probe::ioblock_trace.end


Name

probe::ioblock_trace.end — Fires whenever a block I/O transfer is complete.

Synopsis

ioblock_trace.end 

Values

bdev_contains
points to the device object which contains the partition (when bio structure represents a partition)
flags
see below BIO_UPTODATE 0 ok after I/O completion BIO_RW_BLOCK 1 RW_AHEAD set, and read/write would block BIO_EOF 2 out-out-bounds error BIO_SEG_VALID 3 nr_hw_seg valid BIO_CLONED 4 doesn't own data BIO_BOUNCED 5 bio is a bounce bio BIO_USER_MAPPED 6 contains user pages BIO_EOPNOTSUPP 7 not supported
devname
block device name
bytes_done
number of bytes transferred
name
name of the probe point
sector
beginning sector for the entire bio
ino
i-node number of the mapped file
rw
binary trace for read/write request
size
total size in bytes
q
request queue on which this bio was queued.
idx
offset into the bio vector array phys_segments - number of segments in this bio after physical address coalescing is performed.
vcnt
bio vector count which represents number of array element (page, offset, length) which makes up this I/O request
bdev
target block device
p_start_sect
points to the start sector of the partition structure of the device

Context

The process signals the transfer is done.