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Diffstat (limited to 'xlators/cluster/ec/src/ec-inode-read.c')
-rw-r--r--xlators/cluster/ec/src/ec-inode-read.c507
1 files changed, 176 insertions, 331 deletions
diff --git a/xlators/cluster/ec/src/ec-inode-read.c b/xlators/cluster/ec/src/ec-inode-read.c
index 2cc374bbfc9..d9a33c878b2 100644
--- a/xlators/cluster/ec/src/ec-inode-read.c
+++ b/xlators/cluster/ec/src/ec-inode-read.c
@@ -82,13 +82,10 @@ ec_manager_access(ec_fop_data_t *fop, int32_t state)
return EC_STATE_PREPARE_ANSWER;
case EC_STATE_PREPARE_ANSWER:
- cbk = fop->answer;
- if (cbk) {
- if (ec_dispatch_one_retry (fop, cbk))
- return EC_STATE_DISPATCH;
- } else {
- ec_fop_set_error(fop, EIO);
+ if (ec_dispatch_one_retry(fop, NULL)) {
+ return EC_STATE_DISPATCH;
}
+
return EC_STATE_REPORT;
case EC_STATE_REPORT:
@@ -127,7 +124,7 @@ ec_manager_access(ec_fop_data_t *fop, int32_t state)
return EC_STATE_END;
default:
- gf_msg (fop->xl->name, GF_LOG_ERROR, 0,
+ gf_msg (fop->xl->name, GF_LOG_ERROR, EINVAL,
EC_MSG_UNHANDLED_STATE,
"Unhandled state %d for %s",
state, ec_fop_name(fop->id));
@@ -142,7 +139,7 @@ void ec_access(call_frame_t * frame, xlator_t * this, uintptr_t target,
{
ec_cbk_t callback = { .access = func };
ec_fop_data_t * fop = NULL;
- int32_t error = EIO;
+ int32_t error = ENOMEM;
gf_msg_trace ("ec", 0, "EC(ACCESS) %p", frame);
@@ -153,29 +150,24 @@ void ec_access(call_frame_t * frame, xlator_t * this, uintptr_t target,
fop = ec_fop_data_allocate(frame, this, GF_FOP_ACCESS, 0, target, minimum,
ec_wind_access, ec_manager_access, callback,
data);
- if (fop == NULL)
- {
+ if (fop == NULL) {
goto out;
}
fop->int32 = mask;
- if (loc != NULL)
- {
- if (loc_copy(&fop->loc[0], loc) != 0)
- {
- gf_msg (this->name, GF_LOG_ERROR, 0,
+ if (loc != NULL) {
+ if (loc_copy(&fop->loc[0], loc) != 0) {
+ gf_msg (this->name, GF_LOG_ERROR, ENOMEM,
EC_MSG_LOC_COPY_FAIL,
"Failed to copy a location.");
goto out;
}
}
- if (xdata != NULL)
- {
+ if (xdata != NULL) {
fop->xdata = dict_ref(xdata);
- if (fop->xdata == NULL)
- {
+ if (fop->xdata == NULL) {
gf_msg (this->name, GF_LOG_ERROR, 0,
EC_MSG_DICT_REF_FAIL,
"Failed to reference a "
@@ -188,13 +180,10 @@ void ec_access(call_frame_t * frame, xlator_t * this, uintptr_t target,
error = 0;
out:
- if (fop != NULL)
- {
+ if (fop != NULL) {
ec_manager(fop, error);
- }
- else
- {
- func(frame, NULL, this, -1, EIO, NULL);
+ } else {
+ func(frame, NULL, this, -1, error, NULL);
}
}
@@ -337,25 +326,12 @@ int32_t ec_manager_getxattr(ec_fop_data_t * fop, int32_t state)
case EC_STATE_PREPARE_ANSWER:
ec_handle_special_xattrs (fop);
- cbk = fop->answer;
- if (cbk != NULL)
- {
- if (!ec_dict_combine(cbk, EC_COMBINE_XDATA) ||
- ((cbk->op_ret >= 0) && !ec_dict_combine(cbk,
- EC_COMBINE_DICT)))
- {
- if (cbk->op_ret >= 0)
- {
- cbk->op_ret = -1;
- cbk->op_errno = EIO;
- }
- }
- if (cbk->op_ret < 0)
- {
- ec_fop_set_error(fop, cbk->op_errno);
- }
- else
- {
+ cbk = ec_fop_prepare_answer(fop, _gf_true);
+ if (cbk != NULL) {
+ int32_t err;
+
