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quota/quota-tools-meta.diff

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--- quota-tools/Changelog
+++ quota-tools/Changelog
@@ -1,3 +1,6 @@
+* fixed bug in error reporting when quota reading fails (Jan Kara)
+* added support for quota formats with hidden quota files (Jan Kara)
+
Changes in quota-tools from 3.15 to 3.16
* added information message about journaled quota to quotacheck (Jan Kara, Alex Tomas)
* added pointers to quota_nld and warnquota to some manpages (Jan Kara)
--- quota-tools/Makefile.in
+++ quota-tools/Makefile.in
@@ -1,5 +1,5 @@
PROGS = quotacheck quotaon quota quot repquota warnquota quotastats xqmstats edquota setquota convertquota rpc.rquotad @QUOTA_NETLINK_PROG@
-SOURCES = bylabel.c common.c convertquota.c edquota.c pot.c quot.c quota.c quotacheck.c quotacheck_v1.c quotacheck_v2.c quotaio.c quotaio_rpc.c quotaio_v1.c quotaio_v2.c quotaio_xfs.c quotaio_generic.c quotaon.c quotaon_xfs.c quotaops.c quotastats.c quotasys.c repquota.c rquota_client.c rquota_server.c rquota_svc.c setquota.c warnquota.c xqmstats.c svc_socket.c
+SOURCES = bylabel.c common.c convertquota.c edquota.c pot.c quot.c quota.c quotacheck.c quotacheck_v1.c quotacheck_v2.c quotaio.c quotaio_rpc.c quotaio_v1.c quotaio_v2.c quotaio_xfs.c quotaio_meta.c quotaio_generic.c quotaon.c quotaon_xfs.c quotaops.c quotastats.c quotasys.c repquota.c rquota_client.c rquota_server.c rquota_svc.c setquota.c warnquota.c xqmstats.c svc_socket.c
VERSIONDEF = -DQUOTA_VERSION=\"3.16\"
CFLAGS = @CFLAGS@ @EXT2_DIRECT@ -D_GNU_SOURCE -Wall -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 $(VERSIONDEF) -DCOMPILE_OPTS="\"@COMPILE_OPTS@\""
CPPFLAGS = @CPPFLAGS@
@@ -39,7 +39,7 @@
sysconfdir = @sysconfdir@
RPCCLNTOBJS = rquota_xdr.o rquota_client.o rquota_clnt.o
-IOOBJS = quotaio.o quotaio_v1.o quotaio_v2.o quotaio_rpc.o quotaio_xfs.o quotaio_generic.o
+IOOBJS = quotaio.o quotaio_v1.o quotaio_v2.o quotaio_rpc.o quotaio_xfs.o quotaio_meta.o quotaio_generic.o
IOOBJS += $(RPCCLNTOBJS)
LIBOBJS = bylabel.o common.o quotasys.o pot.o $(IOOBJS)
LIBOBJS += @LIBMALLOC@
--- quota-tools/mntopt.h
+++ quota-tools/mntopt.h
@@ -16,6 +16,7 @@
#define MNTTYPE_JFS "jfs" /* JFS file system */
#define MNTTYPE_NFS4 "nfs4" /* NFSv4 filesystem */
#define MNTTYPE_MPFS "mpfs" /* EMC Celerra MPFS filesystem */
+#define MNTTYPE_OCFS2 "ocfs2" /* Oracle Cluster filesystem */
/* mount options */
#define MNTOPT_NOQUOTA "noquota" /* don't enforce quota */
--- quota-tools/quota.h
+++ quota-tools/quota.h
@@ -4,7 +4,7 @@
#include <sys/types.h>
typedef u_int32_t qid_t; /* Type in which we store ids in memory */
-typedef u_int64_t qsize_t; /* Type in which we store size limitations */
+typedef int64_t qsize_t; /* Type in which we store size limitations */
#define MAXQUOTAS 2
#define USRQUOTA 0 /* element used for user quotas */
@@ -135,6 +135,7 @@
/* Quota format identifiers */
#define QFMT_VFS_OLD 1
#define QFMT_VFS_V0 2
+#define QFMT_OCFS2 3
/* Flags supported by kernel */
#define V1_DQF_RSQUASH 1
--- quota-tools/quotacheck.c
+++ quota-tools/quotacheck.c
@@ -1036,7 +1036,8 @@
while ((mnt = get_next_mount())) {
if (flags & FL_ALL && flags & FL_NOROOT && !strcmp(mnt->mnt_dir, "/"))
