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-rw-r--r--fs/ext4/super.c1
-rw-r--r--fs/ioctl.c39
-rw-r--r--include/linux/fs.h1
3 files changed, 0 insertions, 41 deletions
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 14ada8c50c43..e32195d6aac3 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -1197,7 +1197,6 @@ static const struct super_operations ext4_sops = {
1197 .quota_write = ext4_quota_write, 1197 .quota_write = ext4_quota_write,
1198#endif 1198#endif
1199 .bdev_try_to_free_page = bdev_try_to_free_page, 1199 .bdev_try_to_free_page = bdev_try_to_free_page,
1200 .trim_fs = ext4_trim_fs
1201}; 1200};
1202 1201
1203static const struct super_operations ext4_nojournal_sops = { 1202static const struct super_operations ext4_nojournal_sops = {
diff --git a/fs/ioctl.c b/fs/ioctl.c
index e92fdbb3bc3a..f855ea4fc888 100644
--- a/fs/ioctl.c
+++ b/fs/ioctl.c
@@ -530,41 +530,6 @@ static int ioctl_fsthaw(struct file *filp)
530 return thaw_super(sb); 530 return thaw_super(sb);
531} 531}
532 532
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/* 533/*
569 * When you add any new common ioctls to the switches above and below 534 * When you add any new common ioctls to the switches above and below
570 * please update compat_sys_ioctl() too. 535 * please update compat_sys_ioctl() too.
@@ -615,10 +580,6 @@ int do_vfs_ioctl(struct file *filp, unsigned int fd, unsigned int cmd,
615 error = ioctl_fsthaw(filp); 580 error = ioctl_fsthaw(filp);
616 break; 581 break;
617 582
618 case FITRIM:
619 error = ioctl_fstrim(filp, argp);
620 break;
621
622 case FS_IOC_FIEMAP: 583 case FS_IOC_FIEMAP:
623 return ioctl_fiemap(filp, arg); 584 return ioctl_fiemap(filp, arg);
624 585
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 334d68a17108..eedc00b7b1ee 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -1612,7 +1612,6 @@ struct super_operations {
1612 ssize_t (*quota_write)(struct super_block *, int, const char *, size_t, loff_t); 1612 ssize_t (*quota_write)(struct super_block *, int, const char *, size_t, loff_t);
1613#endif 1613#endif
1614 int (*bdev_try_to_free_page)(struct super_block*, struct page*, gfp_t); 1614 int (*bdev_try_to_free_page)(struct super_block*, struct page*, gfp_t);
1615 int (*trim_fs) (struct super_block *, struct fstrim_range *);
1616}; 1615};
1617 1616
1618/* 1617/*