+ err = ec_dict_combine(cbk, EC_COMBINE_DICT);
+ if (!ec_cbk_set_error(cbk, -err, _gf_true)) {
if (cbk->xdata != NULL)
ec_filter_internal_xattrs (cbk->xdata);
@@ -363,10 +339,6 @@ int32_t ec_manager_getxattr(ec_fop_data_t * fop, int32_t state)
ec_filter_internal_xattrs (cbk->dict);
}
}
- else
- {
- ec_fop_set_error(fop, EIO);
- }
return EC_STATE_REPORT;
@@ -411,7 +383,7 @@ int32_t ec_manager_getxattr(ec_fop_data_t * fop, int32_t state)
return EC_STATE_END;
default:
- gf_msg (fop->xl->name, GF_LOG_ERROR, 0,
+ gf_msg (fop->xl->name, GF_LOG_ERROR, EINVAL,
EC_MSG_UNHANDLED_STATE,
"Unhandled state %d for %s",
state, ec_fop_name(fop->id));
@@ -480,7 +452,7 @@ ec_getxattr (call_frame_t *frame, xlator_t *this, uintptr_t target,
{
ec_cbk_t callback = { .getxattr = func };
ec_fop_data_t * fop = NULL;
- int32_t error = EIO;
+ int32_t error = ENOMEM;
gf_msg_trace ("ec", 0, "EC(GETXATTR) %p", frame);
@@ -500,27 +472,22 @@ ec_getxattr (call_frame_t *frame, xlator_t *this, uintptr_t target,
EC_FLAG_UPDATE_LOC_INODE, target, minimum,
ec_wind_getxattr, ec_manager_getxattr, callback,
data);
- if (fop == NULL)
- {
+ if (fop == NULL) {
goto out;
}
- if (loc != NULL)
- {
- if (loc_copy(&fop->loc[0], loc) != 0)
- {
- gf_msg (this->name, GF_LOG_ERROR, 0,
+ if (loc != NULL) {
+ if (loc_copy(&fop->loc[0], loc) != 0) {
+ gf_msg (this->name, GF_LOG_ERROR, ENOMEM,
EC_MSG_LOC_COPY_FAIL,
"Failed to copy a location.");
goto out;
}
}
- if (name != NULL)
- {
+ if (name != NULL) {
fop->str[0] = gf_strdup(name);
- if (fop->str[0] == NULL)
- {
+ if (fop->str[0] == NULL) {
gf_msg (this->name, GF_LOG_ERROR, ENOMEM,
EC_MSG_NO_MEMORY,
"Failed to duplicate a string.");
@@ -528,11 +495,9 @@ ec_getxattr (call_frame_t *frame, xlator_t *this, uintptr_t target,
goto out;
}
}
- if (xdata != NULL)
- {
+ if (xdata != NULL) {
fop->xdata = dict_ref(xdata);
- if (fop->xdata == NULL)
- {
+ if (fop->xdata == NULL) {
gf_msg (this->name, GF_LOG_ERROR, 0,
EC_MSG_DICT_REF_FAIL,
"Failed to reference a "
@@ -635,7 +600,7 @@ ec_fgetxattr (call_frame_t *frame, xlator_t *this, uintptr_t target,
{
ec_cbk_t callback = { .fgetxattr = func };
ec_fop_data_t * fop = NULL;
- int32_t error = EIO;
+ int32_t error = ENOMEM;
gf_msg_trace ("ec", 0, "EC(FGETXATTR) %p", frame);
@@ -647,18 +612,15 @@ ec_fgetxattr (call_frame_t *frame, xlator_t *this, uintptr_t target,
EC_FLAG_UPDATE_FD_INODE, target, minimum,
ec_wind_fgetxattr, ec_manager_getxattr,
callback, data);
- if (fop == NULL)
- {
+ if (fop == NULL) {
goto out;
}
fop->use_fd = 1;
- if (fd != NULL)
- {
+ if (fd != NULL) {
fop->fd = fd_ref(fd);
- if (fop->fd == NULL)
- {
+ if (fop->fd == NULL) {
gf_msg (this->name, GF_LOG_ERROR, 0,
EC_MSG_FILE_DESC_REF_FAIL,
"Failed to reference a "
@@ -667,22 +629,18 @@ ec_fgetxattr (call_frame_t *frame, xlator_t *this, uintptr_t target,
goto out;
}
}
- if (name != NULL)
- {
+ if (name != NULL) {
fop->str[0] = gf_strdup(name);
- if (fop->str[0] == NULL)
- {
+ if (fop->str[0] == NULL) {
gf_msg (this->name, GF_LOG_ERROR, ENOMEM,
EC_MSG_NO_MEMORY, "Failed to duplicate a string.");
