Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6

[cascardo/linux.git] / fs / ioctl.c

diff --git a/fs/ioctl.c b/fs/ioctl.c
index e92fdbb..a59635e 100644 (file)
--- a/fs/ioctl.c
+++ b/fs/ioctl.c
@@ -6,7 +6,6 @@
 
 #include <linux/syscalls.h>
 #include <linux/mm.h>
-#include <linux/smp_lock.h>
 #include <linux/capability.h>
 #include <linux/file.h>
 #include <linux/fs.h>
@@ -87,7 +86,7 @@ int fiemap_fill_next_extent(struct fiemap_extent_info *fieinfo, u64 logical,
                            u64 phys, u64 len, u32 flags)
 {
        struct fiemap_extent extent;
-       struct fiemap_extent *dest = fieinfo->fi_extents_start;
+       struct fiemap_extent __user *dest = fieinfo->fi_extents_start;
 
        /* only count the extents */
        if (fieinfo->fi_extents_max == 0) {
@@ -174,6 +173,7 @@ static int fiemap_check_ranges(struct super_block *sb,
 static int ioctl_fiemap(struct file *filp, unsigned long arg)
 {
        struct fiemap fiemap;
+       struct fiemap __user *ufiemap = (struct fiemap __user *) arg;
        struct fiemap_extent_info fieinfo = { 0, };
        struct inode *inode = filp->f_path.dentry->d_inode;
        struct super_block *sb = inode->i_sb;
@@ -183,8 +183,7 @@ static int ioctl_fiemap(struct file *filp, unsigned long arg)
        if (!inode->i_op->fiemap)
                return -EOPNOTSUPP;
 
-       if (copy_from_user(&fiemap, (struct fiemap __user *)arg,
-                          sizeof(struct fiemap)))
+       if (copy_from_user(&fiemap, ufiemap, sizeof(fiemap)))
                return -EFAULT;
 
        if (fiemap.fm_extent_count > FIEMAP_MAX_EXTENTS)
@@ -197,7 +196,7 @@ static int ioctl_fiemap(struct file *filp, unsigned long arg)
 
        fieinfo.fi_flags = fiemap.fm_flags;
        fieinfo.fi_extents_max = fiemap.fm_extent_count;
-       fieinfo.fi_extents_start = (struct fiemap_extent *)(arg + sizeof(fiemap));
+       fieinfo.fi_extents_start = ufiemap->fm_extents;
 
        if (fiemap.fm_extent_count != 0 &&
            !access_ok(VERIFY_WRITE, fieinfo.fi_extents_start,
@@ -210,7 +209,7 @@ static int ioctl_fiemap(struct file *filp, unsigned long arg)
        error = inode->i_op->fiemap(inode, &fieinfo, fiemap.fm_start, len);
        fiemap.fm_flags = fieinfo.fi_flags;
        fiemap.fm_mapped_extents = fieinfo.fi_extents_mapped;
-       if (copy_to_user((char *)arg, &fiemap, sizeof(fiemap)))
+       if (copy_to_user(ufiemap, &fiemap, sizeof(fiemap)))
                error = -EFAULT;
 
        return error;
@@ -530,41 +529,6 @@ static int ioctl_fsthaw(struct file *filp)
        return thaw_super(sb);
 }
 
-static int ioctl_fstrim(struct file *filp, void __user *argp)
-{
-       struct super_block *sb = filp->f_path.dentry->d_inode->i_sb;
-       struct fstrim_range range;
-       int ret = 0;
-
-       if (!capable(CAP_SYS_ADMIN))
-               return -EPERM;
-
-       /* If filesystem doesn't support trim feature, return. */
-       if (sb->s_op->trim_fs == NULL)
-               return -EOPNOTSUPP;
-
-       /* If a blockdevice-backed filesystem isn't specified, return EINVAL. */
-       if (sb->s_bdev == NULL)
-               return -EINVAL;
-
-       if (argp == NULL) {
-               range.start = 0;
-               range.len = ULLONG_MAX;
-               range.minlen = 0;
-       } else if (copy_from_user(&range, argp, sizeof(range)))
-               return -EFAULT;
-
-       ret = sb->s_op->trim_fs(sb, &range);
-       if (ret < 0)
-               return ret;
-
-       if ((argp != NULL) &&
-           (copy_to_user(argp, &range, sizeof(range))))
-               return -EFAULT;
-
-       return 0;
-}
-
 /*
  * When you add any new common ioctls to the switches above and below
  * please update compat_sys_ioctl() too.
@@ -615,10 +579,6 @@ int do_vfs_ioctl(struct file *filp, unsigned int fd, unsigned int cmd,
                error = ioctl_fsthaw(filp);
                break;
 
-       case FITRIM:
-               error = ioctl_fstrim(filp, argp);
-               break;
-
        case FS_IOC_FIEMAP:
                return ioctl_fiemap(filp, arg);