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Diffstat (limited to 'quotaio_v1.c')
-rw-r--r--quotaio_v1.c114
1 files changed, 79 insertions, 35 deletions
diff --git a/quotaio_v1.c b/quotaio_v1.c
index 195534c..d565e01 100644
--- a/quotaio_v1.c
+++ b/quotaio_v1.c
@@ -34,7 +34,7 @@
#ident "$Copyright: (c) 1980, 1990 Regents of the University of California. $"
#ident "$Copyright: All rights reserved. $"
-#ident "$Id: quotaio_v1.c,v 1.11 2001/11/08 23:56:11 jkar8572 Exp $"
+#ident "$Id: quotaio_v1.c,v 1.12 2002/03/27 16:21:26 jkar8572 Exp $"
#include <unistd.h>
#include <errno.h>
@@ -47,7 +47,9 @@
#include "dqblk_v1.h"
#include "quotaio.h"
#include "quotasys.h"
+#include "quotaio_generic.h"
+static int v1_check_file(int fd, int type);
static int v1_init_io(struct quota_handle *h);
static int v1_new_io(struct quota_handle *h);
static int v1_write_info(struct quota_handle *h);
@@ -56,6 +58,7 @@ static int v1_commit_dquot(struct dquot *dquot, int flags);
static int v1_scan_dquots(struct quota_handle *h, int (*process_dquot) (struct dquot *dquot, char *dqname));
struct quotafile_ops quotafile_ops_1 = {
+check_file: v1_check_file,
init_io: v1_init_io,
new_io: v1_new_io,
write_info: v1_write_info,
@@ -121,23 +124,43 @@ static inline void v1_util2kerndqblk(struct v1_kern_dqblk *k, struct util_dqblk
}
/*
+ * Check whether quotafile is in our format
+ */
+static int v1_check_file(int fd, int type)
+{
+ struct stat st;
+
+ if (fstat(fd, &st) < 0)
+ return 0;
+ if (!st.st_size || st.st_size % sizeof(struct v1_disk_dqblk))
+ return 0;
+ return 1;
+}
+
+/*
* Open quotafile
*/
static int v1_init_io(struct quota_handle *h)
{
if (QIO_ENABLED(h)) {
- struct v1_kern_dqblk kdqblk;
-
- if (quotactl(QCMD(Q_V1_GETQUOTA, h->qh_type), h->qh_quotadev, 0, (void *)&kdqblk) < 0) {
- if (errno == EPERM) { /* We have no permission to get this information? */
- h->qh_info.dqi_bgrace = h->qh_info.dqi_igrace = 0; /* It hopefully won't be needed */
- }
- else
+ if (kernel_iface == IFACE_GENERIC) {
+ if (vfs_get_info(h) < 0)
return -1;
}
else {
- h->qh_info.dqi_bgrace = kdqblk.dqb_btime;
- h->qh_info.dqi_igrace = kdqblk.dqb_itime;
+ struct v1_kern_dqblk kdqblk;
+
+ if (quotactl(QCMD(Q_V1_GETQUOTA, h->qh_type), h->qh_quotadev, 0, (void *)&kdqblk) < 0) {
+ if (errno == EPERM) { /* We have no permission to get this information? */
+ h->qh_info.dqi_bgrace = h->qh_info.dqi_igrace = 0; /* It hopefully won't be needed */
+ }
+ else
+ return -1;
+ }
+ else {
+ h->qh_info.dqi_bgrace = kdqblk.dqb_btime;
+ h->qh_info.dqi_igrace = kdqblk.dqb_itime;
+ }
}
}
else {
@@ -187,14 +210,20 @@ static int v1_write_info(struct quota_handle *h)
return -1;
}
if (QIO_ENABLED(h)) {
- struct v1_kern_dqblk kdqblk;
+ if (kernel_iface == IFACE_GENERIC) {
+ if (vfs_set_info(h, IIF_BGRACE | IIF_IGRACE) < 0)
+ return -1;
+ }
+ else {
+ struct v1_kern_dqblk kdqblk;
