diff options
Diffstat (limited to 'fs/ioctl.c')
| -rw-r--r-- | fs/ioctl.c | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/fs/ioctl.c b/fs/ioctl.c index e92fdbb3bc3a..d6cc16476620 100644 --- a/fs/ioctl.c +++ b/fs/ioctl.c | |||
| @@ -6,7 +6,6 @@ | |||
| 6 | 6 | ||
| 7 | #include <linux/syscalls.h> | 7 | #include <linux/syscalls.h> |
| 8 | #include <linux/mm.h> | 8 | #include <linux/mm.h> |
| 9 | #include <linux/smp_lock.h> | ||
| 10 | #include <linux/capability.h> | 9 | #include <linux/capability.h> |
| 11 | #include <linux/file.h> | 10 | #include <linux/file.h> |
| 12 | #include <linux/fs.h> | 11 | #include <linux/fs.h> |
| @@ -530,41 +529,6 @@ static int ioctl_fsthaw(struct file *filp) | |||
| 530 | return thaw_super(sb); | 529 | return thaw_super(sb); |
| 531 | } | 530 | } |
| 532 | 531 | ||
| 533 | static int ioctl_fstrim(struct file *filp, void __user *argp) | ||
| 534 | { | ||
| 535 | struct super_block *sb = filp->f_path.dentry->d_inode->i_sb; | ||
| 536 | struct fstrim_range range; | ||
| 537 | int ret = 0; | ||
| 538 | |||
| 539 | if (!capable(CAP_SYS_ADMIN)) | ||
| 540 | return -EPERM; | ||
| 541 | |||
| 542 | /* If filesystem doesn't support trim feature, return. */ | ||
| 543 | if (sb->s_op->trim_fs == NULL) | ||
| 544 | return -EOPNOTSUPP; | ||
| 545 | |||
| 546 | /* If a blockdevice-backed filesystem isn't specified, return EINVAL. */ | ||
| 547 | if (sb->s_bdev == NULL) | ||
| 548 | return -EINVAL; | ||
| 549 | |||
| 550 | if (argp == NULL) { | ||
| 551 | range.start = 0; | ||
| 552 | range.len = ULLONG_MAX; | ||
| 553 | range.minlen = 0; | ||
| 554 | } else if (copy_from_user(&range, argp, sizeof(range))) | ||
| 555 | return -EFAULT; | ||
| 556 | |||
| 557 | ret = sb->s_op->trim_fs(sb, &range); | ||
| 558 | if (ret < 0) | ||
| 559 | return ret; | ||
| 560 | |||
| 561 | if ((argp != NULL) && | ||
| 562 | (copy_to_user(argp, &range, sizeof(range)))) | ||
| 563 | return -EFAULT; | ||
| 564 | |||
| 565 | return 0; | ||
| 566 | } | ||
| 567 | |||
| 568 | /* | 532 | /* |
| 569 | * When you add any new common ioctls to the switches above and below | 533 | * When you add any new common ioctls to the switches above and below |
| 570 | * please update compat_sys_ioctl() too. | 534 | * please update compat_sys_ioctl() too. |
| @@ -615,10 +579,6 @@ int do_vfs_ioctl(struct file *filp, unsigned int fd, unsigned int cmd, | |||
| 615 | error = ioctl_fsthaw(filp); | 579 | error = ioctl_fsthaw(filp); |
| 616 | break; | 580 | break; |
| 617 | 581 | ||
| 618 | case FITRIM: | ||
| 619 | error = ioctl_fstrim(filp, argp); | ||
| 620 | break; | ||
| 621 | |||
| 622 | case FS_IOC_FIEMAP: | 582 | case FS_IOC_FIEMAP: |
| 623 | return ioctl_fiemap(filp, arg); | 583 | return ioctl_fiemap(filp, arg); |
| 624 | 584 | ||
