fs/gfs2/file.c

60 	struct gfs2_inode *ip = GFS2_I(file->f_mapping->host);
66 		error = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY,
161 	struct gfs2_inode *ip = GFS2_I(inode);
169 	gfs2_holder_init(ip->i_gl, LM_ST_SHARED, 0, &gh);
174 	fsflags = gfs2_gfsflags_to_fsflags(inode, ip->i_diskflags);
186 	struct gfs2_inode *ip = GFS2_I(inode);
190 	if ((ip->i_eattr == 0) && !is_sxid(inode->i_mode))
192 	if (ip->i_diskflags & GFS2_DIF_IMMUTABLE)
194 	if (ip->i_diskflags & GFS2_DIF_APPENDONLY)
196 	if (ip->i_diskflags & GFS2_DIF_NOATIME)
198 	if (ip->i_diskflags & GFS2_DIF_SYNC)
221 	struct gfs2_inode *ip = GFS2_I(inode);
228 	error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
233 	flags = ip->i_diskflags;
245 			gfs2_log_flush(sdp, ip->i_gl,
255 			gfs2_ordered_del_inode(ip);
260 	error = gfs2_meta_inode_buffer(ip, &bh);
264 	gfs2_trans_add_meta(ip->i_gl, bh);
265 	ip->i_diskflags = new_flags;
266 	gfs2_dinode_out(ip, bh->b_data);
370 	struct gfs2_inode *ip = GFS2_I(inode);
374 	if (hint > atomic_read(&ip->i_sizehint))
375 		atomic_set(&ip->i_sizehint, hint);
419 	struct gfs2_inode *ip = GFS2_I(inode);
432 	gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
457 	set_bit(GLF_DIRTY, &ip->i_gl->gl_flags);
458 	set_bit(GIF_SW_PAGED, &ip->i_flags);
465 	if (!gfs2_is_stuffed(ip) &&
466 	    !gfs2_write_alloc_required(ip, pos, length)) {
482 	gfs2_write_calc_reserv(ip, length, &data_blocks, &ind_blocks);
484 	err = gfs2_quota_lock_check(ip, &ap);
489 	err = gfs2_inplace_reserve(ip, &ap);
496 	if (gfs2_is_jdata(ip))
500 		rblocks += gfs2_rg_blocks(ip, data_blocks + ind_blocks);
509 	if (gfs2_is_stuffed(ip)) {
510 		err = gfs2_unstuff_dinode(ip);
536 	gfs2_inplace_release(ip);
538 	gfs2_quota_unlock(ip);
554 	struct gfs2_inode *ip = GFS2_I(inode);
559 	gfs2_holder_init(ip->i_gl, LM_ST_SHARED, 0, &gh);
592 	struct gfs2_inode *ip = GFS2_I(file->f_mapping->host);
595 	    !IS_NOATIME(&ip->i_inode)) {
599 		error = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY,
676 	struct gfs2_inode *ip = GFS2_I(inode);
681 	if (S_ISREG(ip->i_inode.i_mode)) {
682 		error = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY,
707 	struct gfs2_inode *ip = GFS2_I(inode);
713 		if (gfs2_rs_active(&ip->i_res))
714 			gfs2_rs_delete(ip);
715 		gfs2_qa_put(ip);
747 	struct gfs2_inode *ip = GFS2_I(inode);
756 	if (!gfs2_is_jdata(ip))
765 		if (gfs2_is_jdata(ip))
769 		gfs2_ail_flush(ip->i_gl, 1);
814 	struct gfs2_inode *ip = GFS2_I(file->f_mapping->host);
839 	gfs2_holder_init(ip->i_gl, LM_ST_DEFERRED, 0, gh);
878 	struct gfs2_inode *ip = GFS2_I(inode);
902 	gfs2_holder_init(ip->i_gl, LM_ST_DEFERRED, 0, gh);
908 	if (iocb->ki_pos + iov_iter_count(from) > i_size_read(&ip->i_inode))
950 	struct gfs2_inode *ip;
981 	ip = GFS2_I(iocb->ki_filp->f_mapping->host);
982 	gfs2_holder_init(ip->i_gl, LM_ST_SHARED, 0, &gh);
1015 	struct gfs2_inode *ip = GFS2_I(inode);
1036 	gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, gh);
1102 	struct gfs2_inode *ip = GFS2_I(inode);
1109 		ret = gfs2_glock_nq_init(ip->i_gl, LM_ST_SHARED, 0, &gh);
1178 	struct gfs2_inode *ip = GFS2_I(inode);
1183 	error = gfs2_meta_inode_buffer(ip, &dibh);
1187 	gfs2_trans_add_meta(ip->i_gl, dibh);
1189 	if (gfs2_is_stuffed(ip)) {
1190 		error = gfs2_unstuff_dinode(ip);
1220  * @ip:          The inode in question.
1228 static void calc_max_reserv(struct gfs2_inode *ip, loff_t *len,
1233 	const struct gfs2_sbd *sdp = GFS2_SB(&ip->i_inode);
1246 		gfs2_write_calc_reserv(ip, max, data_blocks, ind_blocks);
1254 	struct gfs2_inode *ip = GFS2_I(inode);
1279 	gfs2_write_calc_reserv(ip, PAGE_SIZE, &data_blocks, &ind_blocks);
1285 		if (!gfs2_write_alloc_required(ip, offset, bytes)) {
1301 		gfs2_write_calc_reserv(ip, bytes, &data_blocks, &ind_blocks);
1304 		error = gfs2_quota_lock_check(ip, &ap);
1313 		error = gfs2_inplace_reserve(ip, &ap);
1318 		if (ip->i_res.rs_reserved < max_blks)
1319 			max_blks = ip->i_res.rs_reserved;
1324 		calc_max_reserv(ip, &max_bytes, &data_blocks,
1328 			  RES_RG_HDR + gfs2_rg_blocks(ip, data_blocks + ind_blocks);
1329 		if (gfs2_is_jdata(ip))
1345 		gfs2_inplace_release(ip);
1346 		gfs2_quota_unlock(ip);
1360 	gfs2_inplace_release(ip);
1362 	gfs2_quota_unlock(ip);
1370 	struct gfs2_inode *ip = GFS2_I(inode);
1377 	if (gfs2_is_jdata(ip) && inode != sdp->sd_rindex)
1382 	gfs2_holder_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &gh);
1403 			gfs2_rs_deltree(&ip->i_res);
1440 	struct gfs2_inode *ip = GFS2_I(file->f_mapping->host);
1452 		return dlm_posix_cancel(ls->ls_dlm, ip->i_no_addr, file, fl);
1454 		return dlm_posix_get(ls->ls_dlm, ip->i_no_addr, file, fl);
1456 		return dlm_posix_unlock(ls->ls_dlm, ip->i_no_addr, file, fl);
1458 		return dlm_posix_lock(ls->ls_dlm, ip->i_no_addr, file, cmd, fl);
1480 	struct gfs2_inode *ip = GFS2_I(file_inode(file));
1505 		error = gfs2_glock_get(GFS2_SB(&ip->i_inode), ip->i_no_addr,
1528 		gfs2_assert_warn(GFS2_SB(&ip->i_inode), !error);