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authorShehjar Tikoo <shehjart@zresearch.com>2009-04-16 23:56:29 -0700
committerAnand V. Avati <avati@amp.gluster.com>2009-04-17 13:43:50 +0530
commitff2bacf3466ddd4473ae3774e1f822981f4d8198 (patch)
tree5029012c22b337ccf53b3e19f0cce069758b335a
parentf199ebf5d0c4d90abbc5d0dafd67561f39f398b8 (diff)
libglusterfsclient: Add statfs API
Signed-off-by: Anand V. Avati <avati@amp.gluster.com>
-rwxr-xr-xlibglusterfsclient/src/libglusterfsclient.c99
1 files changed, 99 insertions, 0 deletions
diff --git a/libglusterfsclient/src/libglusterfsclient.c b/libglusterfsclient/src/libglusterfsclient.c
index f6e73e7a2d2..d2075177b96 100755
--- a/libglusterfsclient/src/libglusterfsclient.c
+++ b/libglusterfsclient/src/libglusterfsclient.c
@@ -40,6 +40,7 @@
#include "libglusterfsclient-internals.h"
#include "compat.h"
#include "compat-errno.h"
+#include <sys/vfs.h>
#define LIBGF_XL_NAME "libglusterfsclient"
#define LIBGLUSTERFS_INODE_TABLE_LRU_LIMIT 1000 //14057
@@ -3957,6 +3958,104 @@ out:
return op_ret;
}
+int32_t
+libgf_client_statfs_cbk (call_frame_t *frame, void *cookie, xlator_t *this,
+ int32_t op_ret, int32_t op_errno, struct statvfs *buf)
+{
+ libgf_client_local_t *local = frame->local;
+
+ local->reply_stub = fop_statfs_cbk_stub (frame, NULL, op_ret, op_errno,
+ buf);
+
+ LIBGF_REPLY_NOTIFY (local);
+ return 0;
+}
+
+int32_t
+libgf_client_statvfs (libglusterfs_client_ctx_t *ctx, loc_t *loc,
+ struct statvfs *buf)
+{
+ call_stub_t *stub = NULL;
+ libgf_client_local_t *local = NULL;
+ int32_t op_ret = -1;
+
+ /* statfs fop receives struct statvfs as an argument */
+
+ /* libgf_client_statfs_cbk will be the callback, not
+ libgf_client_statvfs_cbk. see definition of LIBGF_CLIENT_FOP
+ */
+ LIBGF_CLIENT_FOP (ctx, stub, statfs, local, loc);
+
+ op_ret = stub->args.statfs_cbk.op_ret;
+ errno = stub->args.statfs_cbk.op_errno;
+ if (op_ret == -1)
+ goto out;
+
+ if (buf)
+ memcpy (buf, &stub->args.statfs_cbk.buf, sizeof (*buf));
+out:
+ call_stub_destroy (stub);
+ return op_ret;
+}
+
+int
+glusterfs_statfs (glusterfs_handle_t handle, const char *path,
+ struct statfs *buf)
+{
+ struct statvfs stvfs = {0, };
+ int32_t op_ret = -1;
+ loc_t loc = {0, };
+ libglusterfs_client_ctx_t *ctx = handle;
+ char *name = NULL;
+
+ GF_VALIDATE_OR_GOTO (LIBGF_XL_NAME, ctx, out);
+ GF_VALIDATE_ABSOLUTE_PATH_OR_GOTO (LIBGF_XL_NAME, path, out);
+
+ loc.path = strdup (path);
+ op_ret = libgf_client_path_lookup (&loc, ctx, 1);
+ if (op_ret == -1) {
+ gf_log ("libglusterfsclient", GF_LOG_ERROR,
+ "path lookup failed for (%s)", path);
+ goto out;
+ }
+
+ name = strdup (path);
+ op_ret = libgf_client_loc_fill (&loc, ctx, 0, loc.parent->ino,
+ basename (name));
+ if (op_ret == -1) {
+ gf_log ("libglusterfsclient", GF_LOG_ERROR,
+ "libgf_client_loc_fill returned -1, "
+ "returning EINVAL");
+ errno = EINVAL;
+ goto out;
+ }
+
+ op_ret = libgf_client_statvfs (ctx, &loc, &stvfs);
+ if (op_ret == 0) {
+ buf->f_type = 0;
+ buf->f_bsize = stvfs.f_bsize;
+ buf->f_blocks = stvfs.f_blocks;
+ buf->f_bfree = stvfs.f_bfree;
+ buf->f_bavail = stvfs.f_bavail;
+ buf->f_files = stvfs.f_bavail;
+ buf->f_ffree = stvfs.f_ffree;
+ /* FIXME: buf->f_fsid has either "val" or "__val" as member
+ based on conditional macro expansion. see definition of
+ fsid_t - Raghu
+ It seems have different structure member names on
+ different archs, so I am stepping down to doing a struct
+ to struct copy. :Shehjar
+ */
+ memcpy (&buf->f_fsid, &stvfs.f_fsid, sizeof (stvfs.f_fsid));
+ buf->f_namelen = stvfs.f_namemax;
+ }
+
+out:
+ if (name)
+ FREE (name);
+ libgf_client_loc_wipe (&loc);
+ return op_ret;
+}
static struct xlator_fops libgf_client_fops = {
};