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authorChristoph Hellwig <hch@infradead.org>2007-08-30 17:19:57 +1000
committerTim Shimmin <tes@chook.melbourne.sgi.com>2007-10-16 11:43:26 +1000
commitb09cc77109dbf33463480952de10511a2b67bba6 (patch)
tree722ed205af03de0f33b955aeb3a573565242497a /fs/xfs/xfs_qmops.c
parent293688ec420f1160ed93ea4c7948ed5baf8bafa7 (diff)
downloadop-kernel-dev-b09cc77109dbf33463480952de10511a2b67bba6.zip
op-kernel-dev-b09cc77109dbf33463480952de10511a2b67bba6.tar.gz
[XFS] remove dependency of the quota module on behaviors
Mount options are now parsed by the main XFS module and rejected if quota support is not available, and there are some new quota operation for the quotactl syscall and calls to quote in the mount, unmount and sync callchains. SGI-PV: 969608 SGI-Modid: xfs-linux-melb:xfs-kern:29503a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_qmops.c')
-rw-r--r--fs/xfs/xfs_qmops.c38
1 files changed, 37 insertions, 1 deletions
diff --git a/fs/xfs/xfs_qmops.c b/fs/xfs/xfs_qmops.c
index 0d594ed..ea08bd8 100644
--- a/fs/xfs/xfs_qmops.c
+++ b/fs/xfs/xfs_qmops.c
@@ -28,6 +28,8 @@
#include "xfs_mount.h"
#include "xfs_quota.h"
#include "xfs_error.h"
+#include "xfs_clnt.h"
+
STATIC struct xfs_dquot *
xfs_dqvopchown_default(
@@ -110,7 +112,7 @@ xfs_noquota_init(
return error;
}
-xfs_qmops_t xfs_qmcore_stub = {
+static struct xfs_qmops xfs_qmcore_stub = {
.xfs_qminit = (xfs_qminit_t) xfs_noquota_init,
.xfs_qmdone = (xfs_qmdone_t) fs_noerr,
.xfs_qmmount = (xfs_qmmount_t) fs_noerr,
@@ -124,4 +126,38 @@ xfs_qmops_t xfs_qmcore_stub = {
.xfs_dqvoprename = (xfs_dqvoprename_t) fs_noerr,
.xfs_dqvopchown = xfs_dqvopchown_default,
.xfs_dqvopchownresv = (xfs_dqvopchownresv_t) fs_noerr,
+ .xfs_dqstatvfs = (xfs_dqstatvfs_t) fs_noval,
+ .xfs_dqsync = (xfs_dqsync_t) fs_noerr,
+ .xfs_quotactl = (xfs_quotactl_t) fs_nosys,
};
+
+int
+xfs_qmops_get(struct xfs_mount *mp, struct xfs_mount_args *args)
+{
+ if (args->flags & (XFSMNT_UQUOTA | XFSMNT_PQUOTA | XFSMNT_GQUOTA)) {
+ struct xfs_qmops *ops;
+
+ ops = symbol_get(xfs_qmcore_xfs);
+ if (!ops) {
+ request_module("xfs_quota");
+ ops = symbol_get(xfs_qmcore_xfs);
+ }
+
+ if (!ops) {
+ cmn_err(CE_WARN, "XFS: no quota support available.");
+ return EINVAL;
+ }
+ mp->m_qm_ops = ops;
+ } else {
+ mp->m_qm_ops = &xfs_qmcore_stub;
+ }
+
+ return 0;
+}
+
+void
+xfs_qmops_put(struct xfs_mount *mp)
+{
+ if (mp->m_qm_ops != &xfs_qmcore_stub)
+ symbol_put(xfs_qmcore_xfs);
+}
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