From: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
Refactor the BULKSTAT_SINGLE and BULKSTAT ioctl callsites into helper
functions.
Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
---
fsr/xfs_fsr.c | 110 ++++++++++++++++++++++------------------------------
include/xfrog.h | 7 +++
io/open.c | 72 +++++++++++++++++-----------------
io/swapext.c | 20 ++-------
libfrog/Makefile | 1
libfrog/bulkstat.c | 52 +++++++++++++++++++++++++
quota/quot.c | 33 ++++++++--------
scrub/inodes.c | 32 ++++-----------
8 files changed, 172 insertions(+), 155 deletions(-)
create mode 100644 libfrog/bulkstat.c
diff --git a/fsr/xfs_fsr.c b/fsr/xfs_fsr.c
index 4b239a30..36402252 100644
--- a/fsr/xfs_fsr.c
+++ b/fsr/xfs_fsr.c
@@ -102,31 +102,6 @@ static int nfrags = 0; /* Debug option: Coerse into specific number
* of extents */
static int openopts = O_CREAT|O_EXCL|O_RDWR|O_DIRECT;
-static int
-xfs_bulkstat_single(int fd, xfs_ino_t *lastip, struct xfs_bstat *ubuffer)
-{
- struct xfs_fsop_bulkreq bulkreq;
-
- bulkreq.lastip = (__u64 *)lastip;
- bulkreq.icount = 1;
- bulkreq.ubuffer = ubuffer;
- bulkreq.ocount = NULL;
- return ioctl(fd, XFS_IOC_FSBULKSTAT_SINGLE, &bulkreq);
-}
-
-static int
-xfs_bulkstat(int fd, xfs_ino_t *lastip, int icount,
- struct xfs_bstat *ubuffer, __s32 *ocount)
-{
- struct xfs_fsop_bulkreq bulkreq;
-
- bulkreq.lastip = (__u64 *)lastip;
- bulkreq.icount = icount;
- bulkreq.ubuffer = ubuffer;
- bulkreq.ocount = ocount;
- return ioctl(fd, XFS_IOC_FSBULKSTAT, &bulkreq);
-}
-
static int
xfs_swapext(int fd, xfs_swapext_t *sx)
{
@@ -596,11 +571,11 @@ fsrall_cleanup(int timeout)
static int
fsrfs(char *mntdir, xfs_ino_t startino, int targetrange)
{
-
- int fsfd, fd;
+ struct xfs_fd fsxfd = XFS_FD_INIT_EMPTY;
+ int fd;
int count = 0;
int ret;
- __s32 buflenout;
+ uint32_t buflenout;
struct xfs_bstat buf[GRABSZ];
char fname[64];
char *tname;
@@ -617,26 +592,27 @@ fsrfs(char *mntdir, xfs_ino_t startino, int targetrange)
return -1;
}
- if ((fsfd = open(mntdir, O_RDONLY)) < 0) {
+ if ((fsxfd.fd = open(mntdir, O_RDONLY)) < 0) {
fsrprintf(_("unable to open: %s: %s\n"),
mntdir, strerror( errno ));
free(fshandlep);
return -1;
}
- ret = xfrog_geometry(fsfd, &fsgeom);
+ ret = xfd_prepare_geometry(&fsxfd);
if (ret) {
fsrprintf(_("Skipping %s: could not get XFS geometry\n"),
mntdir);
- close(fsfd);
+ xfd_close(&fsxfd);
free(fshandlep);
return -1;
}
+ memcpy(&fsgeom, &fsxfd.fsgeom, sizeof(fsgeom));
tmp_init(mntdir);
- while ((ret = xfs_bulkstat(fsfd,
- &lastino, GRABSZ, &buf[0], &buflenout)) == 0) {
+ while ((ret = xfrog_bulkstat(&fsxfd, &lastino, GRABSZ, &buf[0],
+ &buflenout)) == 0) {
struct xfs_bstat *p;
struct xfs_bstat *endp;
@@ -685,16 +661,16 @@ fsrfs(char *mntdir, xfs_ino_t startino, int targetrange)
}
if (endtime && endtime < time(NULL)) {
tmp_close(mntdir);
- close(fsfd);
+ xfd_close(&fsxfd);
fsrall_cleanup(1);
exit(1);
}
}
- if (ret < 0)
- fsrprintf(_("%s: xfs_bulkstat: %s\n"), progname, strerror(errno));
+ if (ret)
+ fsrprintf(_("%s: bulkstat: %s\n"), progname, strerror(ret));
out0:
tmp_close(mntdir);
- close(fsfd);
+ xfd_close(&fsxfd);
free(fshandlep);
return 0;
}
@@ -727,13 +703,16 @@ fsrdir(char *dirname)
* an open on the file and passes this all to fsrfile_common.