continue;
- if (!strcmp(mnt->mnt_type, MNTTYPE_XFS) || nfs_fstype(mnt->mnt_type)) {
+ if (!strcmp(mnt->mnt_type, MNTTYPE_XFS) || nfs_fstype(mnt->mnt_type) ||
+ meta_qf_fstype(mnt->mnt_type)) {
debug(FL_DEBUG | FL_VERBOSE, _("Skipping %s [%s]\n"), mnt->mnt_fsname, mnt->mnt_dir);
continue;
}
--- quota-tools/quotaio.c
+++ quota-tools/quotaio.c
@@ -97,8 +97,26 @@
fmt = kernfmt; /* Default is kernel used format */
}
}
- if ((fmt = get_qf_name(mnt, type, (fmt == -1) ? ((1 << QF_VFSOLD) | (1 << QF_VFSV0)) : (1 << fmt),
- (!QIO_ENABLED(h) || flags & IOI_OPENFILE) ? NF_FORMAT : 0, &qfname)) < 0) {
+
+ if (meta_qf_fstype(mnt->mnt_type)) {
+ if (!QIO_ENABLED(h)) {
+ errstr(_("Quota not supported by the filesystem.\n"));
+ goto out_handle;
+ }
+ if (flags & IOI_OPENFILE) {
+ errstr(_("Operation not supported for filesystems with hidden quota files!\n"));
+ goto out_handle;
+ }
+ h->qh_fd = -1;
+ h->qh_fmt = fmt;
+ goto set_ops;
+ }
+
+ fmt = get_qf_name(mnt, type,
+ (fmt == -1) ? ((1 << QF_VFSOLD) | (1 << QF_VFSV0)) : (1 << fmt),
+ (!QIO_ENABLED(h) || flags & IOI_OPENFILE) ? NF_FORMAT : 0,
+ &qfname);
+ if (fmt < 0) {
errstr(_("Quota file not found or has wrong format.\n"));
goto out_handle;
}
@@ -121,10 +139,13 @@
free(qfname); /* We don't need it anymore */
qfname = NULL;
+set_ops:
if (h->qh_fmt == QF_VFSOLD)
h->qh_ops = &quotafile_ops_1;
else if (h->qh_fmt == QF_VFSV0)
h->qh_ops = &quotafile_ops_2;
+ else if (h->qh_fmt == QF_META)
+ h->qh_ops = &quotafile_ops_meta;
memset(&h->qh_info, 0, sizeof(h->qh_info));
if (h->qh_ops->init_io && h->qh_ops->init_io(h) < 0) {
@@ -155,7 +176,7 @@
if (fmt == -1)
fmt = QF_VFSV0; /* Use the newest format */
- else if (fmt == QF_RPC || fmt == QF_XFS) {
+ else if (fmt == QF_RPC || fmt == QF_XFS || meta_qf_fstype(mnt->mnt_type)) {
errstr(_("Creation of %s quota format is not supported.\n"),
fmt == QF_RPC ? "RPC" : "XFS");
return NULL;
--- quota-tools/quotaio.h
+++ quota-tools/quotaio.h
@@ -50,6 +50,7 @@
#define QF_VFSV0 1 /* New quota format - version 0 */
#define QF_RPC 2 /* RPC should be used on given filesystem */
#define QF_XFS 3 /* XFS quota format */
+#define QF_META 4 /* Quota files are hidden, we don't care about the format */
/*
* Definitions for disk quotas imposed on the average user
@@ -153,6 +154,9 @@
int (*report) (struct quota_handle * h, int verbose); /* Function called after 'repquota' to print format specific file information */
};
+/* This might go into a special header file but that sounds a bit silly... */
+extern struct quotafile_ops quotafile_ops_meta;
+
static inline void mark_quotafile_info_dirty(struct quota_handle *h)
{
h->qh_io_flags |= IOFL_INFODIRTY;
--- quota-tools/quotaio_meta.c
+++ quota-tools/quotaio_meta.c
@@ -0,0 +1,58 @@
+/*
+ * Implementation of handling of quotafiles which are hidden
+ *
+ * Jan Kara <jack@suse.cz>
+ */
+#include <string.h>
+#include <stdlib.h>
+
+#include <sys/types.h>
+
+#include "pot.h"
+#include "common.h"
+#include "quotasys.h"
+#include "quotaio_generic.h"
+
+static int meta_init_io(struct quota_handle *h)
+{
+ if (!QIO_ENABLED(h)) {
+ errstr(_("Metadata init_io called when kernel support is not enabled.\n"));
+ return -1;
+ }
+ if (kernel_iface != IFACE_GENERIC) {
