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-rw-r--r--fs/ioctl.c40
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
533static 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