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Diffstat (limited to 'kernel/fs/ext4/ioctl.c')
-rw-r--r--kernel/fs/ext4/ioctl.c27
1 files changed, 9 insertions, 18 deletions
diff --git a/kernel/fs/ext4/ioctl.c b/kernel/fs/ext4/ioctl.c
index 2cb9e178d..5e872fd40 100644
--- a/kernel/fs/ext4/ioctl.c
+++ b/kernel/fs/ext4/ioctl.c
@@ -31,14 +31,11 @@
static void memswap(void *a, void *b, size_t len)
{
unsigned char *ap, *bp;
- unsigned char tmp;
ap = (unsigned char *)a;
bp = (unsigned char *)b;
while (len-- > 0) {
- tmp = *ap;
- *ap = *bp;
- *bp = tmp;
+ swap(*ap, *bp);
ap++;
bp++;
}
@@ -148,8 +145,7 @@ static long swap_inode_boot_loader(struct super_block *sb,
inode_bl->i_version = 1;
i_size_write(inode_bl, 0);
inode_bl->i_mode = S_IFREG;
- if (EXT4_HAS_INCOMPAT_FEATURE(sb,
- EXT4_FEATURE_INCOMPAT_EXTENTS)) {
+ if (ext4_has_feature_extents(sb)) {
ext4_set_inode_flag(inode_bl, EXT4_INODE_EXTENTS);
ext4_ext_tree_init(handle, inode_bl);
} else
@@ -386,8 +382,7 @@ setversion_out:
goto group_extend_out;
}
- if (EXT4_HAS_RO_COMPAT_FEATURE(sb,
- EXT4_FEATURE_RO_COMPAT_BIGALLOC)) {
+ if (ext4_has_feature_bigalloc(sb)) {
ext4_msg(sb, KERN_ERR,
"Online resizing not supported with bigalloc");
err = -EOPNOTSUPP;
@@ -435,8 +430,7 @@ group_extend_out:
goto mext_out;
}
- if (EXT4_HAS_RO_COMPAT_FEATURE(sb,
- EXT4_FEATURE_RO_COMPAT_BIGALLOC)) {
+ if (ext4_has_feature_bigalloc(sb)) {
ext4_msg(sb, KERN_ERR,
"Online defrag not supported with bigalloc");
err = -EOPNOTSUPP;
@@ -473,8 +467,7 @@ mext_out:
goto group_add_out;
}
- if (EXT4_HAS_RO_COMPAT_FEATURE(sb,
- EXT4_FEATURE_RO_COMPAT_BIGALLOC)) {
+ if (ext4_has_feature_bigalloc(sb)) {
ext4_msg(sb, KERN_ERR,
"Online resizing not supported with bigalloc");
err = -EOPNOTSUPP;
@@ -556,8 +549,7 @@ group_add_out:
int err = 0, err2 = 0;
ext4_group_t o_group = EXT4_SB(sb)->s_groups_count;
- if (EXT4_HAS_RO_COMPAT_FEATURE(sb,
- EXT4_FEATURE_RO_COMPAT_BIGALLOC)) {
+ if (ext4_has_feature_bigalloc(sb)) {
ext4_msg(sb, KERN_ERR,
"Online resizing not (yet) supported with bigalloc");
return -EOPNOTSUPP;
@@ -675,8 +667,8 @@ encryption_policy_out:
if (err)
return err;
}
- if (copy_to_user((void *) arg, sbi->s_es->s_encrypt_pw_salt,
- 16))
+ if (copy_to_user((void __user *) arg,
+ sbi->s_es->s_encrypt_pw_salt, 16))
return -EFAULT;
return 0;
}
@@ -690,7 +682,7 @@ encryption_policy_out:
err = ext4_get_policy(inode, &policy);
if (err)
return err;
- if (copy_to_user((void *)arg, &policy, sizeof(policy)))
+ if (copy_to_user((void __user *)arg, &policy, sizeof(policy)))
return -EFAULT;
return 0;
#else
@@ -758,7 +750,6 @@ long ext4_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
return err;
}
case EXT4_IOC_MOVE_EXT:
- case FITRIM:
case EXT4_IOC_RESIZE_FS:
case EXT4_IOC_PRECACHE_EXTENTS:
case EXT4_IOC_SET_ENCRYPTION_POLICY: