On Tue, Dec 20, 2011 at 09:33:06AM +0800, Liu Bo wrote:
+static long btrfs_ioctl_compr_size(struct file *file, void __user *argp)
+{
+ struct inode *inode = fdentry(file)-d_inode;
+ struct btrfs_ioctl_compr_size_args compr_args;
+ u64 len;
+ u64 compressed_size = 0;
+ u64
Go through all extents of a file in a given [start,end) range and sum
for:
* regular extent: -block_len, size is already rounded up to blocks
* inline extents: length rounded up to 512
The range is start inclusive / end exclusive. For the whole file pass
0 and (u64)-1.
The resulting value is
On 12/19/2011 10:17 PM, David Sterba wrote:
Go through all extents of a file in a given [start,end) range and sum
for:
* regular extent: -block_len, size is already rounded up to blocks
* inline extents: length rounded up to 512
The range is start inclusive / end exclusive. For the whole