*/
static int
-fsrfile(char *fname, xfs_ino_t ino)
+fsrfile(
+ char *fname,
+ xfs_ino_t ino)
{
- struct xfs_bstat statbuf;
- jdm_fshandle_t *fshandlep;
- int fd = -1, fsfd = -1;
- int error = -1;
- char *tname;
+ struct xfs_fd fsxfd = XFS_FD_INIT_EMPTY;
+ struct xfs_bstat statbuf;
+ jdm_fshandle_t *fshandlep;
+ int fd = -1;
+ int error = -1;
+ char *tname;
fshandlep = jdm_getfshandle(getparent (fname) );
if (!fshandlep) {
@@ -746,16 +725,23 @@ fsrfile(char *fname, xfs_ino_t ino)
* Need to open something on the same filesystem as the
* file. Open the parent.
*/
- fsfd = open(getparent(fname), O_RDONLY);
- if (fsfd < 0) {
+ fsxfd.fd = open(getparent(fname), O_RDONLY);
+ if (fsxfd.fd < 0) {
fsrprintf(_("unable to open sys handle for %s: %s\n"),
fname, strerror(errno));
goto out;
}
- if ((xfs_bulkstat_single(fsfd, &ino, &statbuf)) < 0) {
+ error = xfd_prepare_geometry(&fsxfd);
+ if (error) {
+ fsrprintf(_("Unable to get geom on fs for: %s\n"), fname);
+ goto out;
+ }
+
+ error = xfrog_bulkstat_single(&fsxfd, ino, &statbuf);
+ if (error) {
fsrprintf(_("unable to get bstat on %s: %s\n"),
- fname, strerror(errno));
+ fname, strerror(error));
goto out;
}
@@ -766,12 +752,8 @@ fsrfile(char *fname, xfs_ino_t ino)
goto out;
}
- /* Get the fs geometry */
- error = xfrog_geometry(fsfd, &fsgeom);
- if (error) {
- fsrprintf(_("Unable to get geom on fs for: %s\n"), fname);
- goto out;
- }
+ /* Stash the fs geometry for general use. */
+ memcpy(&fsgeom, &fsxfd.fsgeom, sizeof(fsgeom));
tname = gettmpname(fname);
@@ -779,8 +761,7 @@ fsrfile(char *fname, xfs_ino_t ino)
error = fsrfile_common(fname, tname, NULL, fd, &statbuf);
out:
- if (fsfd >= 0)
- close(fsfd);
+ xfd_close(&fsxfd);
if (fd >= 0)
close(fd);
free(fshandlep);
@@ -947,6 +928,7 @@ fsr_setup_attr_fork(
struct xfs_bstat *bstatp)
{
#ifdef HAVE_FSETXATTR
+ struct xfs_fd txfd = XFS_FD_INIT(tfd);
struct stat tstatbuf;
int i;
int diff = 0;
@@ -964,7 +946,7 @@ fsr_setup_attr_fork(
if (!(fsgeom.flags & XFS_FSOP_GEOM_FLAGS_ATTR2) ||
bstatp->bs_forkoff == 0) {
/* attr1 */
- ret = fsetxattr(tfd, "user.X", "X", 1, XATTR_CREATE);
+ ret = fsetxattr(txfd.fd, "user.X", "X", 1, XATTR_CREATE);
if (ret) {
fsrprintf(_("could not set ATTR\n"));
return -1;
@@ -974,7 +956,7 @@ fsr_setup_attr_fork(
/* attr2 w/ fork offsets */
- if (fstat(tfd, &tstatbuf) < 0) {
+ if (fstat(txfd.fd, &tstatbuf) < 0) {
fsrprintf(_("unable to stat temp file: %s\n"),
strerror(errno));
return -1;
@@ -983,18 +965,18 @@ fsr_setup_attr_fork(
i = 0;
do {
struct xfs_bstat tbstat;
- xfs_ino_t ino;
char name[64];
+ int ret;
/*
* bulkstat the temp inode to see what the forkoff is. Use
* this to compare against the target and determine what we
* need to do.
