  * out from under us, we just simply keep going.
52  * Note that if the formatter tells us there's no space left in the buffer we
63 	struct user_namespace	*sb_userns = mp->m_super->s_user_ns;  in xfs_bulkstat_one_int()
66 	struct xfs_bulkstat	*buf = bc->buf;  in xfs_bulkstat_one_int()
68 	int			error = -EINVAL;  in xfs_bulkstat_one_int()
78 	if (error == -ENOENT || error == -EINVAL)  in xfs_bulkstat_one_int()
95 	ASSERT(ip->i_imap.im_blkno != 0);  in xfs_bulkstat_one_int()
103 	buf->bs_projectid = ip->i_projid;  in xfs_bulkstat_one_int()
104 	buf->bs_ino = ino;  in xfs_bulkstat_one_int()
105 	buf->bs_uid = from_kuid(sb_userns, vfsuid_into_kuid(vfsuid));  in xfs_bulkstat_one_int()
106 	buf->bs_gid = from_kgid(sb_userns, vfsgid_into_kgid(vfsgid));  in xfs_bulkstat_one_int()
107 	buf->bs_size = ip->i_disk_size;  in xfs_bulkstat_one_int()
109 	buf->bs_nlink = inode->i_nlink;  in xfs_bulkstat_one_int()
110 	buf->bs_atime = inode->i_atime.tv_sec;  in xfs_bulkstat_one_int()
111 	buf->bs_atime_nsec = inode->i_atime.tv_nsec;  in xfs_bulkstat_one_int()
112 	buf->bs_mtime = inode->i_mtime.tv_sec;  in xfs_bulkstat_one_int()
113 	buf->bs_mtime_nsec = inode->i_mtime.tv_nsec;  in xfs_bulkstat_one_int()
114 	buf->bs_ctime = inode_get_ctime(inode).tv_sec;  in xfs_bulkstat_one_int()
115 	buf->bs_ctime_nsec = inode_get_ctime(inode).tv_nsec;  in xfs_bulkstat_one_int()
116 	buf->bs_gen = inode->i_generation;  in xfs_bulkstat_one_int()
117 	buf->bs_mode = inode->i_mode;  in xfs_bulkstat_one_int()
119 	buf->bs_xflags = xfs_ip2xflags(ip);  in xfs_bulkstat_one_int()
120 	buf->bs_extsize_blks = ip->i_extsize;  in xfs_bulkstat_one_int()
122 	nextents = xfs_ifork_nextents(&ip->i_df);  in xfs_bulkstat_one_int()
123 	if (!(bc->breq->flags & XFS_IBULK_NREXT64))  in xfs_bulkstat_one_int()
124 		buf->bs_extents = min(nextents, XFS_MAX_EXTCNT_DATA_FORK_SMALL);  in xfs_bulkstat_one_int()
126 		buf->bs_extents64 = nextents;  in xfs_bulkstat_one_int()
129 	buf->bs_aextents = xfs_ifork_nextents(&ip->i_af);  in xfs_bulkstat_one_int()
130 	buf->bs_forkoff = xfs_inode_fork_boff(ip);  in xfs_bulkstat_one_int()
131 	buf->bs_version = XFS_BULKSTAT_VERSION_V5;  in xfs_bulkstat_one_int()
134 		buf->bs_btime = ip->i_crtime.tv_sec;  in xfs_bulkstat_one_int()
135 		buf->bs_btime_nsec = ip->i_crtime.tv_nsec;  in xfs_bulkstat_one_int()
136 		if (ip->i_diflags2 & XFS_DIFLAG2_COWEXTSIZE)  in xfs_bulkstat_one_int()
137 			buf->bs_cowextsize_blks = ip->i_cowextsize;  in xfs_bulkstat_one_int()
140 	switch (ip->i_df.if_format) {  in xfs_bulkstat_one_int()
142 		buf->bs_rdev = sysv_encode_dev(inode->i_rdev);  in xfs_bulkstat_one_int()
143 		buf->bs_blksize = BLKDEV_IOSIZE;  in xfs_bulkstat_one_int()
144 		buf->bs_blocks = 0;  in xfs_bulkstat_one_int()
147 		buf->bs_rdev = 0;  in xfs_bulkstat_one_int()
