diff options
| -rw-r--r-- | xlators/features/shard/src/shard.c | 3 | ||||
| -rw-r--r-- | xlators/storage/posix/src/posix.c | 40 |
2 files changed, 35 insertions, 8 deletions
diff --git a/xlators/features/shard/src/shard.c b/xlators/features/shard/src/shard.c index dfb0374c13e..0967f734ea1 100644 --- a/xlators/features/shard/src/shard.c +++ b/xlators/features/shard/src/shard.c @@ -3013,6 +3013,9 @@ shard_readv_do (call_frame_t *frame, xlator_t *this) SHARD_SET_ROOT_FS_ID (frame, local); + if (fd->flags & O_DIRECT) + local->flags = O_DIRECT; + while (cur_block <= last_block) { if (wind_failed) { shard_readv_do_cbk (frame, (void *) (long) 0, this, -1, diff --git a/xlators/storage/posix/src/posix.c b/xlators/storage/posix/src/posix.c index 9ee2b2ed274..c6bf5174186 100644 --- a/xlators/storage/posix/src/posix.c +++ b/xlators/storage/posix/src/posix.c @@ -3042,6 +3042,8 @@ posix_readv (call_frame_t *frame, xlator_t *this, int32_t op_ret = -1; int32_t op_errno = 0; int _fd = -1; + char *buf = NULL; + char *alloc_buf = NULL; struct posix_private * priv = NULL; struct iobuf * iobuf = NULL; struct iobref * iobref = NULL; @@ -3080,14 +3082,35 @@ posix_readv (call_frame_t *frame, xlator_t *this, } _fd = pfd->fd; - op_ret = sys_pread (_fd, iobuf->ptr, size, offset); - if (op_ret == -1) { - op_errno = errno; - gf_msg (this->name, GF_LOG_ERROR, errno, P_MSG_READ_FAILED, - "read failed on gfid=%s, fd=%p, offset=%"PRIu64" " - "size=%"GF_PRI_SIZET"", uuid_utoa (fd->inode->gfid), fd, - offset, size); - goto out; + if (pfd->flags & O_DIRECT) { + alloc_buf = _page_aligned_alloc (size, &buf); + if (!alloc_buf) { + op_ret = -1; + op_errno = errno; + goto out; + } + + op_ret = sys_pread (_fd, buf, size, offset); + if (op_ret == -1) { + op_errno = errno; + gf_msg (this->name, GF_LOG_ERROR, errno, + P_MSG_READ_FAILED, "read failed on gfid=%s, " + "fd=%p, offset=%"PRIu64" size=%"GF_PRI_SIZET", " + "buf=%p", uuid_utoa (fd->inode->gfid), fd, + offset, size, buf); + goto out; + } + memcpy(iobuf->ptr, buf, size); + } else { + op_ret = sys_pread (_fd, iobuf->ptr, size, offset); + if (op_ret == -1) { + op_errno = errno; + gf_msg (this->name, GF_LOG_ERROR, errno, P_MSG_READ_FAILED, + "read failed on gfid=%s, fd=%p, offset=%"PRIu64" " + "size=%"GF_PRI_SIZET"", uuid_utoa (fd->inode->gfid), fd, + offset, size); + goto out; + } } LOCK (&priv->lock); @@ -3130,6 +3153,7 @@ out: iobref_unref (iobref); if (iobuf) iobuf_unref (iobuf); + GF_FREE (alloc_buf); return 0; } |