*/
- ino = tstatbuf.st_ino;
- if ((xfs_bulkstat_single(tfd, &ino, &tbstat)) < 0) {
+ ret = xfrog_bulkstat_single(&txfd, tstatbuf.st_ino, &tbstat);
+ if (ret) {
fsrprintf(_("unable to get bstat on temp file: %s\n"),
- strerror(errno));
+ strerror(ret));
return -1;
}
if (dflag)
@@ -1014,7 +996,7 @@ fsr_setup_attr_fork(
*/
if (!tbstat.bs_forkoff) {
ASSERT(i == 0);
- ret = fsetxattr(tfd, name, "XX", 2, XATTR_CREATE);
+ ret = fsetxattr(txfd.fd, name, "XX", 2, XATTR_CREATE);
if (ret) {
fsrprintf(_("could not set ATTR\n"));
return -1;
@@ -1050,7 +1032,7 @@ fsr_setup_attr_fork(
if (diff < 0) {
char val[2048];
memset(val, 'X', 2048);
- if (fsetxattr(tfd, name, val, 2048, 0)) {
+ if (fsetxattr(txfd.fd, name, val, 2048, 0)) {
fsrprintf(_("big ATTR set failed\n"));
return -1;
}
@@ -1094,7 +1076,7 @@ fsr_setup_attr_fork(
}
/* we need to grow the attr fork, so create another attr */
- ret = fsetxattr(tfd, name, "XX", 2, XATTR_CREATE);
+ ret = fsetxattr(txfd.fd, name, "XX", 2, XATTR_CREATE);
if (ret) {
fsrprintf(_("could not set ATTR\n"));
return -1;
diff --git a/include/xfrog.h b/include/xfrog.h
index a08f6464..7bda9810 100644
--- a/include/xfrog.h
+++ b/include/xfrog.h
@@ -108,4 +108,11 @@ cvt_b_to_off_fsbt(
return bytes >> xfd->blocklog;
}
+/* Bulkstat wrappers */
+struct xfs_bstat;
+int xfrog_bulkstat_single(struct xfs_fd *xfd, uint64_t ino,
+ struct xfs_bstat *ubuffer);
+int xfrog_bulkstat(struct xfs_fd *xfd, uint64_t *lastino, uint32_t icount,
+ struct xfs_bstat *ubuffer, uint32_t *ocount);
+
#endif /* __XFROG_H__ */
diff --git a/io/open.c b/io/open.c
index 8b24a4f9..35e6131b 100644
--- a/io/open.c
+++ b/io/open.c
@@ -719,19 +719,18 @@ get_last_inode(void)
static int
inode_f(
- int argc,
- char **argv)
+ int argc,
+ char **argv)
{
- __s32 count = 0;
- __u64 result_ino = 0;
- __u64 userino = NULLFSINO;
+ struct xfs_bstat bstat;
+ uint32_t count = 0;
+ uint64_t result_ino = 0;
+ uint64_t userino = NULLFSINO;
char *p;
int c;
int verbose = 0;
int ret_next = 0;
- int cmd = 0;
- struct xfs_fsop_bulkreq bulkreq;
- struct xfs_bstat bstat;
+ int ret;
while ((c = getopt(argc, argv, "nv")) != EOF) {
switch (c) {
@@ -773,35 +772,38 @@ inode_f(
exitcode = 1;
return 0;
}
+ } else if (ret_next) {
+ struct xfs_fd xfd = XFS_FD_INIT(file->fd);
+
+ /* get next inode */
+ ret = xfrog_bulkstat(&xfd, &userino, 1, &bstat, &count);
+ if (ret) {
+ errno = ret;
+ perror("bulkstat");
+ exitcode = 1;
+ return 0;
+ }
+
+ /* The next inode in use, or 0 if none */
