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authorAnand Avati <avati@redhat.com>2013-11-25 03:08:19 -0800
committerAnand Avati <avati@redhat.com>2013-11-26 10:31:17 -0800
commitc9579c4501a5d316f71fc44fd46a53060a4eed0c (patch)
tree67e8be358ba357f9f2e3be1fd49cd3a5a3713ebd /libglusterfs/src/iobuf.h
parent9da4958b7853f36a137c80493bec932b79d85e84 (diff)
iobufs: make iobref container size dynamic
With gfapi we can receive read/write size beyond the natural limits of FUSE and NFS server. iobref was hardcoded to hold iobuf refs up to 16 in count, which imposes a natural limit of 2MB with 128KB page sizes of read-ahead and io-cache. Fix this by making iobref's iobuf ref container size dynamic. Change-Id: I93d88104d6c5e7af96cc9f1bfcc870d80fa81dad BUG: 1034398 Signed-off-by: Anand Avati <avati@redhat.com> Reviewed-on: http://review.gluster.org/6348 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Amar Tumballi <amarts@gmail.com>
Diffstat (limited to 'libglusterfs/src/iobuf.h')
-rw-r--r--libglusterfs/src/iobuf.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/libglusterfs/src/iobuf.h b/libglusterfs/src/iobuf.h
index 5595309e1cd..4e07910d722 100644
--- a/libglusterfs/src/iobuf.h
+++ b/libglusterfs/src/iobuf.h
@@ -18,7 +18,6 @@
#include <sys/uio.h>
#define GF_VARIABLE_IOBUF_COUNT 32
-#define GF_IOBREF_IOBUF_COUNT 16
/* Lets try to define the new anonymous mapping
* flag, in case the system is still using the
@@ -142,7 +141,9 @@ void iobuf_to_iovec(struct iobuf *iob, struct iovec *iov);
struct iobref {
gf_lock_t lock;
int ref;
- struct iobuf *iobrefs[GF_IOBREF_IOBUF_COUNT];
+ struct iobuf **iobrefs;
+ int alloced;
+ int used;
};
struct iobref *iobref_new ();