goto out;
}
}
- if (xdata != NULL)
- {
+ if (xdata != NULL) {
fop->xdata = dict_ref(xdata);
- if (fop->xdata == NULL)
- {
+ if (fop->xdata == NULL) {
gf_msg (this->name, GF_LOG_ERROR, 0,
EC_MSG_DICT_REF_FAIL, "Failed to reference a "
"dictionary.");
@@ -814,6 +772,7 @@ int32_t ec_manager_open(ec_fop_data_t * fop, int32_t state)
{
ec_cbk_data_t * cbk;
ec_fd_t * ctx;
+ int32_t err;
switch (state)
{
@@ -821,11 +780,18 @@ int32_t ec_manager_open(ec_fop_data_t * fop, int32_t state)
LOCK(&fop->fd->lock);
ctx = __ec_fd_get(fop->fd, fop->xl);
- if ((ctx == NULL) ||
- (ec_loc_from_loc(fop->xl, &ctx->loc, &fop->loc[0])) != 0) {
+ if (ctx == NULL) {
+ UNLOCK(&fop->fd->lock);
+
+ fop->error = ENOMEM;
+
+ return EC_STATE_REPORT;
+ }
+ err = ec_loc_from_loc(fop->xl, &ctx->loc, &fop->loc[0]);
+ if (err != 0) {
UNLOCK(&fop->fd->lock);
- fop->error = EIO;
+ fop->error = -err;
return EC_STATE_REPORT;
}
@@ -851,51 +817,33 @@ int32_t ec_manager_open(ec_fop_data_t * fop, int32_t state)
return EC_STATE_PREPARE_ANSWER;
case EC_STATE_PREPARE_ANSWER:
- cbk = fop->answer;
- if (cbk != NULL)
- {
- if (!ec_dict_combine(cbk, EC_COMBINE_XDATA))
- {
- if (cbk->op_ret >= 0)
- {
- cbk->op_ret = -1;
- cbk->op_errno = EIO;
+ cbk = ec_fop_prepare_answer(fop, _gf_true);
+ if (cbk != NULL) {
+ int32_t err;
+
+ err = ec_loc_update(fop->xl, &fop->loc[0], cbk->fd->inode,
+ NULL);
+ if (!ec_cbk_set_error(cbk, -err, _gf_true)) {
+ LOCK(&fop->fd->lock);
+
+ ctx = __ec_fd_get(fop->fd, fop->xl);
+ if (ctx != NULL) {
+ ctx->open |= cbk->mask;
}
- }
- if (cbk->op_ret >= 0) {
- if (ec_loc_update(fop->xl, &fop->loc[0], cbk->fd->inode,
- NULL) != 0) {
- cbk->op_ret = -1;
- cbk->op_errno = EIO;
- } else {
- LOCK(&fop->fd->lock);
-
- ctx = __ec_fd_get(fop->fd, fop->xl);
- if (ctx != NULL) {
- ctx->open |= cbk->mask;
- }
- UNLOCK(&fop->fd->lock);
-
- /* If O_TRUNC was specified, call ftruncate to
- effectively trunc the file with appropriate locks
- acquired. We don't use ctx->flags because self-heal
- can use the same fd with different flags. */
- if (fop->uint32 != 0) {
- ec_sleep(fop);
- ec_ftruncate(fop->req_frame, fop->xl, cbk->mask,
- fop->minimum, ec_open_truncate_cbk,
- fop, cbk->fd, 0, NULL);
- }
+ UNLOCK(&fop->fd->lock);
+
+ /* If O_TRUNC was specified, call ftruncate to
+ effectively trunc the file with appropriate locks
+ acquired. We don't use ctx->flags because self-heal
+ can use the same fd with different flags. */
+ if (fop->uint32 != 0) {
+ ec_sleep(fop);
+ ec_ftruncate(fop->req_frame, fop->xl, cbk->mask,
+ fop->minimum, ec_open_truncate_cbk,
+ fop, cbk->fd, 0, NULL);
}
}
- if (cbk->op_ret < 0) {
- ec_fop_set_error(fop, cbk->op_errno);
- }
- }
- else
- {
- ec_fop_set_error(fop, EIO);
}
return EC_STATE_REPORT;
@@ -928,7 +876,7 @@ int32_t ec_manager_open(ec_fop_data_t * fop, int32_t state)
return EC_STATE_END;
default:
- gf_msg (fop->xl->name, GF_LOG_ERROR, 0,
+ gf_msg (fop->xl->name, GF_LOG_ERROR, EINVAL,
EC_MSG_UNHANDLED_STATE, "Unhandled state %d for %s",
state, ec_fop_name(fop->id));