+ if (count)
+ result_ino = bstat.bs_ino;
+ else
+ result_ino = 0;
} else {
- if (ret_next) /* get next inode */
- cmd = XFS_IOC_FSBULKSTAT;
- else /* get this inode */
- cmd = XFS_IOC_FSBULKSTAT_SINGLE;
-
- bulkreq.lastip = &userino;
- bulkreq.icount = 1;
- bulkreq.ubuffer = &bstat;
- bulkreq.ocount = &count;
-
- if (xfsctl(file->name, file->fd, cmd, &bulkreq)) {
- if (!ret_next && errno == EINVAL) {
- /* Not in use */
- result_ino = 0;
- } else {
- perror("xfsctl");
- exitcode = 1;
- return 0;
- }
- } else if (ret_next) {
- /* The next inode in use, or 0 if none */
- if (*bulkreq.ocount)
- result_ino = bstat.bs_ino;
- else
- result_ino = 0;
+ struct xfs_fd xfd = XFS_FD_INIT(file->fd);
+
+ /* get this inode */
+ ret = xfrog_bulkstat_single(&xfd, userino, &bstat);
+ if (ret == EINVAL) {
+ /* Not in use */
+ result_ino = 0;
+ } else if (ret) {
+ errno = ret;
+ perror("bulkstat_single");
+ exitcode = 1;
+ return 0;
} else {
- /* The inode we asked about */
- result_ino = userino;
+ result_ino = bstat.bs_ino;
}
}
diff --git a/io/swapext.c b/io/swapext.c
index d360c221..fbf4fff5 100644
--- a/io/swapext.c
+++ b/io/swapext.c
@@ -8,6 +8,7 @@
#include "input.h"
#include "init.h"
#include "io.h"
+#include "xfrog.h"
static cmdinfo_t swapext_cmd;
@@ -20,26 +21,12 @@ swapext_help(void)
"\n"));
}
-static int
-xfs_bulkstat_single(
- int fd,
- xfs_ino_t *lastip,
- struct xfs_bstat *ubuffer)
-{
- struct xfs_fsop_bulkreq bulkreq;
-
- bulkreq.lastip = (__u64 *)lastip;
- bulkreq.icount = 1;
- bulkreq.ubuffer = ubuffer;
- bulkreq.ocount = NULL;
- return ioctl(fd, XFS_IOC_FSBULKSTAT_SINGLE, &bulkreq);
-}
-
static int
swapext_f(
int argc,
char **argv)
{
+ struct xfs_fd fxfd = XFS_FD_INIT(file->fd);
int fd;
int error;
struct xfs_swapext sx;
@@ -60,8 +47,9 @@ swapext_f(
goto out;
}
- error = xfs_bulkstat_single(file->fd, &stat.st_ino, &sx.sx_stat);
+ error = xfrog_bulkstat_single(&fxfd, stat.st_ino, &sx.sx_stat);
if (error) {
+ errno = error;
perror("bulkstat");
goto out;
}
diff --git a/libfrog/Makefile b/libfrog/Makefile
index f5a0539b..05c6f701 100644
--- a/libfrog/Makefile
+++ b/libfrog/Makefile
@@ -13,6 +13,7 @@ LT_AGE = 0
CFILES = \
avl64.c \
bitmap.c \
+bulkstat.c \
convert.c \
crc32.c \
fsgeom.c \
diff --git a/libfrog/bulkstat.c b/libfrog/bulkstat.c
new file mode 100644
index 00000000..0e11ccea
--- /dev/null
+++ b/libfrog/bulkstat.c
@@ -0,0 +1,52 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2019 Oracle. All Rights Reserved.
