fs/xfs/xfs_symlink.c

31 	struct xfs_inode	*ip,
34 	struct xfs_mount	*mp = ip->i_mount;
38 	trace_xfs_readlink(ip);
42 	if (xfs_ifork_zapped(ip, XFS_DATA_FORK))
45 	xfs_ilock(ip, XFS_ILOCK_SHARED);
47 	pathlen = ip->i_disk_size;
53 			 __func__, (unsigned long long) ip->i_ino,
59 	if (ip->i_df.if_format == XFS_DINODE_FMT_LOCAL) {
64 		if (XFS_IS_CORRUPT(ip->i_mount, !ip->i_df.if_data))
67 		memcpy(link, ip->i_df.if_data, pathlen + 1);
70 		error = xfs_symlink_remote_read(ip, link);
73 	xfs_iunlock(ip, XFS_ILOCK_SHARED);
76 	xfs_iunlock(ip, XFS_ILOCK_SHARED);
77 	xfs_inode_mark_sick(ip, XFS_SICK_INO_SYMLINK);
92 	struct xfs_inode	*ip = NULL;
164 				false, &ip);
181 	xfs_qm_vop_create_dqattach(tp, ip, udqp, gdqp, pdqp);
184 	error = xfs_symlink_write_target(tp, ip, target_path, pathlen,
189 	i_size_write(VFS_I(ip), ip->i_disk_size);
194 	error = xfs_dir_createname(tp, dp, link_name, ip->i_ino, resblks);
199 	xfs_dir_update_hook(dp, ip, 1, link_name);
217 	*ipp = ip;
228 	if (ip) {
229 		xfs_finish_inode_setup(ip);
230 		xfs_irele(ip);
253 	struct xfs_inode *ip)
265 	mp = ip->i_mount;
266 	ASSERT(!xfs_need_iread_extents(&ip->i_df));
274 	ASSERT(ip->i_df.if_nextents > 0 && ip->i_df.if_nextents <= 2);
280 	xfs_ilock(ip, XFS_ILOCK_EXCL);
281 	xfs_trans_ijoin(tp, ip, 0);
289 	size = (int)ip->i_disk_size;
290 	ip->i_disk_size = 0;
291 	VFS_I(ip)->i_mode = (VFS_I(ip)->i_mode & ~S_IFMT) | S_IFREG;
292 	xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
298 	error = xfs_bmapi_read(ip, 0, xfs_symlink_blocks(mp, size),
317 	error = xfs_bunmapi(tp, ip, 0, size, 0, nmaps, &done);
326 	xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
336 	if (ip->i_df.if_bytes)
337 		xfs_idata_realloc(ip, -ip->i_df.if_bytes, XFS_DATA_FORK);
338 	ASSERT(ip->i_df.if_bytes == 0);
340 	xfs_iunlock(ip, XFS_ILOCK_EXCL);
346 	xfs_iunlock(ip, XFS_ILOCK_EXCL);
355 	struct xfs_inode	*ip)
357 	struct xfs_mount	*mp = ip->i_mount;
360 	trace_xfs_inactive_symlink(ip);
365 	xfs_ilock(ip, XFS_ILOCK_EXCL);
366 	pathlen = (int)ip->i_disk_size;
371 			 __func__, (unsigned long long)ip->i_ino, pathlen);
372 		xfs_iunlock(ip, XFS_ILOCK_EXCL);
374 		xfs_inode_mark_sick(ip, XFS_SICK_INO_SYMLINK);
382 	if (ip->i_df.if_format == XFS_DINODE_FMT_LOCAL) {
383 		xfs_iunlock(ip, XFS_ILOCK_EXCL);
387 	xfs_iunlock(ip, XFS_ILOCK_EXCL);
390 	return xfs_inactive_symlink_rmt(ip);