@@ -942,7 +890,7 @@ void ec_open(call_frame_t * frame, xlator_t * this, uintptr_t target,
{
ec_cbk_t callback = { .open = func };
ec_fop_data_t * fop = NULL;
- int32_t error = EIO;
+ int32_t error = ENOMEM;
gf_msg_trace ("ec", 0, "EC(OPEN) %p", frame);
@@ -953,28 +901,23 @@ void ec_open(call_frame_t * frame, xlator_t * this, uintptr_t target,
fop = ec_fop_data_allocate(frame, this, GF_FOP_OPEN, EC_FLAG_UPDATE_FD,
target, minimum, ec_wind_open, ec_manager_open,
callback, data);
- if (fop == NULL)
- {
+ if (fop == NULL) {
goto out;
}
fop->int32 = flags;
- if (loc != NULL)
- {
- if (loc_copy(&fop->loc[0], loc) != 0)
- {
- gf_msg (this->name, GF_LOG_ERROR, 0,
+ if (loc != NULL) {
+ if (loc_copy(&fop->loc[0], loc) != 0) {
+ gf_msg (this->name, GF_LOG_ERROR, ENOMEM,
EC_MSG_LOC_COPY_FAIL, "Failed to copy a location.");
goto out;
}
}
- if (fd != NULL)
- {
+ if (fd != NULL) {
fop->fd = fd_ref(fd);
- if (fop->fd == NULL)
- {
+ if (fop->fd == NULL) {
gf_msg (this->name, GF_LOG_ERROR, 0,
EC_MSG_FILE_DESC_REF_FAIL, "Failed to reference a "
"file descriptor.");
@@ -982,11 +925,9 @@ void ec_open(call_frame_t * frame, xlator_t * this, uintptr_t target,
goto out;
}
}
- if (xdata != NULL)
- {
+ if (xdata != NULL) {
fop->xdata = dict_ref(xdata);
- if (fop->xdata == NULL)
- {
+ if (fop->xdata == NULL) {
gf_msg (this->name, GF_LOG_ERROR, 0,
EC_MSG_DICT_REF_FAIL, "Failed to reference a "
"dictionary.");
@@ -998,13 +939,10 @@ void ec_open(call_frame_t * frame, xlator_t * this, uintptr_t target,
error = 0;
out:
- if (fop != NULL)
- {
+ if (fop != NULL) {
ec_manager(fop, error);
- }
- else
- {
- func(frame, NULL, this, -1, EIO, NULL, NULL);
+ } else {
+ func(frame, NULL, this, -1, error, NULL, NULL);
}
}
@@ -1053,8 +991,7 @@ ec_readlink_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
cbk->iatt[0] = *buf;
cbk->str = gf_strdup (path);
if (!cbk->str) {
- cbk->op_ret = -1;
- cbk->op_errno = ENOMEM;
+ ec_cbk_set_error(cbk, ENOMEM, _gf_true);
}
}
ec_combine (cbk, NULL);
@@ -1094,15 +1031,12 @@ int32_t ec_manager_readlink(ec_fop_data_t * fop, int32_t state)
return EC_STATE_PREPARE_ANSWER;
case EC_STATE_PREPARE_ANSWER:
- cbk = fop->answer;
- if (cbk) {
- if (ec_dispatch_one_retry (fop, cbk)) {
- return EC_STATE_DISPATCH;
- } else if (cbk->op_ret >= 0) {
- ec_iatt_rebuild(fop->xl->private, &cbk->iatt[0], 1, 1);
- }
- } else {
- ec_fop_set_error(fop, EIO);
+ if (ec_dispatch_one_retry(fop, &cbk)) {
+ return EC_STATE_DISPATCH;
+ }
+
+ if ((cbk != NULL) && (cbk->op_ret >= 0)) {
+ ec_iatt_rebuild(fop->xl->private, &cbk->iatt[0], 1, 1);
}
return EC_STATE_REPORT;
@@ -1141,7 +1075,7 @@ int32_t ec_manager_readlink(ec_fop_data_t * fop, int32_t state)
return EC_STATE_END;
default:
- gf_msg (fop->xl->name, GF_LOG_ERROR, 0,
+ gf_msg (fop->xl->name, GF_LOG_ERROR, EINVAL,
EC_MSG_UNHANDLED_STATE, "Unhandled state %d for %s",
state, ec_fop_name(fop->id));
@@ -1155,7 +1089,7 @@ void ec_readlink(call_frame_t * frame, xlator_t * this, uintptr_t target,
{
ec_cbk_t callback = { .readlink = func };
ec_fop_data_t * fop = NULL;
- int32_t error = EIO;
