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authorRaghavendra Bhat <raghavendra@redhat.com>2012-07-16 03:51:10 +0530
committerAnand Avati <avati@redhat.com>2012-07-17 08:26:10 -0700
commit24717f14fa9e409f01f89c0905163b0db1e40729 (patch)
treef093ca5079addfcf1a52d530632cf8d030e0757b /xlators
parent3a96dcf9633bc097694a2f7a3acd0b08f830ef5e (diff)
storage/posix: use ssize_t variable to get the return value of getxattr
Change-Id: Ida065e108a1d2a61b134fb847e8c4981b46fc3c6 BUG: 838195 Signed-off-by: Raghavendra Bhat <raghavendra@redhat.com> Reviewed-on: http://review.gluster.com/3673 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Kaleb KEITHLEY <kkeithle@redhat.com> Reviewed-by: Anand Avati <avati@redhat.com>
Diffstat (limited to 'xlators')
-rw-r--r--xlators/storage/posix/src/posix-helpers.c25
-rw-r--r--xlators/storage/posix/src/posix.c83
2 files changed, 63 insertions, 45 deletions
diff --git a/xlators/storage/posix/src/posix-helpers.c b/xlators/storage/posix/src/posix-helpers.c
index 3c19ba7a3fd..c1fc9721e5d 100644
--- a/xlators/storage/posix/src/posix-helpers.c
+++ b/xlators/storage/posix/src/posix-helpers.c
@@ -213,9 +213,9 @@ _posix_xattr_get_set (dict_t *xattr_req,
if (!value)
return;
- ret = sys_lgetxattr (filler->real_path, key, value,
- xattr_size);
- if (ret <= 0) {
+ xattr_size = sys_lgetxattr (filler->real_path, key, value,
+ xattr_size);
+ if (xattr_size <= 0) {
gf_log (filler->this->name, GF_LOG_WARNING,
"getxattr failed. path: %s, key: %s",
filler->real_path, key);
@@ -243,14 +243,17 @@ int
posix_fill_gfid_path (xlator_t *this, const char *path, struct iatt *iatt)
{
int ret = 0;
+ ssize_t size = 0;
if (!iatt)
return 0;
- ret = sys_lgetxattr (path, GFID_XATTR_KEY, iatt->ia_gfid, 16);
+ size = sys_lgetxattr (path, GFID_XATTR_KEY, iatt->ia_gfid, 16);
/* Return value of getxattr */
- if ((ret == 16) || (ret == -1))
+ if ((size == 16) || (size == -1))
ret = 0;
+ else
+ ret = size;
return ret;
}
@@ -260,14 +263,17 @@ int
posix_fill_gfid_fd (xlator_t *this, int fd, struct iatt *iatt)
{
int ret = 0;
+ ssize_t size = 0;
if (!iatt)
return 0;
- ret = sys_fgetxattr (fd, GFID_XATTR_KEY, iatt->ia_gfid, 16);
+ size = sys_fgetxattr (fd, GFID_XATTR_KEY, iatt->ia_gfid, 16);
/* Return value of getxattr */
- if ((ret == 16) || (ret == -1))
+ if ((size == 16) || (size == -1))
ret = 0;
+ else
+ ret = size;
return ret;
}
@@ -451,6 +457,7 @@ posix_gfid_set (xlator_t *this, const char *path, loc_t *loc, dict_t *xattr_req)
void *uuid_req = NULL;
uuid_t uuid_curr;
int ret = 0;
+ ssize_t size = 0;
struct stat stat = {0, };
@@ -460,8 +467,8 @@ posix_gfid_set (xlator_t *this, const char *path, loc_t *loc, dict_t *xattr_req)
if (sys_lstat (path, &stat) != 0)
goto out;
- ret = sys_lgetxattr (path, GFID_XATTR_KEY, uuid_curr, 16);
- if (ret == 16) {
+ size = sys_lgetxattr (path, GFID_XATTR_KEY, uuid_curr, 16);
+ if (size == 16) {
ret = 0;
goto verify_handle;
}
diff --git a/xlators/storage/posix/src/posix.c b/xlators/storage/posix/src/posix.c
index ce0f0be0a13..371e8d4bc6d 100644
--- a/xlators/storage/posix/src/posix.c
+++ b/xlators/storage/posix/src/posix.c
@@ -2591,8 +2591,9 @@ posix_getxattr (call_frame_t *frame, xlator_t *this,
op_ret = -1;
goto out;
}
- op_ret = sys_lgetxattr (real_path, key, value, size);
- if (op_ret == -1) {
