From: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
Create a helper to open a file and initialize the xfd structure.
Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
---
fsr/xfs_fsr.c | 26 ++++++--------------------
include/fsgeom.h | 1 +
libfrog/fsgeom.c | 22 ++++++++++++++++++++++
quota/quot.c | 7 ++++---
scrub/phase1.c | 25 ++++++++-----------------
5 files changed, 41 insertions(+), 40 deletions(-)
diff --git a/fsr/xfs_fsr.c b/fsr/xfs_fsr.c
index f7e7474d..64892dd5 100644
--- a/fsr/xfs_fsr.c
+++ b/fsr/xfs_fsr.c
@@ -593,18 +593,10 @@ fsrfs(char *mntdir, xfs_ino_t startino, int targetrange)
return -1;
}
- if ((fsxfd.fd = open(mntdir, O_RDONLY)) < 0) {
- fsrprintf(_("unable to open: %s: %s\n"),
- mntdir, strerror( errno ));
- free(fshandlep);
- return -1;
- }
-
- ret = xfd_prepare_geometry(&fsxfd);
+ ret = xfd_open(&fsxfd, mntdir, O_RDONLY);
if (ret) {
- fsrprintf(_("Skipping %s: could not get XFS geometry\n"),
- mntdir);
- xfd_close(&fsxfd);
+ fsrprintf(_("unable to open XFS file: %s: %s\n"),
+ mntdir, strerror(ret));
free(fshandlep);
return -1;
}
@@ -726,16 +718,10 @@ fsrfile(
* Need to open something on the same filesystem as the
* file. Open the parent.
*/
- 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;
- }
-
- error = xfd_prepare_geometry(&fsxfd);
+ error = xfd_open(&fsxfd, getparent(fname), O_RDONLY);
if (error) {
- fsrprintf(_("Unable to get geom on fs for: %s\n"), fname);
+ fsrprintf(_("unable to open sys handle for XFS file %s: %s\n"),
+ fname, strerror(error));
goto out;
}
diff --git a/include/fsgeom.h b/include/fsgeom.h
index 771732f2..1c397cb6 100644
--- a/include/fsgeom.h
+++ b/include/fsgeom.h
@@ -42,6 +42,7 @@ struct xfs_fd {
#define XFS_FD_INIT_EMPTY XFS_FD_INIT(-1)
int xfd_prepare_geometry(struct xfs_fd *xfd);
+int xfd_open(struct xfs_fd *xfd, const char *pathname, int flags);
int xfd_close(struct xfs_fd *xfd);
/* Convert AG number and AG inode number into fs inode number. */
diff --git a/libfrog/fsgeom.c b/libfrog/fsgeom.c
index 39604556..9a428bf6 100644
--- a/libfrog/fsgeom.c
+++ b/libfrog/fsgeom.c
@@ -116,6 +116,28 @@ xfd_prepare_geometry(
return 0;
}
+/* Open a file on an XFS filesystem. Returns zero or a positive error code. */
+int
+xfd_open(
+ struct xfs_fd *xfd,
+ const char *pathname,
+ int flags)
+{
+ int ret;
+
+ xfd->fd = open(pathname, flags);
+ if (xfd->fd < 0)
+ return errno;
+
+ ret = xfd_prepare_geometry(xfd);
+ if (ret) {
+ xfd_close(xfd);
+ return ret;
+ }
+
+ return 0;
+}
+
/*
* Release any resources associated with this xfs_fd structure. Returns zero
* or a positive error code.
diff --git a/quota/quot.c b/quota/quot.c
index 6fb6f833..b718b09d 100644
--- a/quota/quot.c
+++ b/quota/quot.c
@@ -132,7 +132,7 @@ quot_bulkstat_mount(
struct xfs_bstat *buf;
uint64_t last = 0;
uint32_t count;
- int i, sts;
+ int i, sts, ret;
du_t **dp;
/*
@@ -147,8 +147,9 @@ quot_bulkstat_mount(
*dp = NULL;
ndu[0] = ndu[1] = ndu[2] = 0;
- fsxfd.fd = open(fsdir, O_RDONLY);
- if (fsxfd.fd < 0) {
+ ret = xfd_open(&fsxfd, fsdir, O_RDONLY);
+ if (ret) {
+ errno = ret;
perror(fsdir);
return;
}
diff --git a/scrub/phase1.c b/scrub/phase1.c
index 6879cc33..81b0990d 100644
--- a/scrub/phase1.c
+++ b/scrub/phase1.c
@@ -84,13 +84,17 @@ xfs_setup_fs(
* CAP_SYS_ADMIN, which we probably need to do anything fancy
* with the (XFS driver) kernel.
*/
- ctx->mnt.fd = open(ctx->mntpoint, O_RDONLY | O_NOATIME | O_DIRECTORY);
- if (ctx->mnt.fd < 0) {
- if (errno == EPERM)
+ error = xfd_open(&ctx->mnt, ctx->mntpoint,
+ O_RDONLY | O_NOATIME | O_DIRECTORY);
+ if (error) {
+ if (error == EPERM)
str_info(ctx, ctx->mntpoint,
_("Must be root to run scrub."));
+ else if (error == ENOTTY)
+ str_error(ctx, ctx->mntpoint,
+_("Not an XFS filesystem."));
else
- str_errno(ctx, ctx->mntpoint);
+ str_liberror(ctx, error, ctx->mntpoint);
return false;
}
@@ -110,12 +114,6 @@ _("Must be root to run scrub."));
return false;
}
- if (!platform_test_xfs_fd(ctx->mnt.fd)) {
- str_info(ctx, ctx->mntpoint,
-_("Does not appear to be an XFS filesystem!"));
- return false;
- }
-
/*
* Flush everything out to disk before we start checking.
* This seems to reduce the incidence of stale file handle
@@ -127,13 +125,6 @@ _("Does not appear to be an XFS filesystem!"));
return false;
}
- /* Retrieve XFS geometry. */
- error = xfd_prepare_geometry(&ctx->mnt);
- if (error) {
- str_liberror(ctx, error, _("Retrieving XFS geometry"));
- return false;
- }
-
if (!xfs_action_lists_alloc(ctx->mnt.fsgeom.agcount,
&ctx->action_lists)) {
str_error(ctx, ctx->mntpoint, _("Not enough memory."));