+ int32_t error = ENOMEM;
gf_msg_trace ("ec", 0, "EC(READLINK) %p", frame);
@@ -1166,28 +1100,23 @@ void ec_readlink(call_frame_t * frame, xlator_t * this, uintptr_t target,
fop = ec_fop_data_allocate(frame, this, GF_FOP_READLINK, 0, target,
minimum, ec_wind_readlink, ec_manager_readlink,
callback, data);
- if (fop == NULL)
- {
+ if (fop == NULL) {
goto out;
}
fop->size = size;
- if (loc != NULL)
- {
- if (loc_copy(&fop->loc[0], loc) != 0)
- {
- gf_msg (this->name, GF_LOG_ERROR, 0,
+ if (loc != NULL) {
+ if (loc_copy(&fop->loc[0], loc) != 0) {
+ gf_msg (this->name, GF_LOG_ERROR, ENOMEM,
EC_MSG_LOC_COPY_FAIL, "Failed to copy a location.");
goto out;
}
}
- if (xdata != NULL)
- {
+ if (xdata != NULL) {
fop->xdata = dict_ref(xdata);
- if (fop->xdata == NULL)
- {
+ if (fop->xdata == NULL) {
gf_msg (this->name, GF_LOG_ERROR, 0,
EC_MSG_DICT_REF_FAIL, "Failed to reference a "
"dictionary.");
@@ -1199,13 +1128,10 @@ void ec_readlink(call_frame_t * frame, xlator_t * this, uintptr_t target,
error = 0;
out:
- if (fop != NULL)
- {
+ if (fop != NULL) {
ec_manager(fop, error);
- }
- else
- {
- func(frame, NULL, this, -1, EIO, NULL, NULL, NULL);
+ } else {
+ func(frame, NULL, this, -1, error, NULL, NULL, NULL);
}
}
@@ -1218,17 +1144,18 @@ int32_t ec_readv_rebuild(ec_t * ec, ec_fop_data_t * fop, ec_cbk_data_t * cbk)
struct iobuf * iobuf = NULL;
uint8_t * buff = NULL, * ptr;
size_t fsize = 0, size = 0, max = 0;
- int32_t i = 0;
+ int32_t i = 0, err = -ENOMEM;
if (cbk->op_ret < 0) {
+ err = -cbk->op_errno;
+
goto out;
}
/* This shouldn't fail because we have the inode locked. */
GF_ASSERT(ec_get_inode_size(fop, fop->fd->inode, &cbk->iatt[0].ia_size));
- if (cbk->op_ret > 0)
- {
+ if (cbk->op_ret > 0) {
struct iovec vector[1];
uint8_t * blocks[cbk->count];
uint32_t values[cbk->count];
@@ -1236,30 +1163,26 @@ int32_t ec_readv_rebuild(ec_t * ec, ec_fop_data_t * fop, ec_cbk_data_t * cbk)
fsize = cbk->op_ret;
size = fsize * ec->fragments;
buff = GF_MALLOC(size, gf_common_mt_char);
- if (buff == NULL)
- {
+ if (buff == NULL) {
goto out;
}
ptr = buff;
- for (i = 0, ans = cbk; ans != NULL; i++, ans = ans->next)
- {
+ for (i = 0, ans = cbk; ans != NULL; i++, ans = ans->next) {
values[i] = ans->idx;
blocks[i] = ptr;
ptr += ec_iov_copy_to(ptr, ans->vector, ans->int32, 0, fsize);
}
iobref = iobref_new();
- if (iobref == NULL)
- {
+ if (iobref == NULL) {
goto out;
}
iobuf = iobuf_get2(fop->xl->ctx->iobuf_pool, size);
- if (iobuf == NULL)
- {
+ if (iobuf == NULL) {
goto out;
}
- if (iobref_add(iobref, iobuf) != 0)
- {
+ err = iobref_add(iobref, iobuf);
+ if (err != 0) {
goto out;
}
@@ -1276,18 +1199,15 @@ int32_t ec_readv_rebuild(ec_t * ec, ec_fop_data_t * fop, ec_cbk_data_t * cbk)
vector[0].iov_len -= fop->head;
max = fop->offset * ec->fragments + size;
- if (max > cbk->iatt[0].ia_size)
- {
+ if (max > cbk->iatt[0].ia_size) {
max = cbk->iatt[0].ia_size;
}
max -= fop->offset * ec->fragments + fop->head;
- if (max > fop->user_size)
- {
+ if (max > fop->user_size) {
max = fop->user_size;
}
size -= fop->head;
- if (size > max)
