Lines Matching refs:iocb
837 static ssize_t ceph_sync_read(struct kiocb *iocb, struct iov_iter *to, in ceph_sync_read() argument
840 struct file *file = iocb->ki_filp; in ceph_sync_read()
846 u64 off = iocb->ki_pos; in ceph_sync_read()
953 if (off > iocb->ki_pos) { in ceph_sync_read()
957 ret = off - iocb->ki_pos; in ceph_sync_read()
958 iocb->ki_pos = off; in ceph_sync_read()
966 struct kiocb *iocb; member
994 if (aio_req->iocb->ki_flags & IOCB_DIRECT) in ceph_aio_complete()
1006 loff_t endoff = aio_req->iocb->ki_pos + aio_req->total_len; in ceph_aio_complete()
1025 aio_req->iocb->ki_complete(aio_req->iocb, ret, 0); in ceph_aio_complete()
1072 loff_t endoff = aio_req->iocb->ki_pos + rc; in ceph_aio_complete_req()
1174 ceph_direct_read_write(struct kiocb *iocb, struct iov_iter *iter, in ceph_direct_read_write() argument
1178 struct file *file = iocb->ki_filp; in ceph_direct_read_write()
1192 loff_t pos = iocb->ki_pos; in ceph_direct_read_write()
1252 if (pos == iocb->ki_pos && !is_sync_kiocb(iocb) && in ceph_direct_read_write()
1256 aio_req->iocb = iocb; in ceph_direct_read_write()
1370 if (ret != -EOLDSNAPC && pos > iocb->ki_pos) { in ceph_direct_read_write()
1371 ret = pos - iocb->ki_pos; in ceph_direct_read_write()
1372 iocb->ki_pos = pos; in ceph_direct_read_write()
1385 ceph_sync_write(struct kiocb *iocb, struct iov_iter *from, loff_t pos, in ceph_sync_write() argument
1388 struct file *file = iocb->ki_filp; in ceph_sync_write()
1501 iocb->ki_pos = pos; in ceph_sync_write()
1513 static ssize_t ceph_read_iter(struct kiocb *iocb, struct iov_iter *to) in ceph_read_iter() argument
1515 struct file *filp = iocb->ki_filp; in ceph_read_iter()
1520 bool direct_lock = iocb->ki_flags & IOCB_DIRECT; in ceph_read_iter()
1527 inode, ceph_vinop(inode), iocb->ki_pos, (unsigned)len, inode); in ceph_read_iter()
1540 if (iocb->ki_flags & IOCB_DIRECT) in ceph_read_iter()
1548 (iocb->ki_flags & IOCB_DIRECT) || in ceph_read_iter()
1552 inode, ceph_vinop(inode), iocb->ki_pos, (unsigned)len, in ceph_read_iter()
1556 if (!retry_op && (iocb->ki_flags & IOCB_DIRECT)) { in ceph_read_iter()
1557 ret = ceph_direct_read_write(iocb, to, in ceph_read_iter()
1562 ret = ceph_sync_read(iocb, to, &retry_op); in ceph_read_iter()
1570 inode, ceph_vinop(inode), iocb->ki_pos, (unsigned)len, in ceph_read_iter()
1573 ret = generic_file_read_iter(iocb, to); in ceph_read_iter()
1611 if (iocb->ki_pos < i_size && in ceph_read_iter()
1612 iocb->ki_pos < PAGE_SIZE) { in ceph_read_iter()
1614 iocb->ki_pos + len); in ceph_read_iter()
1619 iocb->ki_pos & ~PAGE_MASK, in ceph_read_iter()
1620 end - iocb->ki_pos, to); in ceph_read_iter()
1621 iocb->ki_pos += ret; in ceph_read_iter()
1624 if (iocb->ki_pos < i_size && read < len) { in ceph_read_iter()
1626 i_size - iocb->ki_pos); in ceph_read_iter()
1628 iocb->ki_pos += ret; in ceph_read_iter()
1636 if (retry_op == CHECK_EOF && iocb->ki_pos < i_size && in ceph_read_iter()
1639 ", reading more\n", iocb->ki_pos, i_size); in ceph_read_iter()
1664 static ssize_t ceph_write_iter(struct kiocb *iocb, struct iov_iter *from) in ceph_write_iter() argument
1666 struct file *file = iocb->ki_filp; in ceph_write_iter()
1688 if ((iocb->ki_flags & (IOCB_DIRECT | IOCB_APPEND)) == IOCB_DIRECT) in ceph_write_iter()
1700 if (iocb->ki_flags & IOCB_APPEND) { in ceph_write_iter()
1706 err = generic_write_checks(iocb, from); in ceph_write_iter()
1710 pos = iocb->ki_pos; in ceph_write_iter()
1765 (iocb->ki_flags & IOCB_DIRECT) || (fi->flags & CEPH_F_SYNC) || in ceph_write_iter()
1785 if (iocb->ki_flags & IOCB_DIRECT) in ceph_write_iter()
1786 written = ceph_direct_read_write(iocb, &data, snapc, in ceph_write_iter()
1789 written = ceph_sync_write(iocb, &data, pos, snapc); in ceph_write_iter()
1807 iocb->ki_pos = pos + written; in ceph_write_iter()
1821 if (ceph_quota_is_max_bytes_approaching(inode, iocb->ki_pos)) in ceph_write_iter()
1839 iocb->ki_flags |= IOCB_DSYNC; in ceph_write_iter()
1840 written = generic_write_sync(iocb, written); in ceph_write_iter()