diff options
| author | Kaushal M <kaushal@redhat.com> | 2013-07-22 19:14:56 +0530 | 
|---|---|---|
| committer | Vijay Bellur <vbellur@redhat.com> | 2013-07-23 00:26:36 -0700 | 
| commit | fa787929ba37e483ad041e090a82c14e3b7de900 (patch) | |
| tree | 9283292bf0948a9feeb04eefe3dc3d3356bebd43 | |
| parent | 950371be29d029179ac5cd0ad2dfdbfcd4467b96 (diff) | |
glusterfsd: Use dynamic volfile buffer
Glusterfsd used a fixed buffer to store volfiles fetched via getspec.
This caused problems with large volfiles. Changining this to a dynamic
buffer allows large volfiles to be loaded in memory.
Change-Id: I40236dcb1c37b9a0136dfb5231cafabb3d4f00dc
BUG: 986100
Signed-off-by: Kaushal M <kaushal@redhat.com>
Reviewed-on: http://review.gluster.org/5373
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
| -rw-r--r-- | glusterfsd/src/glusterfsd-mgmt.c | 21 | 
1 files changed, 20 insertions, 1 deletions
diff --git a/glusterfsd/src/glusterfsd-mgmt.c b/glusterfsd/src/glusterfsd-mgmt.c index f91cdc46ebe..4d9ddafea49 100644 --- a/glusterfsd/src/glusterfsd-mgmt.c +++ b/glusterfsd/src/glusterfsd-mgmt.c @@ -1327,7 +1327,7 @@ out:  /* XXX: move these into @ctx */ -static char oldvolfile[131072]; +static char *oldvolfile = NULL;  static int oldvollen = 0;  static int @@ -1522,6 +1522,7 @@ mgmt_getspec_cbk (struct rpc_req *req, struct iovec *iov, int count,          int                      ret   = 0;          ssize_t                  size = 0;          FILE                    *tmpfp = NULL; +        char                    *volfilebuf = NULL;          frame = myframe;          ctx = frame->this->ctx; @@ -1579,6 +1580,15 @@ mgmt_getspec_cbk (struct rpc_req *req, struct iovec *iov, int count,          if (ret == 0) {                  gf_log ("glusterfsd-mgmt", GF_LOG_DEBUG,                          "No need to re-load volfile, reconfigure done"); +                if (oldvolfile) +                        volfilebuf = GF_REALLOC (oldvolfile, size); +                else +                        volfilebuf = GF_CALLOC (1, size, gf_common_mt_char); +                if (!volfilebuf) { +                        ret = -1; +                        goto out; +                } +                oldvolfile = volfilebuf;                  oldvollen = size;                  memcpy (oldvolfile, rsp.spec, size);                  goto out; @@ -1595,6 +1605,15 @@ mgmt_getspec_cbk (struct rpc_req *req, struct iovec *iov, int count,          if (ret)                  goto out; +        if (oldvolfile) +                volfilebuf = GF_REALLOC (oldvolfile, size); +        else +                volfilebuf = GF_CALLOC (1, size, gf_common_mt_char); +        if (!volfilebuf) { +                ret = -1; +                goto out; +        } +        oldvolfile = volfilebuf;          oldvollen = size;          memcpy (oldvolfile, rsp.spec, size);          if (!is_mgmt_rpc_reconnect) {  | 