- if (quotactl(QCMD(Q_V1_GETQUOTA, h->qh_type), h->qh_quotadev, 0, (void *)&kdqblk) < 0)
- return -1;
- kdqblk.dqb_btime = h->qh_info.dqi_bgrace;
- kdqblk.dqb_itime = h->qh_info.dqi_igrace;
- if (quotactl(QCMD(Q_V1_SETQUOTA, h->qh_type), h->qh_quotadev, 0, (void *)&kdqblk) < 0)
- return -1;
+ if (quotactl(QCMD(Q_V1_GETQUOTA, h->qh_type), h->qh_quotadev, 0, (void *)&kdqblk) < 0)
+ return -1;
+ kdqblk.dqb_btime = h->qh_info.dqi_bgrace;
+ kdqblk.dqb_itime = h->qh_info.dqi_igrace;
+ if (quotactl(QCMD(Q_V1_SETQUOTA, h->qh_type), h->qh_quotadev, 0, (void *)&kdqblk) < 0)
+ return -1;
+ }
}
else {
struct v1_disk_dqblk ddqblk;
@@ -223,13 +252,21 @@ static struct dquot *v1_read_dquot(struct quota_handle *h, qid_t id)
dquot->dq_id = id;
dquot->dq_h = h;
if (QIO_ENABLED(h)) { /* Does kernel use the file? */
- struct v1_kern_dqblk kdqblk;
+ if (kernel_iface == IFACE_GENERIC) {
+ if (vfs_get_dquot(dquot) < 0) {
+ free(dquot);
+ return NULL;
+ }
+ }
+ else {
+ struct v1_kern_dqblk kdqblk;
- if (quotactl(QCMD(Q_V1_GETQUOTA, h->qh_type), h->qh_quotadev, id, (void *)&kdqblk) < 0) {
- free(dquot);
- return NULL;
+ if (quotactl(QCMD(Q_V1_GETQUOTA, h->qh_type), h->qh_quotadev, id, (void *)&kdqblk) < 0) {
+ free(dquot);
+ return NULL;
+ }
+ v1_kern2utildqblk(&dquot->dq_dqb, &kdqblk);
}
- v1_kern2utildqblk(&dquot->dq_dqb, &kdqblk);
}
else {
lseek(h->qh_fd, (long)V1_DQOFF(id), SEEK_SET);
@@ -267,19 +304,25 @@ static int v1_commit_dquot(struct dquot *dquot, int flags)
return -1;
}
if (QIO_ENABLED(h)) { /* Kernel uses same file? */
- struct v1_kern_dqblk kdqblk;
- int cmd;
+ if (kernel_iface == IFACE_GENERIC) {
+ if (vfs_set_dquot(dquot, flags) < 0)
+ return -1;
+ }
+ else {
+ struct v1_kern_dqblk kdqblk;
+ int cmd;
- if (flags == COMMIT_USAGE)
- cmd = Q_V1_SETUSE;
- else if (flags == COMMIT_LIMITS)
- cmd = Q_V1_SETQLIM;
- else
- cmd = Q_V1_SETQUOTA;
- v1_util2kerndqblk(&kdqblk, &dquot->dq_dqb);
- if (quotactl(QCMD(cmd, h->qh_type), h->qh_quotadev, dquot->dq_id,
- (void *)&kdqblk) < 0)
- return -1;
+ if (flags == COMMIT_USAGE)
+ cmd = Q_V1_SETUSE;
+ else if (flags == COMMIT_LIMITS)
+ cmd = Q_V1_SETQLIM;
+ else
+ cmd = Q_V1_SETQUOTA;
+ v1_util2kerndqblk(&kdqblk, &dquot->dq_dqb);
+ if (quotactl(QCMD(cmd, h->qh_type), h->qh_quotadev, dquot->dq_id,
+ (void *)&kdqblk) < 0)
+ return -1;
+ }
}
else {
v1_mem2diskdqblk(&ddqblk, &dquot->dq_dqb);
@@ -304,7 +347,8 @@ static int v1_scan_dquots(struct quota_handle *h, int (*process_dquot) (struct d
qid_t id = 0;
if (QIO_ENABLED(h)) /* Kernel uses same file? */
- if (quotactl(QCMD(Q_SYNC, h->qh_type), h->qh_quotadev, 0, NULL) < 0)
+ if (quotactl(QCMD((kernel_iface == IFACE_GENERIC) ? Q_SYNC : Q_6_5_SYNC, h->qh_type),
+ h->qh_quotadev, 0, NULL) < 0)
die(4, _("Can't sync quotas on device %s: %s\n"), h->qh_quotadev,
strerror(errno));
memset(dquot, 0, sizeof(*dquot));
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-02 20:36:01 +0000