diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index c1cdf613e7258e39f2964768c2d65b6422ce8c96..31e5ee0c858fb40ad61a505cb664b0fb3c31fe23 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -239,6 +239,7 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) } } + me.moved_len = 0; err = ext4_move_extents(filp, donor_filp, me.orig_start, me.donor_start, me.len, &me.moved_len); fput(donor_filp); diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c index 3478889e00b38b364ba9f652e05f92e9fcdf36bb..445ecd7616a6a16adc914008a2c6577ca49a347b 100644 --- a/fs/ext4/move_extent.c +++ b/fs/ext4/move_extent.c @@ -947,7 +947,6 @@ move_extent_per_page(struct file *o_filp, struct inode *donor_inode, * @orig_start: logical start offset in block for orig * @donor_start: logical start offset in block for donor * @len: the number of blocks to be moved - * @moved_len: moved block length * * Check the arguments of ext4_move_extents() whether the files can be * exchanged with each other. @@ -955,8 +954,8 @@ move_extent_per_page(struct file *o_filp, struct inode *donor_inode, */ static int mext_check_arguments(struct inode *orig_inode, - struct inode *donor_inode, __u64 orig_start, - __u64 donor_start, __u64 *len, __u64 moved_len) + struct inode *donor_inode, __u64 orig_start, + __u64 donor_start, __u64 *len) { ext4_lblk_t orig_blocks, donor_blocks; unsigned int blkbits = orig_inode->i_blkbits; @@ -1010,13 +1009,6 @@ mext_check_arguments(struct inode *orig_inode, return -EINVAL; } - if (moved_len) { - ext4_debug("ext4 move extent: moved_len should be 0 " - "[ino:orig %lu, donor %lu]\n", orig_inode->i_ino, - donor_inode->i_ino); - return -EINVAL; - } - if ((orig_start > EXT_MAX_BLOCK) || (donor_start > EXT_MAX_BLOCK) || (*len > EXT_MAX_BLOCK) || @@ -1226,7 +1218,7 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp, double_down_write_data_sem(orig_inode, donor_inode); /* Check the filesystem environment whether move_extent can be done */ ret1 = mext_check_arguments(orig_inode, donor_inode, orig_start, - donor_start, &len, *moved_len); + donor_start, &len); if (ret1) goto out;