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From 347219cb249806a47d88f1de118dd3ddf9f5fbdd Mon Sep 17 00:00:00 2001
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From: Krutika Dhananjay <kdhananj@redhat.com>
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Date: Mon, 26 Feb 2018 15:58:13 +0530
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Subject: [PATCH 169/180] features/shard: Leverage block_num info in inode-ctx
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in read callback
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... instead of adding this information in fd_ctx in call path and
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retrieving it again in the callback.
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> Upstream: https://review.gluster.org/19633
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> BUG: 1468483
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> Change-Id: Ibbddbbe85baadb7e24aacf5ec8a1250d493d7800
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Change-Id: I384c1c12c1b39c36524761f45d5fbcc8608d96e3
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BUG: 1493085
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Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com>
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Reviewed-on: https://code.engineering.redhat.com/gerrit/131735
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Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
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Tested-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
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Tested-by: RHGS Build Bot <nigelb@redhat.com>
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---
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xlators/features/shard/src/shard.c | 21 +++------------------
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1 file changed, 3 insertions(+), 18 deletions(-)
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diff --git a/xlators/features/shard/src/shard.c b/xlators/features/shard/src/shard.c
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index 20a0608..7677a14 100644
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--- a/xlators/features/shard/src/shard.c
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+++ b/xlators/features/shard/src/shard.c
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@@ -3101,6 +3101,7 @@ shard_readv_do_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
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struct iovec vec = {0,};
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shard_local_t *local = NULL;
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fd_t *anon_fd = cookie;
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+ shard_inode_ctx_t *ctx = NULL;
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local = frame->local;
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@@ -3119,7 +3120,8 @@ shard_readv_do_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
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if (local->op_ret >= 0)
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local->op_ret += op_ret;
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- fd_ctx_get (anon_fd, this, &block_num);
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+ shard_inode_ctx_get (anon_fd->inode, this, &ctx;;
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+ block_num = ctx->block_num;
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if (block_num == local->first_block) {
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address = local->iobuf->ptr;
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@@ -3172,7 +3174,6 @@ int
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shard_readv_do (call_frame_t *frame, xlator_t *this)
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{
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int i = 0;
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- int ret = 0;
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int call_count = 0;
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int last_block = 0;
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int cur_block = 0;
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@@ -3229,22 +3230,6 @@ shard_readv_do (call_frame_t *frame, xlator_t *this)
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}
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}
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- ret = fd_ctx_set (anon_fd, this, cur_block);
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- if (ret) {
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- gf_msg (this->name, GF_LOG_ERROR, 0,
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- SHARD_MSG_FD_CTX_SET_FAILED,
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- "Failed to set fd ctx for block %d, gfid=%s",
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- cur_block,
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- uuid_utoa (local->inode_list[i]->gfid));
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- local->op_ret = -1;
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- local->op_errno = ENOMEM;
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- wind_failed = _gf_true;
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- shard_readv_do_cbk (frame, (void *) (long) anon_fd,
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- this, -1, ENOMEM, NULL, 0, NULL,
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- NULL, NULL);
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- goto next;
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- }
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-
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STACK_WIND_COOKIE (frame, shard_readv_do_cbk, anon_fd,
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FIRST_CHILD(this),
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FIRST_CHILD(this)->fops->readv, anon_fd,
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--
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1.8.3.1
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