1 // SPDX-License-Identifier: GPL-2.0
3  * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
111 	return ip->i_prev_unlinked != 0;  in xfs_inode_on_unlinked_list()
116 	return ip->i_forkoff > 0;  in xfs_inode_has_attr_fork()
126 		return &ip->i_df;  in xfs_ifork_ptr()
130 		return &ip->i_af;  in xfs_ifork_ptr()
132 		return ip->i_cowfp;  in xfs_ifork_ptr()
141 	return ip->i_forkoff << 3;  in xfs_inode_fork_boff()
149 	return XFS_LITINO(ip->i_mount);  in xfs_inode_data_fork_size()
155 		return XFS_LITINO(ip->i_mount) - xfs_inode_fork_boff(ip);  in xfs_inode_attr_fork_size()
183 	return &ip->i_vnode;  in VFS_I()
189 	return &ip->i_vnode;  in VFS_IC()
193  * For regular files we only update the on-disk filesize when actually
199 	if (S_ISREG(VFS_I(ip)->i_mode))  in XFS_ISIZE()
201 	return ip->i_disk_size;  in XFS_ISIZE()
205  * If this I/O goes past the on-disk inode size update it unless it would
206  * be past the current in-core inode size.
215 	return new_size > ip->i_disk_size ? new_size : 0;  in xfs_new_eof()
224 	ip->i_flags |= flags;  in __xfs_iflags_set()
230 	spin_lock(&ip->i_flags_lock);  in xfs_iflags_set()
232 	spin_unlock(&ip->i_flags_lock);  in xfs_iflags_set()
238 	spin_lock(&ip->i_flags_lock);  in xfs_iflags_clear()
239 	ip->i_flags &= ~flags;  in xfs_iflags_clear()
240 	spin_unlock(&ip->i_flags_lock);  in xfs_iflags_clear()
246 	return (ip->i_flags & flags);  in __xfs_iflags_test()
253 	spin_lock(&ip->i_flags_lock);  in xfs_iflags_test()
255 	spin_unlock(&ip->i_flags_lock);  in xfs_iflags_test()
264 	spin_lock(&ip->i_flags_lock);  in xfs_iflags_test_and_clear()
265 	ret = ip->i_flags & flags;  in xfs_iflags_test_and_clear()
267 		ip->i_flags &= ~flags;  in xfs_iflags_test_and_clear()
268 	spin_unlock(&ip->i_flags_lock);  in xfs_iflags_test_and_clear()
277 	spin_lock(&ip->i_flags_lock);  in xfs_iflags_test_and_set()
278 	ret = ip->i_flags & flags;  in xfs_iflags_test_and_set()
280 		ip->i_flags |= flags;  in xfs_iflags_test_and_set()
281 	spin_unlock(&ip->i_flags_lock);  in xfs_iflags_test_and_set()
287 	return ip->i_diflags2 & XFS_DIFLAG2_REFLINK;  in xfs_is_reflink_inode()
292 	return ip->i_diflags2 & XFS_DIFLAG2_METADATA;  in xfs_is_metadir_inode()
297 	struct xfs_mount	*mp = ip->i_mount;  in xfs_is_internal_inode()
307 	return ip->i_ino == mp->m_sb.sb_rbmino ||  in xfs_is_internal_inode()
308 	       ip->i_ino == mp->m_sb.sb_rsumino ||  in xfs_is_internal_inode()
309 	       xfs_is_quota_inode(&mp->m_sb, ip->i_ino);  in xfs_is_internal_inode()
321 	return ip->i_df.if_nextents > 0 || ip->i_delayed_blks > 0;  in xfs_inode_has_filedata()
330 	return ip->i_cowfp && ip->i_cowfp->if_bytes;  in xfs_inode_has_cow_data()
335 	return ip->i_diflags2 & XFS_DIFLAG2_BIGTIME;  in xfs_inode_has_bigtime()
340 	return ip->i_diflags2 & XFS_DIFLAG2_NREXT64;  in xfs_inode_has_large_extent_counts()
349 	return XFS_IS_REALTIME_INODE(ip) && ip->i_mount->m_sb.sb_rextsize > 1;  in xfs_inode_has_bigrtalloc()
357 		(ip)->i_mount->m_rtdev_targp : (ip)->i_mount->m_ddev_targp)
363 	struct xfs_mount	*mp = ip->i_mount;  in xfs_inode_can_atomicwrite()
366 	if (mp->m_sb.sb_blocksize < target->bt_bdev_awu_min)  in xfs_inode_can_atomicwrite()
368 	if (mp->m_sb.sb_blocksize > target->bt_bdev_awu_max)  in xfs_inode_can_atomicwrite()
375  * In-core inode flags.
382 #define XFS_ITRUNCATED		(1 << 5) /* truncated down so flush-on-close */
383 #define XFS_EOFBLOCKS_RELEASED	(1 << 6) /* eofblocks were freed in ->release */
398  * If we need to update on-disk metadata before this IRECLAIMABLE inode can be
424  * Per-lifetime flags need to be reset when re-using a reclaimable inode during
435  * Bit ranges:	1<<1  - 1<<16-1 -- iolock/ilock modes (bitfield)
436  *		1<<16 - 1<<32-1 -- lockdep annotation (integers)
461  * XFS_LOCK_PARENT - for directory operations that require locking a
462  * parent directory inode and a child entry inode. IOLOCK requires nesting,
463  * MMAPLOCK does not support this class, ILOCK requires a single subclass
466  * XFS_LOCK_RTBITMAP/XFS_LOCK_RTSUM - the realtime device bitmap and summary
470  * XFS_LOCK_INUMORDER - for locking several inodes at the some time
474  * limited to the subclasses we can represent via nesting. We need at least
475  * 5 inodes nest depth for the ILOCK through rename, and we also have to support
479  * This also means we have to number the sub-classes in the lowest bits of
481  * mask and we can't use bit-masking to build the subclasses. What a mess.
486  * 16-19	XFS_IOLOCK_SHIFT dependencies
487  * 20-23	XFS_MMAPLOCK_SHIFT dependencies
488  * 24-31	XFS_ILOCK_SHIFT dependencies
492  * 0-3		subclass value
493  * 4-7		unused
497  * 0-3		subclass value
498  * 4-7		unused
501  * 0-4		subclass values
518 #define XFS_ILOCK_MAX_SUBCLASS		(XFS_ILOCK_PARENT_VAL - 1)
535  * layout-holders do not collide with local writes. Additionally,
537  * layout-holder has a consistent view of the file's extent map. While
539  * BREAK_UNMAP breaks additionally require waiting for busy dax-pages to
548  * For multiple groups support: if S_ISGID bit is set in the parent
553 	(xfs_has_grpid((pip)->i_mount) || (VFS_I(pip)->i_mode & S_ISGID))
587 #define xfs_ipincount(ip)	((unsigned int) atomic_read(&ip->i_pincount))
612 	if (bdev_stable_writes(xfs_inode_buftarg(ip)->bt_bdev))  in xfs_update_stable_writes()
613 		mapping_set_stable_writes(VFS_I(ip)->i_mapping);  in xfs_update_stable_writes()
615 		mapping_clear_stable_writes(VFS_I(ip)->i_mapping);  in xfs_update_stable_writes()
664 	return VFS_IC(ip)->i_nlink == 0 && !xfs_inode_on_unlinked_list(ip);  in xfs_inode_unlinked_incomplete()