148 		buf->bs_blksize = mp->m_sb.sb_blocksize;  in xfs_bulkstat_one_int()
149 		buf->bs_blocks = 0;  in xfs_bulkstat_one_int()
153 		buf->bs_rdev = 0;  in xfs_bulkstat_one_int()
154 		buf->bs_blksize = mp->m_sb.sb_blocksize;  in xfs_bulkstat_one_int()
155 		buf->bs_blocks = ip->i_nblocks + ip->i_delayed_blks;  in xfs_bulkstat_one_int()
161 	error = bc->formatter(bc->breq, buf);  in xfs_bulkstat_one_int()
162 	if (error == -ECANCELED)  in xfs_bulkstat_one_int()
174 	bc->breq->startino = ino + 1;  in xfs_bulkstat_one_int()
192 	if (breq->idmap != &nop_mnt_idmap) {  in xfs_bulkstat_one()
193 		xfs_warn_ratelimited(breq->mp,  in xfs_bulkstat_one()
195 		return -EINVAL;  in xfs_bulkstat_one()
198 	ASSERT(breq->icount == 1);  in xfs_bulkstat_one()
203 		return -ENOMEM;  in xfs_bulkstat_one()
207 	 * locking abilities to detect cycles in the inobt without deadlocking.  in xfs_bulkstat_one()
209 	error = xfs_trans_alloc_empty(breq->mp, &tp);  in xfs_bulkstat_one()
213 	error = xfs_bulkstat_one_int(breq->mp, breq->idmap, tp,  in xfs_bulkstat_one()
214 			breq->startino, &bc);  in xfs_bulkstat_one()
223 	if (error == -ECANCELED)  in xfs_bulkstat_one()
239 	error = xfs_bulkstat_one_int(mp, bc->breq->idmap, tp, ino, data);  in xfs_bulkstat_iwalk()
241 	if (error == -ENOENT || error == -EINVAL)  in xfs_bulkstat_iwalk()
251  * next chunk.  In other words, the magic agino value of zero takes us to the
252  * first chunk in the AG, and an agino value past the end of the AG takes us to
266 	return agno >= mp->m_sb.sb_agcount ||  in xfs_bulkstat_already_done()
270 /* Return stat information in bulk (by-inode) for the filesystem. */
284 	if (breq->idmap != &nop_mnt_idmap) {  in xfs_bulkstat()
285 		xfs_warn_ratelimited(breq->mp,  in xfs_bulkstat()
287 		return -EINVAL;  in xfs_bulkstat()
289 	if (xfs_bulkstat_already_done(breq->mp, breq->startino))  in xfs_bulkstat()
295 		return -ENOMEM;  in xfs_bulkstat()
299 	 * locking abilities to detect cycles in the inobt without deadlocking.  in xfs_bulkstat()
301 	error = xfs_trans_alloc_empty(breq->mp, &tp);  in xfs_bulkstat()
305 	if (breq->flags & XFS_IBULK_SAME_AG)  in xfs_bulkstat()
308 	error = xfs_iwalk(breq->mp, tp, breq->startino, iwalk_flags,  in xfs_bulkstat()
309 			xfs_bulkstat_iwalk, breq->icount, &bc);  in xfs_bulkstat()
321 	if (breq->ocount > 0)  in xfs_bulkstat()
336 	bs1->bs_ino = bstat->bs_ino;  in xfs_bulkstat_to_bstat()
337 	bs1->bs_mode = bstat->bs_mode;  in xfs_bulkstat_to_bstat()
338 	bs1->bs_nlink = bstat->bs_nlink;  in xfs_bulkstat_to_bstat()
339 	bs1->bs_uid = bstat->bs_uid;  in xfs_bulkstat_to_bstat()
340 	bs1->bs_gid = bstat->bs_gid;  in xfs_bulkstat_to_bstat()
341 	bs1->bs_rdev = bstat->bs_rdev;  in xfs_bulkstat_to_bstat()
