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features/shard: Leverage block_num info in inode-ctx in read callback

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... instead of adding this information in fd_ctx in call path and
retrieving it again in the callback.

Change-Id: Ibbddbbe85baadb7e24aacf5ec8a1250d493d7800
BUG: 1468483
Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com>
This commit is contained in:
Krutika Dhananjay 2018-02-26 15:58:13 +05:30
parent 15afb4cf9f
commit 8e21ea3e4f
1 changed files with 3 additions and 18 deletions
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21
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,
struct iovec vec = {0,};
shard_local_t *local = NULL;
fd_t *anon_fd = cookie;
shard_inode_ctx_t *ctx = NULL;
local = frame->local;
@ -3119,7 +3120,8 @@ shard_readv_do_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
if (local->op_ret >= 0)
local->op_ret += op_ret;
fd_ctx_get (anon_fd, this, &block_num);
shard_inode_ctx_get (anon_fd->inode, this, &ctx);
block_num = ctx->block_num;
if (block_num == local->first_block) {
address = local->iobuf->ptr;
@ -3172,7 +3174,6 @@ int
shard_readv_do (call_frame_t *frame, xlator_t *this)
{
int i = 0;
int ret = 0;
int call_count = 0;
int last_block = 0;
int cur_block = 0;
@ -3229,22 +3230,6 @@ shard_readv_do (call_frame_t *frame, xlator_t *this)
}
}
ret = fd_ctx_set (anon_fd, this, cur_block);
if (ret) {
gf_msg (this->name, GF_LOG_ERROR, 0,
SHARD_MSG_FD_CTX_SET_FAILED,
"Failed to set fd ctx for block %d, gfid=%s",
cur_block,
uuid_utoa (local->inode_list[i]->gfid));
local->op_ret = -1;
local->op_errno = ENOMEM;
wind_failed = _gf_true;
shard_readv_do_cbk (frame, (void *) (long) anon_fd,
this, -1, ENOMEM, NULL, 0, NULL,
NULL, NULL);
goto next;
}
STACK_WIND_COOKIE (frame, shard_readv_do_cbk, anon_fd,
FIRST_CHILD(this),
FIRST_CHILD(this)->fops->readv, anon_fd,