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gpfs.so: Add gpfs:syncio option

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This enables optimizations for shared file access on gpfs
This commit is contained in:
Gregor Beck 2011-05-05 16:28:58 +02:00 committed by Volker Lendecke
parent a2115b5626
commit 2ddfbbbdba
1 changed files with 13 additions and 0 deletions
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13
source3/modules/vfs_gpfs.c
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@ -32,6 +32,7 @@
#include <gpfs_gpl.h>
#include "nfs4_acls.h"
#include "vfs_gpfs.h"
#include "system/filesys.h"
struct gpfs_config_data {
bool sharemodes;
@ -1299,6 +1300,17 @@ static uint32_t vfs_gpfs_capabilities(struct vfs_handle_struct *handle,
return next;
}
static int vfs_gpfs_open(struct vfs_handle_struct *handle,
struct smb_filename *smb_fname, files_struct *fsp,
int flags, mode_t mode)
{
if (lp_parm_bool(fsp->conn->params->service, "gpfs", "syncio",
false)) {
flags |= O_SYNC;
}
return SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
}
static struct vfs_fn_pointers vfs_gpfs_fns = {
.connect_fn = vfs_gpfs_connect,
@ -1326,6 +1338,7 @@ static struct vfs_fn_pointers vfs_gpfs_fns = {
.is_offline = vfs_gpfs_is_offline,
.aio_force = vfs_gpfs_aio_force,
.sendfile = vfs_gpfs_sendfile,
.open_fn = vfs_gpfs_open,
.ftruncate = vfs_gpfs_ftruncate
};