[Bugs] [Bug 1193929] GlusterFS can be improved

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1193929



--- Comment #301 from Worker Ant <bugzilla-bot at gluster.org> ---
COMMIT: https://review.gluster.org/21003 committed in master by "Amar Tumballi"
<amarts at redhat.com> with a commit message- multiple files: remove unndeeded
memset()

This is a squash of multiple commits:

contrib/fuse-lib/misc.c: remove unneeded memset()

All flock variables are properly set, no need to memset it.

Only compile-tested!

Signed-off-by: Yaniv Kaul <ykaul at redhat.com>

Change-Id: I8e0512c5a88daadb0e587f545fdb9b32ca8858a2

libglusterfs/src/{client_t|fd|inode|stack}.c: remove some memset()

I don't think there's a need for any of them.

Only compile-tested!

Signed-off-by: Yaniv Kaul <ykaul at redhat.com>

Change-Id: I2be9ccc3a5cb5da51a92af73488cdabd1c527f59

libglusterfs/src/xlator.c: remove unneeded memset()

All xl->mem_acct members are properly set,
no need to memset it.

Only compile-tested!

Signed-off-by: Yaniv Kaul <ykaul at redhat.com>

Change-Id: I7f264cd47e7a06255a3f3943c583de77ae8e3147

xlators/cluster/afr/src/afr-self-heal-common.c: remove unneeded memset()

Since we are going over the whole array anyway, initialize it
properly, to either 1 or 0.

Only compile-tested!

Signed-off-by: Yaniv Kaul <ykaul at redhat.com>

Change-Id: Ied4210388976b6a7a2e91cc3de334534d6fef201

xlators/cluster/dht/src/dht-common.c: remove unneeded memset()

Since we are going over the whole array anyway it is initialized
properly.

Only compile-tested!

Signed-off-by: Yaniv Kaul <ykaul at redhat.com>

Change-Id: Idc436d2bd0563b6582908d7cbebf9dbc66a42c9a

xlators/cluster/ec/src/ec-helpers.c: remove unneeded memset()

Since we are going over the whole array anyway it is initialized
properly.

Only compile-tested!

Signed-off-by: Yaniv Kaul <ykaul at redhat.com>

Change-Id: I81bf971f7fcecb4599e807d37f426f55711978fa

xlators/mgmt/glusterd/src/glusterd-volgen.c: remove some memset()

I don't think there's a need for any of them.

Only compile-tested!

Signed-off-by: Yaniv Kaul <ykaul at redhat.com>

Change-Id: I476ea59ba53546b5153c269692cd5383da81ce2d

xlators/mgmt/glusterd/src/glusterd-geo-rep.c: read() in 4K blocks

The current 1K seems small. 4K is usually better (in Linux).

Also remove a memset() that I don't think is needed between reads.

Only compile-tested!

Signed-off-by: Yaniv Kaul <ykaul at redhat.com>

Change-Id: I5fb7950c92d282948376db14919ad12e589eac2b

xlators/storage/posix/src/posix-{gfid-path|inode-fd-ops}.c: remove memset()
before sys_*xattr() functions.

I don't see a reason to memset the array sent to the functions
sys_llistxattr(), sys_lgetxattr(), sys_lgetxattr(), sys_flistxattr(),
sys_fgetxattr().

(Note: it's unclear to me why we are calling sys_*txattr() functions with
XATTR_VAL_BUF_SIZE-1 size instead of XATTR_VAL_BUF_SIZE ).

Only compile-tested!

Change-Id: Ief2103b56ba6c71e40ed343a93684eef6b771346
updates: bz#1193929
Signed-off-by: Yaniv Kaul <ykaul at redhat.com>

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