- {
+ if (size > max) {
vector[0].iov_len -= size - max;
size = max;
}
@@ -1300,29 +1220,23 @@ int32_t ec_readv_rebuild(ec_t * ec, ec_fop_data_t * fop, ec_cbk_data_t * cbk)
GF_FREE(cbk->vector);
cbk->vector = iov_dup(vector, 1);
- if (cbk->vector == NULL)
- {
- cbk->op_ret = -1;
- cbk->op_errno = EIO;
-
- return 0;
+ if (cbk->vector == NULL) {
+ return -ENOMEM;
}
}
- return 1;
+ return 0;
out:
- if (iobuf != NULL)
- {
+ if (iobuf != NULL) {
iobuf_unref(iobuf);
}
- if (iobref != NULL)
- {
+ if (iobref != NULL) {
iobref_unref(iobref);
}
GF_FREE(buff);
- return 0;
+ return err;
}
int32_t ec_combine_readv(ec_fop_data_t * fop, ec_cbk_data_t * dst,
@@ -1370,17 +1284,13 @@ int32_t ec_readv_cbk(call_frame_t * frame, void * cookie, xlator_t * this,
cbk = ec_cbk_data_allocate(frame, this, fop, GF_FOP_READ, idx, op_ret,
op_errno);
- if (cbk != NULL)
- {
- if (op_ret >= 0)
- {
+ if (cbk != NULL) {
+ if (op_ret >= 0) {
cbk->int32 = count;
- if (count > 0)
- {
+ if (count > 0) {
cbk->vector = iov_dup(vector, count);
- if (cbk->vector == NULL)
- {
+ if (cbk->vector == NULL) {
gf_msg (this->name, GF_LOG_ERROR, ENOMEM,
EC_MSG_NO_MEMORY, "Failed to duplicate a "
"vector list.");
@@ -1389,15 +1299,12 @@ int32_t ec_readv_cbk(call_frame_t * frame, void * cookie, xlator_t * this,
}
cbk->int32 = count;
}
- if (stbuf != NULL)
- {
+ if (stbuf != NULL) {
cbk->iatt[0] = *stbuf;
}
- if (iobref != NULL)
- {
+ if (iobref != NULL) {
cbk->buffers = iobref_ref(iobref);
- if (cbk->buffers == NULL)
- {
+ if (cbk->buffers == NULL) {
gf_msg (this->name, GF_LOG_ERROR, 0,
EC_MSG_BUF_REF_FAIL, "Failed to reference a "
"buffer.");
@@ -1406,11 +1313,9 @@ int32_t ec_readv_cbk(call_frame_t * frame, void * cookie, xlator_t * this,
}
}
}
- if (xdata != NULL)
- {
+ if (xdata != NULL) {
cbk->xdata = dict_ref(xdata);
- if (cbk->xdata == NULL)
- {
+ if (cbk->xdata == NULL) {
gf_msg (this->name, GF_LOG_ERROR, 0,
EC_MSG_DICT_REF_FAIL, "Failed to reference a "
"dictionary.");
@@ -1419,18 +1324,15 @@ int32_t ec_readv_cbk(call_frame_t * frame, void * cookie, xlator_t * this,
}
}
- if ((op_ret > 0) && ((op_ret % ec->fragment_size) != 0))
- {
- cbk->op_ret = -1;
- cbk->op_errno = EIO;
+ if ((op_ret > 0) && ((op_ret % ec->fragment_size) != 0)) {
+ ec_cbk_set_error(cbk, EIO, _gf_true);
}
ec_combine(cbk, ec_combine_readv);
}
out:
- if (fop != NULL)
- {
+ if (fop != NULL) {
ec_complete(fop);
}
@@ -1472,36 +1374,18 @@ int32_t ec_manager_readv(ec_fop_data_t * fop, int32_t state)
return EC_STATE_PREPARE_ANSWER;
case EC_STATE_PREPARE_ANSWER:
- cbk = fop->answer;
- if (cbk != NULL)
- {
- if (!ec_dict_combine(cbk, EC_COMBINE_XDATA))
- {
- if (cbk->op_ret >= 0)
- {
- cbk->op_ret = -1;
- cbk->op_errno = EIO;
- }
- }
- if (cbk->op_ret < 0)
- {
- ec_fop_set_error(fop, cbk->op_errno);
- }
- else
- {
- ec_iatt_rebuild(fop->xl->private, cbk->iatt, 1,
- cbk->count);
+ cbk = ec_fop_prepare_answer(fop, _gf_true);
+ if (cbk != NULL) {
+ int32_t err;
- if (!ec_readv_rebuild(fop->xl->private, fop, cbk))
- {
- ec_fop_set_error(fop, EIO);
- }