+ * Author: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
+ */
+#include "xfs.h"
+#include "xfrog.h"
+
+/* Bulkstat a single inode. Returns zero or a positive error code. */
+int
+xfrog_bulkstat_single(
+ struct xfs_fd *xfd,
+ uint64_t ino,
+ struct xfs_bstat *ubuffer)
+{
+ __u64 i = ino;
+ struct xfs_fsop_bulkreq bulkreq = {
+ .lastip = &i,
+ .icount = 1,
+ .ubuffer = ubuffer,
+ .ocount = NULL,
+ };
+ int ret;
+
+ ret = ioctl(xfd->fd, XFS_IOC_FSBULKSTAT_SINGLE, &bulkreq);
+ if (ret)
+ return errno;
+ return 0;
+}
+
+/* Bulkstat a bunch of inodes. Returns zero or a positive error code. */
+int
+xfrog_bulkstat(
+ struct xfs_fd *xfd,
+ uint64_t *lastino,
+ uint32_t icount,
+ struct xfs_bstat *ubuffer,
+ uint32_t *ocount)
+{
+ struct xfs_fsop_bulkreq bulkreq = {
+ .lastip = (__u64 *)lastino,
+ .icount = icount,
+ .ubuffer = ubuffer,
+ .ocount = (__s32 *)ocount,
+ };
+ int ret;
+
+ ret = ioctl(xfd->fd, XFS_IOC_FSBULKSTAT, &bulkreq);
+ if (ret)
+ return errno;
+ return 0;
+}
diff --git a/quota/quot.c b/quota/quot.c
index 6bc91171..1e970819 100644
--- a/quota/quot.c
+++ b/quota/quot.c
@@ -11,6 +11,7 @@
#include <grp.h>
#include "init.h"
#include "quota.h"
+#include "xfrog.h"
typedef struct du {
struct du *next;
@@ -124,13 +125,13 @@ quot_bulkstat_add(
static void
quot_bulkstat_mount(
char *fsdir,
- uint flags)
+ unsigned int flags)
{
- struct xfs_fsop_bulkreq bulkreq;
+ struct xfs_fd fsxfd = XFS_FD_INIT_EMPTY;
struct xfs_bstat *buf;
- __u64 last = 0;
- __s32 count;
- int i, sts, fsfd;
+ uint64_t last = 0;
+ uint32_t count;
+ int i, sts;
du_t **dp;
/*
@@ -145,8 +146,8 @@ quot_bulkstat_mount(
*dp = NULL;
ndu[0] = ndu[1] = ndu[2] = 0;
- fsfd = open(fsdir, O_RDONLY);
- if (fsfd < 0) {
+ fsxfd.fd = open(fsdir, O_RDONLY);
+ if (fsxfd.fd < 0) {
perror(fsdir);
return;
}
@@ -154,25 +155,23 @@ quot_bulkstat_mount(
buf = (struct xfs_bstat *)calloc(NBSTAT, sizeof(struct xfs_bstat));
if (!buf) {
perror("calloc");
- close(fsfd);
+ xfd_close(&fsxfd);
return;
}
- bulkreq.lastip = &last;
- bulkreq.icount = NBSTAT;
- bulkreq.ubuffer = buf;
- bulkreq.ocount = &count;
-
- while ((sts = xfsctl(fsdir, fsfd, XFS_IOC_FSBULKSTAT, &bulkreq)) == 0) {
+ while ((sts = xfrog_bulkstat(&fsxfd, &last, NBSTAT, buf,
+ &count)) == 0) {
if (count == 0)
break;
for (i = 0; i < count; i++)
quot_bulkstat_add(&buf[i], flags);
}
- if (sts < 0)
- perror("XFS_IOC_FSBULKSTAT"),
+ if (sts < 0) {
+ errno = sts;
+ perror("XFS_IOC_FSBULKSTAT");
+ }
free(buf);
- close(fsfd);
+ xfd_close(&fsxfd);
}
static int
diff --git a/scrub/inodes.c b/scrub/inodes.c
index 700e5200..413037d8 100644
--- a/scrub/inodes.c
+++ b/scrub/inodes.c
@@ -17,6 +17,7 @@
#include "xfs_scrub.h"
#include "common.h"
#include "inodes.h"
+#include "xfrog.h"
/*
* Iterate a range of inodes.
