ioctl.c (9f30a04d768f64280dc0c40b730746e82f298d88) ioctl.c (e2b911c53584a92266943f3b7f2cdbc19c1a4e80)
1/*
2 * linux/fs/ext4/ioctl.c
3 *
4 * Copyright (C) 1993, 1994, 1995
5 * Remy Card (card@masi.ibp.fr)
6 * Laboratoire MASI - Institut Blaise Pascal
7 * Universite Pierre et Marie Curie (Paris VI)
8 */

--- 131 unchanged lines hidden (view full) ---

140 set_nlink(inode_bl, 1);
141 i_uid_write(inode_bl, 0);
142 i_gid_write(inode_bl, 0);
143 inode_bl->i_flags = 0;
144 ei_bl->i_flags = 0;
145 inode_bl->i_version = 1;
146 i_size_write(inode_bl, 0);
147 inode_bl->i_mode = S_IFREG;
1/*
2 * linux/fs/ext4/ioctl.c
3 *
4 * Copyright (C) 1993, 1994, 1995
5 * Remy Card (card@masi.ibp.fr)
6 * Laboratoire MASI - Institut Blaise Pascal
7 * Universite Pierre et Marie Curie (Paris VI)
8 */

--- 131 unchanged lines hidden (view full) ---

140 set_nlink(inode_bl, 1);
141 i_uid_write(inode_bl, 0);
142 i_gid_write(inode_bl, 0);
143 inode_bl->i_flags = 0;
144 ei_bl->i_flags = 0;
145 inode_bl->i_version = 1;
146 i_size_write(inode_bl, 0);
147 inode_bl->i_mode = S_IFREG;
148 if (EXT4_HAS_INCOMPAT_FEATURE(sb,
149 EXT4_FEATURE_INCOMPAT_EXTENTS)) {
148 if (ext4_has_feature_extents(sb)) {
150 ext4_set_inode_flag(inode_bl, EXT4_INODE_EXTENTS);
151 ext4_ext_tree_init(handle, inode_bl);
152 } else
153 memset(ei_bl->i_data, 0, sizeof(ei_bl->i_data));
154 }
155
156 swap_inode_data(inode, inode_bl);
157

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378 if (err)
379 return err;
380
381 if (get_user(n_blocks_count, (__u32 __user *)arg)) {
382 err = -EFAULT;
383 goto group_extend_out;
384 }
385
149 ext4_set_inode_flag(inode_bl, EXT4_INODE_EXTENTS);
150 ext4_ext_tree_init(handle, inode_bl);
151 } else
152 memset(ei_bl->i_data, 0, sizeof(ei_bl->i_data));
153 }
154
155 swap_inode_data(inode, inode_bl);
156

--- 220 unchanged lines hidden (view full) ---

377 if (err)
378 return err;
379
380 if (get_user(n_blocks_count, (__u32 __user *)arg)) {
381 err = -EFAULT;
382 goto group_extend_out;
383 }
384
386 if (EXT4_HAS_RO_COMPAT_FEATURE(sb,
387 EXT4_FEATURE_RO_COMPAT_BIGALLOC)) {
385 if (ext4_has_feature_bigalloc(sb)) {
388 ext4_msg(sb, KERN_ERR,
389 "Online resizing not supported with bigalloc");
390 err = -EOPNOTSUPP;
391 goto group_extend_out;
392 }
393
394 err = mnt_want_write_file(filp);
395 if (err)

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427 if (!donor.file)
428 return -EBADF;
429
430 if (!(donor.file->f_mode & FMODE_WRITE)) {
431 err = -EBADF;
432 goto mext_out;
433 }
434
386 ext4_msg(sb, KERN_ERR,
387 "Online resizing not supported with bigalloc");
388 err = -EOPNOTSUPP;
389 goto group_extend_out;
390 }
391
392 err = mnt_want_write_file(filp);
393 if (err)

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425 if (!donor.file)
426 return -EBADF;
427
428 if (!(donor.file->f_mode & FMODE_WRITE)) {
429 err = -EBADF;
430 goto mext_out;
431 }
432
435 if (EXT4_HAS_RO_COMPAT_FEATURE(sb,
436 EXT4_FEATURE_RO_COMPAT_BIGALLOC)) {
433 if (ext4_has_feature_bigalloc(sb)) {
437 ext4_msg(sb, KERN_ERR,
438 "Online defrag not supported with bigalloc");
439 err = -EOPNOTSUPP;
440 goto mext_out;
441 }
442
443 err = mnt_want_write_file(filp);
444 if (err)

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465 return err;
466
467 if (copy_from_user(&input, (struct ext4_new_group_input __user *)arg,
468 sizeof(input))) {
469 err = -EFAULT;
470 goto group_add_out;
471 }
472
434 ext4_msg(sb, KERN_ERR,
435 "Online defrag not supported with bigalloc");
436 err = -EOPNOTSUPP;
437 goto mext_out;
438 }
439
440 err = mnt_want_write_file(filp);
441 if (err)

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462 return err;
463
464 if (copy_from_user(&input, (struct ext4_new_group_input __user *)arg,
465 sizeof(input))) {
466 err = -EFAULT;
467 goto group_add_out;
468 }
469
473 if (EXT4_HAS_RO_COMPAT_FEATURE(sb,
474 EXT4_FEATURE_RO_COMPAT_BIGALLOC)) {
470 if (ext4_has_feature_bigalloc(sb)) {
475 ext4_msg(sb, KERN_ERR,
476 "Online resizing not supported with bigalloc");
477 err = -EOPNOTSUPP;
478 goto group_add_out;
479 }
480
481 err = mnt_want_write_file(filp);
482 if (err)

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548 return err;
549 }
550
551 case EXT4_IOC_RESIZE_FS: {
552 ext4_fsblk_t n_blocks_count;
553 int err = 0, err2 = 0;
554 ext4_group_t o_group = EXT4_SB(sb)->s_groups_count;
555
471 ext4_msg(sb, KERN_ERR,
472 "Online resizing not supported with bigalloc");
473 err = -EOPNOTSUPP;
474 goto group_add_out;
475 }
476
477 err = mnt_want_write_file(filp);
478 if (err)

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544 return err;
545 }
546
547 case EXT4_IOC_RESIZE_FS: {
548 ext4_fsblk_t n_blocks_count;
549 int err = 0, err2 = 0;
550 ext4_group_t o_group = EXT4_SB(sb)->s_groups_count;
551
556 if (EXT4_HAS_RO_COMPAT_FEATURE(sb,
557 EXT4_FEATURE_RO_COMPAT_BIGALLOC)) {
552 if (ext4_has_feature_bigalloc(sb)) {
558 ext4_msg(sb, KERN_ERR,
559 "Online resizing not (yet) supported with bigalloc");
560 return -EOPNOTSUPP;
561 }
562
563 if (copy_from_user(&n_blocks_count, (__u64 __user *)arg,
564 sizeof(__u64))) {
565 return -EFAULT;

--- 204 unchanged lines hidden --- 		553 ext4_msg(sb, KERN_ERR,
554 "Online resizing not (yet) supported with bigalloc");
555 return -EOPNOTSUPP;
556 }
557
558 if (copy_from_user(&n_blocks_count, (__u64 __user *)arg,
559 sizeof(__u64))) {
560 return -EFAULT;

--- 204 unchanged lines hidden ---