342 	bs1->bs_blksize = bstat->bs_blksize;  in xfs_bulkstat_to_bstat()
343 	bs1->bs_size = bstat->bs_size;  in xfs_bulkstat_to_bstat()
344 	bs1->bs_atime.tv_sec = bstat->bs_atime;  in xfs_bulkstat_to_bstat()
345 	bs1->bs_mtime.tv_sec = bstat->bs_mtime;  in xfs_bulkstat_to_bstat()
346 	bs1->bs_ctime.tv_sec = bstat->bs_ctime;  in xfs_bulkstat_to_bstat()
347 	bs1->bs_atime.tv_nsec = bstat->bs_atime_nsec;  in xfs_bulkstat_to_bstat()
348 	bs1->bs_mtime.tv_nsec = bstat->bs_mtime_nsec;  in xfs_bulkstat_to_bstat()
349 	bs1->bs_ctime.tv_nsec = bstat->bs_ctime_nsec;  in xfs_bulkstat_to_bstat()
350 	bs1->bs_blocks = bstat->bs_blocks;  in xfs_bulkstat_to_bstat()
351 	bs1->bs_xflags = bstat->bs_xflags;  in xfs_bulkstat_to_bstat()
352 	bs1->bs_extsize = XFS_FSB_TO_B(mp, bstat->bs_extsize_blks);  in xfs_bulkstat_to_bstat()
353 	bs1->bs_extents = bstat->bs_extents;  in xfs_bulkstat_to_bstat()
354 	bs1->bs_gen = bstat->bs_gen;  in xfs_bulkstat_to_bstat()
355 	bs1->bs_projid_lo = bstat->bs_projectid & 0xFFFF;  in xfs_bulkstat_to_bstat()
356 	bs1->bs_forkoff = bstat->bs_forkoff;  in xfs_bulkstat_to_bstat()
357 	bs1->bs_projid_hi = bstat->bs_projectid >> 16;  in xfs_bulkstat_to_bstat()
358 	bs1->bs_sick = bstat->bs_sick;  in xfs_bulkstat_to_bstat()
359 	bs1->bs_checked = bstat->bs_checked;  in xfs_bulkstat_to_bstat()
360 	bs1->bs_cowextsize = XFS_FSB_TO_B(mp, bstat->bs_cowextsize_blks);  in xfs_bulkstat_to_bstat()
361 	bs1->bs_dmevmask = 0;  in xfs_bulkstat_to_bstat()
362 	bs1->bs_dmstate = 0;  in xfs_bulkstat_to_bstat()
363 	bs1->bs_aextents = bstat->bs_aextents;  in xfs_bulkstat_to_bstat()
383  * error.  If the formatter tells us the buffer is now full we also move the
395 		.xi_startino	= XFS_AGINO_TO_INO(mp, agno, irec->ir_startino),  in xfs_inumbers_walk()
396 		.xi_alloccount	= irec->ir_count - irec->ir_freecount,  in xfs_inumbers_walk()
397 		.xi_allocmask	= ~irec->ir_free,  in xfs_inumbers_walk()
403 	error = ic->formatter(ic->breq, &inogrp);  in xfs_inumbers_walk()
404 	if (error && error != -ECANCELED)  in xfs_inumbers_walk()
407 	ic->breq->startino = XFS_AGINO_TO_INO(mp, agno, irec->ir_startino) +  in xfs_inumbers_walk()
427 	if (xfs_bulkstat_already_done(breq->mp, breq->startino))  in xfs_inumbers()
432 	 * locking abilities to detect cycles in the inobt without deadlocking.  in xfs_inumbers()
434 	error = xfs_trans_alloc_empty(breq->mp, &tp);  in xfs_inumbers()
438 	error = xfs_inobt_walk(breq->mp, tp, breq->startino, breq->flags,  in xfs_inumbers()
439 			xfs_inumbers_walk, breq->icount, &ic);  in xfs_inumbers()
450 	if (breq->ocount > 0)  in xfs_inumbers()
464 	ig1->xi_startino = ig->xi_startino;  in xfs_inumbers_to_inogrp()
465 	ig1->xi_alloccount = ig->xi_alloccount;  in xfs_inumbers_to_inogrp()
466 	ig1->xi_allocmask = ig->xi_allocmask;  in xfs_inumbers_to_inogrp()