+ size = sys_lgetxattr (real_path, key, value, size);
+ if (size == -1) {
+ op_ret = -1;
op_errno = errno;
gf_log (this->name, GF_LOG_ERROR, "getxattr failed on "
"%s: key = %s (%s)", real_path, key,
@@ -2600,8 +2601,8 @@ posix_getxattr (call_frame_t *frame, xlator_t *this,
GF_FREE (value);
goto out;
}
- value [op_ret] = '\0';
- op_ret = dict_set_dynptr (dict, key, value, op_ret);
+ value [size] = '\0';
+ op_ret = dict_set_dynptr (dict, key, value, size);
if (op_ret < 0) {
gf_log (this->name, GF_LOG_ERROR, "dict set operation "
"on %s for the key %s failed.", real_path, key);
@@ -2649,8 +2650,9 @@ posix_getxattr (call_frame_t *frame, xlator_t *this,
break;
strcpy (key, list + list_offset);
- op_ret = sys_lgetxattr (real_path, key, NULL, 0);
- if (op_ret == -1) {
+ size = sys_lgetxattr (real_path, key, NULL, 0);
+ if (size == -1) {
+ op_ret = -1;
op_errno = errno;
gf_log (this->name, GF_LOG_ERROR, "getxattr failed on "
"%s: key = %s (%s)", real_path, key,
@@ -2665,8 +2667,9 @@ posix_getxattr (call_frame_t *frame, xlator_t *this,
goto out;
}
- op_ret = sys_lgetxattr (real_path, key, value, op_ret);
- if (op_ret == -1) {
+ size = sys_lgetxattr (real_path, key, value, size);
+ if (size == -1) {
+ op_ret = -1;
op_errno = errno;
gf_log (this->name, GF_LOG_ERROR, "getxattr failed on "
"%s: key = %s (%s)", real_path, key,
@@ -2675,8 +2678,8 @@ posix_getxattr (call_frame_t *frame, xlator_t *this,
break;
}
- value [op_ret] = '\0';
- op_ret = dict_set_dynptr (dict, key, value, op_ret);
+ value [size] = '\0';
+ op_ret = dict_set_dynptr (dict, key, value, size);
if (op_ret < 0) {
gf_log (this->name, GF_LOG_ERROR, "dict set operation "
"on %s for the key %s failed.", real_path, key);
@@ -2774,8 +2777,9 @@ posix_fgetxattr (call_frame_t *frame, xlator_t *this,
op_ret = -1;
goto out;
}
- op_ret = sys_fgetxattr (_fd, key, value, op_ret);
- if (op_ret == -1) {
+ size = sys_fgetxattr (_fd, key, value, size);
+ if (size == -1) {
+ op_ret = -1;
op_errno = errno;
gf_log (this->name, GF_LOG_ERROR, "fgetxattr failed on "
"fd %p for the key %s (%s)", fd, key,
@@ -2783,8 +2787,8 @@ posix_fgetxattr (call_frame_t *frame, xlator_t *this,
GF_FREE (value);
goto out;
}
- value [op_ret] = '\0';
- op_ret = dict_set_dynptr (dict, key, value, op_ret);
+ value [size] = '\0';
+ op_ret = dict_set_dynptr (dict, key, value, size);
if (op_ret < 0) {
gf_log (this->name, GF_LOG_ERROR, "dict set operation "
"on key %s failed", key);
@@ -2830,8 +2834,9 @@ posix_fgetxattr (call_frame_t *frame, xlator_t *this,
break;
strcpy (key, list + list_offset);
- op_ret = sys_fgetxattr (_fd, key, NULL, 0);
- if (op_ret == -1) {
+ size = sys_fgetxattr (_fd, key, NULL, 0);
+ if (size == -1) {
+ op_ret = -1;
op_errno = errno;
gf_log (this->name, GF_LOG_ERROR, "fgetxattr failed on "
"fd %p for the key %s (%s)", fd, key,
@@ -2842,12 +2847,14 @@ posix_fgetxattr (call_frame_t *frame, xlator_t *this,
value = GF_CALLOC (op_ret + 1, sizeof(char),
gf_posix_mt_char);
if (!value) {
+ op_ret = -1;
op_errno = errno;
goto out;
}
- op_ret = sys_fgetxattr (_fd, key, value, op_ret);
- if (op_ret == -1) {
+ size = sys_fgetxattr (_fd, key, value, size);
+ if (size == -1) {
+ op_ret = -1;
op_errno = errno;
gf_log (this->name, GF_LOG_ERROR, "fgetxattr failed on "
"the fd %p for the key %s (%s)", fd, key,
@@ -2856,8 +2863,8 @@ posix_fgetxattr (call_frame_t *frame, xlator_t *this,
