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authorWanlong Gao <gaowanlong@cn.fujitsu.com>2012-08-01 17:02:07 +0800
committerRichard W.M. Jones <rjones@redhat.com>2012-08-02 10:20:57 +0100
commitd40b5028762eeaf9235165301bd76d468b7e251c (patch)
treef91247e3e4390ac99cf91c2fdc44e08228905fa0 /daemon
parent9b9c3721146b734fb71721875d80e5f2db1b7b7b (diff)
downloadlibguestfs-d40b5028762eeaf9235165301bd76d468b7e251c.tar.gz
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libguestfs-d40b5028762eeaf9235165301bd76d468b7e251c.zip
xfs: add new api xfs-growfs
New api xfs_growfs for expanding a XFS filesystem. Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
Diffstat (limited to 'daemon')
-rw-r--r--daemon/xfs.c111
1 files changed, 111 insertions, 0 deletions
diff --git a/daemon/xfs.c b/daemon/xfs.c
index e0f0062a..73ba791e 100644
--- a/daemon/xfs.c
+++ b/daemon/xfs.c
@@ -28,6 +28,8 @@
#include "actions.h"
#include "optgroups.h"
+#define MAX_ARGS 64
+
int
optgroup_xfs_available (void)
{
@@ -348,3 +350,112 @@ error:
free_strings (lines);
return ret;
}
+
+char *
+do_xfs_growfs (const char *path,
+ int datasec, int logsec, int rtsec,
+ int64_t datasize, int64_t logsize, int64_t rtsize,
+ int64_t rtextsize, int32_t maxpct)
+{
+ int r;
+ char *buf;
+ char *out = NULL, *err = NULL;
+ const char *argv[MAX_ARGS];
+ char datasize_s[64];
+ char logsize_s[64];
+ char rtsize_s[64];
+ char rtextsize_s[64];
+ char maxpct_s[32];
+ size_t i = 0;
+
+ buf = sysroot_path (path);
+ if (buf == NULL) {
+ reply_with_perror ("malloc");
+ return NULL;
+ }
+
+ ADD_ARG (argv, i, "xfs_growfs");
+
+ /* Optional arguments */
+ if (!(optargs_bitmask & GUESTFS_XFS_GROWFS_DATASEC_BITMASK))
+ datasec = 0;
+ if (!(optargs_bitmask & GUESTFS_XFS_GROWFS_LOGSEC_BITMASK))
+ logsec = 0;
+ if (!(optargs_bitmask & GUESTFS_XFS_GROWFS_RTSEC_BITMASK))
+ rtsec = 0;
+
+ if (datasec)
+ ADD_ARG (argv, i, "-d");
+ if (logsec)
+ ADD_ARG (argv, i, "-l");
+ if (rtsec)
+ ADD_ARG (argv, i, "-r");
+
+ if (optargs_bitmask & GUESTFS_XFS_GROWFS_DATASIZE_BITMASK) {
+ if (datasize < 0) {
+ reply_with_error ("datasize must be >= 0");
+ goto error;
+ }
+ snprintf (datasize_s, sizeof datasize_s, "%" PRIi64, datasize);
+ ADD_ARG (argv, i, "-D");
+ ADD_ARG (argv, i, datasize_s);
+ }
+
+ if (optargs_bitmask & GUESTFS_XFS_GROWFS_LOGSIZE_BITMASK) {
+ if (logsize < 0) {
+ reply_with_error ("logsize must be >= 0");
+ goto error;
+ }
+ snprintf(logsize_s, sizeof logsize_s, "%" PRIi64, logsize);
+ ADD_ARG (argv, i, "-L");
+ ADD_ARG (argv, i, logsize_s);
+ }
+
+ if (optargs_bitmask & GUESTFS_XFS_GROWFS_RTSIZE_BITMASK) {
+ if (rtsize < 0) {
+ reply_with_error ("rtsize must be >= 0");
+ goto error;
+ }
+ snprintf(rtsize_s, sizeof rtsize_s, "%" PRIi64, rtsize);
+ ADD_ARG (argv, i, "-R");
+ ADD_ARG (argv, i, rtsize_s);
+ }
+
+ if (optargs_bitmask & GUESTFS_XFS_GROWFS_RTEXTSIZE_BITMASK) {
+ if (rtextsize < 0) {
+ reply_with_error ("rtextsize must be >= 0");
+ goto error;
+ }
+ snprintf(rtextsize_s, sizeof rtextsize_s, "%" PRIi64, rtextsize);
+ ADD_ARG (argv, i, "-e");
+ ADD_ARG (argv, i, rtextsize_s);
+ }
+
+ if (optargs_bitmask & GUESTFS_XFS_GROWFS_MAXPCT_BITMASK) {
+ if (maxpct < 0) {
+ reply_with_error ("maxpct must be >= 0");
+ goto error;
+ }
+ snprintf(maxpct_s, sizeof maxpct_s, "%" PRIi32, maxpct);
+ ADD_ARG (argv, i, "-m");
+ ADD_ARG (argv, i, maxpct_s);
+ }
+
+ ADD_ARG (argv, i, buf);
+ ADD_ARG (argv, i, NULL);
+
+ r = commandv (&out, &err, argv);
+ free (buf);
+ if (r == -1) {
+ reply_with_error ("%s: %s", path, err);
+ goto error;
+ }
+
+ free (err);
+ return out;
+
+error:
+ if (buf) free (buf);
+ if (err) free (err);
+ return NULL;
+}