@@ -50,17 +51,10 @@ xfs_iterate_inodes_range_check(
struct xfs_inogrp *inogrp,
struct xfs_bstat *bstat)
{
- struct xfs_fsop_bulkreq onereq = {NULL};
struct xfs_bstat *bs;
- __u64 oneino;
- __s32 onelen = 0;
int i;
int error;
- onereq.lastip = &oneino;
- onereq.icount = 1;
- onereq.ocount = &onelen;
-
for (i = 0, bs = bstat; i < XFS_INODES_PER_CHUNK; i++) {
if (!(inogrp->xi_allocmask & (1ULL << i)))
continue;
@@ -70,10 +64,8 @@ xfs_iterate_inodes_range_check(
}
/* Load the one inode. */
- oneino = inogrp->xi_startino + i;
- onereq.ubuffer = bs;
- error = ioctl(ctx->mnt.fd, XFS_IOC_FSBULKSTAT_SINGLE,
- &onereq);
+ error = xfrog_bulkstat_single(&ctx->mnt,
+ inogrp->xi_startino + i, bs);
if (error || bs->bs_ino != inogrp->xi_startino + i) {
memset(bs, 0, sizeof(struct xfs_bstat));
bs->bs_ino = inogrp->xi_startino + i;
@@ -99,16 +91,14 @@ xfs_iterate_inodes_range(
void *arg)
{
struct xfs_fsop_bulkreq igrpreq = {NULL};
- struct xfs_fsop_bulkreq bulkreq = {NULL};
struct xfs_handle handle;
struct xfs_inogrp inogrp;
struct xfs_bstat bstat[XFS_INODES_PER_CHUNK];
char idescr[DESCR_BUFSZ];
- char buf[DESCR_BUFSZ];
struct xfs_bstat *bs;
__u64 igrp_ino;
- __u64 ino;
- __s32 bulklen = 0;
+ uint64_t ino;
+ uint32_t bulklen = 0;
__s32 igrplen = 0;
bool moveon = true;
int i;
@@ -117,10 +107,6 @@ xfs_iterate_inodes_range(
memset(bstat, 0, XFS_INODES_PER_CHUNK * sizeof(struct xfs_bstat));
- bulkreq.lastip = &ino;
- bulkreq.icount = XFS_INODES_PER_CHUNK;
- bulkreq.ubuffer = &bstat;
- bulkreq.ocount = &bulklen;
igrpreq.lastip = &igrp_ino;
igrpreq.icount = 1;
@@ -138,17 +124,17 @@ xfs_iterate_inodes_range(
while (!error && igrplen) {
/* Load the inodes. */
ino = inogrp.xi_startino - 1;
- bulkreq.icount = inogrp.xi_alloccount;
+
/*
* We can have totally empty inode chunks on filesystems where
* there are more than 64 inodes per block. Skip these.
*/
if (inogrp.xi_alloccount == 0)
goto igrp_retry;
- error = ioctl(ctx->mnt.fd, XFS_IOC_FSBULKSTAT, &bulkreq);
+ error = xfrog_bulkstat(&ctx->mnt, &ino, inogrp.xi_alloccount,
+ bstat, &bulklen);
if (error)
- str_info(ctx, descr, "%s", strerror_r(errno,
- buf, DESCR_BUFSZ));
+ str_liberror(ctx, error, descr);
xfs_iterate_inodes_range_check(ctx, &inogrp, bstat);
