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device_stats

btrfs_uapi::device

Function device_stats 

Source 
pub fn device_stats(
    fd: BorrowedFd<'_>,
    devid: u64,
    reset: bool,
) -> Result<DevStats>
Expand description

Query I/O error statistics for the device identified by devid within the filesystem referred to by fd.

If reset is true, the kernel atomically returns the current values and then resets all counters to zero. The kernel requires CAP_SYS_ADMIN.