probe::ioblock.end — Fires whenever a block I/O transfer is complete.
ioblock.end
size
total size in bytes
bytes_done
number of bytes transferred
ino
i-node number of the mapped file
phys_segments
number of segments in this bio after physical address coalescing is performed.
devname
block device name
opf
operations and flags
rw
binary trace for read/write request
sector
beginning sector for the entire bio
error
0 on success
idx
offset into the bio vector array
hw_segments
number of segments after physical and DMA remapping hardware coalescing is performed
name
name of the probe point
vcnt
bio vector count which represents number of array element (page, offset, length) which makes up this I/O request
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