+ ec_iatt_rebuild(fop->xl->private, cbk->iatt, 1,
+ cbk->count);
+
+ err = ec_readv_rebuild(fop->xl->private, fop, cbk);
+ if (err != 0) {
+ ec_cbk_set_error(cbk, -err, _gf_true);
}
}
- else
- {
- ec_fop_set_error(fop, EIO);
- }
return EC_STATE_REPORT;
@@ -1547,7 +1431,7 @@ int32_t ec_manager_readv(ec_fop_data_t * fop, int32_t state)
return EC_STATE_END;
default:
- gf_msg (fop->xl->name, GF_LOG_ERROR, 0,
+ gf_msg (fop->xl->name, GF_LOG_ERROR, EINVAL,
EC_MSG_UNHANDLED_STATE, "Unhandled state %d for %s",
state, ec_fop_name(fop->id));
@@ -1561,7 +1445,7 @@ void ec_readv(call_frame_t * frame, xlator_t * this, uintptr_t target,
{
ec_cbk_t callback = { .readv = func };
ec_fop_data_t * fop = NULL;
- int32_t error = EIO;
+ int32_t error = ENOMEM;
gf_msg_trace ("ec", 0, "EC(READ) %p", frame);
@@ -1572,8 +1456,7 @@ void ec_readv(call_frame_t * frame, xlator_t * this, uintptr_t target,
fop = ec_fop_data_allocate(frame, this, GF_FOP_READ, EC_FLAG_UPDATE_FD,
target, minimum, ec_wind_readv,
ec_manager_readv, callback, data);
- if (fop == NULL)
- {
+ if (fop == NULL) {
goto out;
}
@@ -1583,11 +1466,9 @@ void ec_readv(call_frame_t * frame, xlator_t * this, uintptr_t target,
fop->offset = offset;
fop->uint32 = flags;
- if (fd != NULL)
- {
+ if (fd != NULL) {
fop->fd = fd_ref(fd);
- if (fop->fd == NULL)
- {
+ if (fop->fd == NULL) {
gf_msg (this->name, GF_LOG_ERROR, 0,
EC_MSG_FILE_DESC_REF_FAIL, "Failed to reference a "
"file descriptor.");
@@ -1595,11 +1476,9 @@ void ec_readv(call_frame_t * frame, xlator_t * this, uintptr_t target,
goto out;
}
}
- if (xdata != NULL)
- {
+ if (xdata != NULL) {
fop->xdata = dict_ref(xdata);
- if (fop->xdata == NULL)
- {
+ if (fop->xdata == NULL) {
gf_msg (this->name, GF_LOG_ERROR, 0,
EC_MSG_DICT_REF_FAIL, "Failed to reference a "
"dictionary.");
@@ -1611,13 +1490,10 @@ void ec_readv(call_frame_t * frame, xlator_t * this, uintptr_t target,
error = 0;
out:
- if (fop != NULL)
- {
+ if (fop != NULL) {
ec_manager(fop, error);
- }
- else
- {
- func(frame, NULL, this, -1, EIO, NULL, 0, NULL, NULL, NULL);
+ } else {
+ func(frame, NULL, this, -1, error, NULL, 0, NULL, NULL, NULL);
}
}
@@ -1723,20 +1599,9 @@ int32_t ec_manager_stat(ec_fop_data_t * fop, int32_t state)
return EC_STATE_PREPARE_ANSWER;
case EC_STATE_PREPARE_ANSWER:
- cbk = fop->answer;
- if (cbk != NULL)
- {
- if (!ec_dict_combine(cbk, EC_COMBINE_XDATA))
- {
- if (cbk->op_ret >= 0)
- {
- cbk->op_ret = -1;
- cbk->op_errno = EIO;
- }
- }
- if (cbk->op_ret < 0) {
- ec_fop_set_error(fop, cbk->op_errno);
- } else if (cbk->iatt[0].ia_type == IA_IFREG) {
+ cbk = ec_fop_prepare_answer(fop, _gf_true);
+ if (cbk != NULL) {
+ if (cbk->iatt[0].ia_type == IA_IFREG) {
ec_iatt_rebuild(fop->xl->private, cbk->iatt, 1,
cbk->count);
@@ -1746,10 +1611,6 @@ int32_t ec_manager_stat(ec_fop_data_t * fop, int32_t state)
&cbk->iatt[0].ia_size));
}
}
- else
- {
- ec_fop_set_error(fop, EIO);
- }
return EC_STATE_REPORT;
@@ -1816,7 +1677,7 @@ int32_t ec_manager_stat(ec_fop_data_t * fop, int32_t state)
return EC_STATE_END;
default:
