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| author | Steven Whitehouse <swhiteho@redhat.com> | 2009-01-12 10:43:39 +0000 |
|---|---|---|
| committer | Steven Whitehouse <steve@dolmen.chygwyn.com> | 2009-03-24 11:21:14 +0000 |
| commit | f057f6cdf64175db1151b1f5d110e29904f119a1 (patch) | |
| tree | 582dbf358e351f64977620c29ebf772d693b1948 /fs/gfs2/main.c | |
| parent | 22077f57dec8fcbeb1112b35313961c0902ff038 (diff) | |
| download | linux-3.10-f057f6cdf64175db1151b1f5d110e29904f119a1.tar.gz linux-3.10-f057f6cdf64175db1151b1f5d110e29904f119a1.tar.bz2 linux-3.10-f057f6cdf64175db1151b1f5d110e29904f119a1.zip | |
GFS2: Merge lock_dlm module into GFS2
This is the big patch that I've been working on for some time
now. There are many reasons for wanting to make this change
such as:
o Reducing overhead by eliminating duplicated fields between structures
o Simplifcation of the code (reduces the code size by a fair bit)
o The locking interface is now the DLM interface itself as proposed
some time ago.
o Fewer lookups of glocks when processing replies from the DLM
o Fewer memory allocations/deallocations for each glock
o Scope to do further optimisations in the future (but this patch is
more than big enough for now!)
Please note that (a) this patch relates to the lock_dlm module and
not the DLM itself, that is still a separate module; and (b) that
we retain the ability to build GFS2 as a standalone single node
filesystem with out requiring the DLM.
This patch needs a lot of testing, hence my keeping it I restarted
my -git tree after the last merge window. That way, this has the maximum
exposure before its merged. This is (modulo a few minor bug fixes) the
same patch that I've been posting on and off the the last three months
and its passed a number of different tests so far.
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/main.c')
| -rw-r--r-- | fs/gfs2/main.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/fs/gfs2/main.c b/fs/gfs2/main.c index 86fe0679871..a6892ed0840 100644 --- a/fs/gfs2/main.c +++ b/fs/gfs2/main.c @@ -14,7 +14,6 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/gfs2_ondisk.h> -#include <linux/lm_interface.h> #include <asm/atomic.h> #include "gfs2.h" @@ -47,8 +46,6 @@ static void gfs2_init_glock_once(void *foo) INIT_HLIST_NODE(&gl->gl_list); spin_lock_init(&gl->gl_spin); INIT_LIST_HEAD(&gl->gl_holders); - gl->gl_lvb = NULL; - atomic_set(&gl->gl_lvb_count, 0); INIT_LIST_HEAD(&gl->gl_lru); INIT_LIST_HEAD(&gl->gl_ail_list); atomic_set(&gl->gl_ail_count, 0); |