break;
}
- value [op_ret] = '\0';
- op_ret = dict_set_dynptr (dict, key, value, op_ret);
+ value [size] = '\0';
+ op_ret = dict_set_dynptr (dict, key, value, size);
if (op_ret) {
gf_log (this->name, GF_LOG_ERROR, "dict set operation "
"failed on key %s", key);
@@ -3956,6 +3963,7 @@ init (xlator_t *this)
int dict_ret = 0;
int ret = 0;
int op_ret = -1;
+ ssize_t size = -1;
int32_t janitor_sleep = 0;
uuid_t old_uuid = {0,};
uuid_t dict_uuid = {0,};
@@ -4042,9 +4050,9 @@ init (xlator_t *this)
ret = -1;
goto out;
}
- op_ret = sys_lgetxattr (dir_data->data,
- "trusted.glusterfs.volume-id", old_uuid, 16);
- if (op_ret == 16) {
+ size = sys_lgetxattr (dir_data->data,
+ "trusted.glusterfs.volume-id", old_uuid, 16);
+ if (size == 16) {
if (uuid_compare (old_uuid, dict_uuid)) {
gf_log (this->name, GF_LOG_ERROR,
"mismatching volume-id (%s) received. "
@@ -4053,22 +4061,23 @@ init (xlator_t *this)
ret = -1;
goto out;
}
- } else if ((op_ret == -1) && (errno == ENODATA)) {
+ } else if ((size == -1) && (errno == ENODATA)) {
/* Using the export for first time */
- op_ret = sys_lsetxattr (dir_data->data,
+ size = sys_lsetxattr (dir_data->data,
"trusted.glusterfs.volume-id",
dict_uuid, 16, 0);
- if (op_ret == -1) {
+ if (size == -1) {
gf_log (this->name, GF_LOG_ERROR,
"failed to set volume id on export");
ret = -1;
goto out;
}
- } else if ((op_ret == -1) && (errno != ENODATA)) {
+ } else if ((size == -1) && (errno != ENODATA)) {
/* Wrong 'volume-id' is set, it should be error */
gf_log (this->name, GF_LOG_WARNING,
"%s: failed to fetch volume-id (%s)",
dir_data->data, strerror (errno));
+ ret = -1;
goto out;
} else {
ret = -1;
@@ -4080,8 +4089,8 @@ init (xlator_t *this)
/* Now check if the export directory has some other 'gfid',
other than that of root '/' */
- ret = sys_lgetxattr (dir_data->data, "trusted.gfid", gfid, 16);
- if (ret == 16) {
+ size = sys_lgetxattr (dir_data->data, "trusted.gfid", gfid, 16);
+ if (size == 16) {
if (!__is_root_gfid (gfid)) {
gf_log (this->name, GF_LOG_WARNING,
"%s: gfid (%s) is not that of glusterfs '/' ",
@@ -4089,34 +4098,36 @@ init (xlator_t *this)
ret = -1;
goto out;
}
- } else if (ret != -1) {
+ } else if (size != -1) {
/* Wrong 'gfid' is set, it should be error */
gf_log (this->name, GF_LOG_WARNING,
"%s: wrong value set as gfid",
dir_data->data);
ret = -1;
goto out;
- } else if ((ret == -1) && (errno != ENODATA)) {
+ } else if ((size == -1) && (errno != ENODATA)) {
/* Wrong 'gfid' is set, it should be error */
gf_log (this->name, GF_LOG_WARNING,
"%s: failed to fetch gfid (%s)",
dir_data->data, strerror (errno));
+ ret = -1;
goto out;
} else {
/* First time volume, set the GFID */
- ret = sys_lsetxattr (dir_data->data, "trusted.gfid", rootgfid,
+ size = sys_lsetxattr (dir_data->data, "trusted.gfid", rootgfid,
16, XATTR_CREATE);
- if (ret) {
+ if (size) {
gf_log (this->name, GF_LOG_ERROR,
"%s: failed to set gfid (%s)",
dir_data->data, strerror (errno));
+ ret = -1;
goto out;
}
}
- op_ret = sys_lgetxattr (dir_data->data, "system.posix_acl_access",
- NULL, 0);
- if ((op_ret < 0) && (errno == ENOTSUP))
+ size = sys_lgetxattr (dir_data->data, "system.posix_acl_access",
+ NULL, 0);
+ if ((size < 0) && (errno == ENOTSUP))
gf_log (this->name, GF_LOG_WARNING,
"Posix access control list is not supported.");