- gf_msg (fop->xl->name, GF_LOG_ERROR, 0,
+ gf_msg (fop->xl->name, GF_LOG_ERROR, EINVAL,
EC_MSG_UNHANDLED_STATE, "Unhandled state %d for %s",
state, ec_fop_name(fop->id));
@@ -1830,7 +1691,7 @@ void ec_stat(call_frame_t * frame, xlator_t * this, uintptr_t target,
{
ec_cbk_t callback = { .stat = func };
ec_fop_data_t * fop = NULL;
- int32_t error = EIO;
+ int32_t error = ENOMEM;
gf_msg_trace ("ec", 0, "EC(STAT) %p", frame);
@@ -1841,26 +1702,21 @@ void ec_stat(call_frame_t * frame, xlator_t * this, uintptr_t target,
fop = ec_fop_data_allocate(frame, this, GF_FOP_STAT,
EC_FLAG_UPDATE_LOC_INODE, target, minimum,
ec_wind_stat, ec_manager_stat, callback, data);
- if (fop == NULL)
- {
+ if (fop == NULL) {
goto out;
}
- if (loc != NULL)
- {
- if (loc_copy(&fop->loc[0], loc) != 0)
- {
- gf_msg (this->name, GF_LOG_ERROR, 0,
+ if (loc != NULL) {
+ if (loc_copy(&fop->loc[0], loc) != 0) {
+ gf_msg (this->name, GF_LOG_ERROR, ENOMEM,
EC_MSG_LOC_COPY_FAIL, "Failed to copy a location.");
goto out;
}
}
- if (xdata != NULL)
- {
+ if (xdata != NULL) {
fop->xdata = dict_ref(xdata);
- if (fop->xdata == NULL)
- {
+ if (fop->xdata == NULL) {
gf_msg (this->name, GF_LOG_ERROR, 0,
EC_MSG_DICT_REF_FAIL, "Failed to reference a "
"dictionary.");
@@ -1872,13 +1728,10 @@ void ec_stat(call_frame_t * frame, xlator_t * this, uintptr_t target,
error = 0;
out:
- if (fop != NULL)
- {
+ if (fop != NULL) {
ec_manager(fop, error);
- }
- else
- {
- func(frame, NULL, this, -1, EIO, NULL, NULL);
+ } else {
+ func(frame, NULL, this, -1, error, NULL, NULL);
}
}
@@ -1953,7 +1806,7 @@ void ec_fstat(call_frame_t * frame, xlator_t * this, uintptr_t target,
{
ec_cbk_t callback = { .fstat = func };
ec_fop_data_t * fop = NULL;
- int32_t error = EIO;
+ int32_t error = ENOMEM;
gf_msg_trace ("ec", 0, "EC(FSTAT) %p", frame);
@@ -1964,18 +1817,15 @@ void ec_fstat(call_frame_t * frame, xlator_t * this, uintptr_t target,
fop = ec_fop_data_allocate(frame, this, GF_FOP_FSTAT,
EC_FLAG_UPDATE_FD_INODE, target, minimum,
ec_wind_fstat, ec_manager_stat, callback, data);
- if (fop == NULL)
- {
+ if (fop == NULL) {
goto out;
}
fop->use_fd = 1;
- if (fd != NULL)
- {
+ if (fd != NULL) {
fop->fd = fd_ref(fd);
- if (fop->fd == NULL)
- {
+ if (fop->fd == NULL) {
gf_msg (this->name, GF_LOG_ERROR, 0,
EC_MSG_FILE_DESC_REF_FAIL, "Failed to reference a "
"file descriptor.");
@@ -1983,11 +1833,9 @@ void ec_fstat(call_frame_t * frame, xlator_t * this, uintptr_t target,
goto out;
}
}
- if (xdata != NULL)
- {
+ if (xdata != NULL) {
fop->xdata = dict_ref(xdata);
- if (fop->xdata == NULL)
- {
+ if (fop->xdata == NULL) {
gf_msg (this->name, GF_LOG_ERROR, 0,
EC_MSG_DICT_REF_FAIL, "Failed to reference a "
"dictionary.");
@@ -1999,12 +1847,9 @@ void ec_fstat(call_frame_t * frame, xlator_t * this, uintptr_t target,
error = 0;
out:
- if (fop != NULL)
- {
+ if (fop != NULL) {
ec_manager(fop, error);
- }
- else
- {
- func(frame, NULL, this, -1, EIO, NULL, NULL);
+ } else {
+ func(frame, NULL, this, -1, error, NULL, NULL);
}
}
generated by cgit (git 2.34.1) at 2024-11-11 12:42:41 +0000