+ errstr(_("Metadata init_io called when kernel does not support generic quota interface!\n"));
+ return -1;
+ }
+ return vfs_get_info(h);
+}
+
+static int meta_write_info(struct quota_handle *h)
+{
+ return vfs_set_info(h, IIF_BGRACE | IIF_IGRACE);
+}
+
+static struct dquot *meta_read_dquot(struct quota_handle *h, qid_t id)
+{
+ struct dquot *dquot = get_empty_dquot();
+
+ dquot->dq_id = id;
+ dquot->dq_h = h;
+ memset(&dquot->dq_dqb, 0, sizeof(struct util_dqblk));
+ if (vfs_get_dquot(dquot) < 0) {
+ free(dquot);
+ return NULL;
+ }
+ return dquot;
+}
+
+static int meta_commit_dquot(struct dquot *dquot, int flags)
+{
+ return vfs_set_dquot(dquot, flags);
+}
+
+struct quotafile_ops quotafile_ops_meta = {
+init_io: meta_init_io,
+write_info: meta_write_info,
+read_dquot: meta_read_dquot,
+commit_dquot: meta_commit_dquot,
+};
--- quota-tools/quotaon.c
+++ quota-tools/quotaon.c
@@ -173,6 +173,12 @@
|| (!(flags & FL_OFF) && kern_quota_on(mnt->mnt_fsname, type, 1 << QF_XFS))))
ret = xfs_newstate(mnt, type, extra, sflags);
}
+ else if (meta_qf_fstype(mnt->mnt_type)) {
+ if (!hasquota(mnt, type, 0))
+ return 0;
+ /* Must be non-empty because empty path is always invalid. */
+ ret = v2_newstate(mnt, type, ".", sflags);
+ }
else {
if (!hasquota(mnt, type, 0))
return 0;
--- quota-tools/quotaops.c
+++ quota-tools/quotaops.c
@@ -154,9 +154,11 @@
if (!(q = handles[i]->qh_ops->read_dquot(handles[i], id))) {
/* If rpc.rquotad is not running filesystem might be just without quotas... */
if (errno != ENOENT && (errno != ECONNREFUSED || !quiet)) {
+ int olderrno = errno;
+
id2name(id, handles[i]->qh_type, name);
errstr(_("error while getting quota from %s for %s (id %u): %s\n"),
- handles[i]->qh_quotadev, name, id, strerror(errno));
+ handles[i]->qh_quotadev, name, id, strerror(olderrno));
}
continue;
}
--- quota-tools/quotasys.c
+++ quota-tools/quotasys.c
@@ -48,6 +48,15 @@
}
/*
+ * Check whether filesystem has hidden quota files which is handles
+ * as metadata (and thus always tracks usage).
+ */
+int meta_qf_fstype(char *type)
+{
+ return !strcmp(type, MNTTYPE_OCFS2);
+}
+
+/*
* Check whether give filesystem type is supported
*/
@@ -71,6 +80,7 @@
!strcmp(type, MNTTYPE_XFS) ||
!strcmp(type, MNTTYPE_NFS) ||
!strcmp(type, MNTTYPE_NFS4) ||
+ !strcmp(type, MNTTYPE_OCFS2) ||
!strcmp(type, MNTTYPE_MPFS)) {
free(mtype);
return 1;
@@ -267,6 +277,8 @@
return QF_VFSOLD;
case QFMT_VFS_V0:
return QF_VFSV0;
+ case QFMT_OCFS2:
+ return QF_META;
}
return -1;
}
@@ -700,7 +712,7 @@
/* Detect new kernel interface; Assume generic interface unless we can prove there is not one... */
if (!stat("/proc/sys/fs/quota", &st) || errno != ENOENT) {
kernel_iface = IFACE_GENERIC;
- kernel_formats |= (1 << QF_VFSOLD) | (1 << QF_VFSV0);
+ kernel_formats |= (1 << QF_VFSOLD) | (1 << QF_VFSV0) | (1 << QF_META);
}
else {
struct v2_dqstats v2_stats;
--- quota-tools/quotasys.h
+++ quota-tools/quotasys.h
@@ -41,6 +41,8 @@
*/
/* Check whether type is one of the NFS filesystems */
int nfs_fstype(char *);
+/* Quota file is treated as metadata? */
+int meta_qf_fstype(char *type);
/* Convert quota type to written form */
char *type2name(int);
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