[PATCH RFC 1/2] xfs_io: move stat functions to new file

[Eric Sandeen <sandeen@redhat.com>]

Adding statx will add a bit of code, so break stat-related
functions out of open.c into their own new file.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
---

diff --git a/io/Makefile b/io/Makefile
index 32df568..435ccff 100644
--- a/io/Makefile
+++ b/io/Makefile
@@ -11,7 +11,7 @@ HFILES = init.h io.h
 CFILES = init.c \
 	attr.c bmap.c cowextsize.c encrypt.c file.c freeze.c fsync.c \
 	getrusage.c imap.c link.c mmap.c open.c parent.c pread.c prealloc.c \
-	pwrite.c reflink.c seek.c shutdown.c sync.c truncate.c utimes.c
+	pwrite.c reflink.c seek.c shutdown.c stat.c sync.c truncate.c utimes.c
 
 LLDLIBS = $(LIBXCMD) $(LIBHANDLE) $(LIBPTHREAD)
 LTDEPENDENCIES = $(LIBXCMD) $(LIBHANDLE)
diff --git a/io/io.h b/io/io.h
index c40aad0..7e95bd5 100644
--- a/io/io.h
+++ b/io/io.h
@@ -53,7 +53,7 @@ extern fileio_t		*filetable;	/* open file table */
 extern int		filecount;	/* number of open files */
 extern fileio_t		*file;		/* active file in file table */
 extern int filelist_f(void);
-
+extern int stat_f(int argc, char **argv);
 /*
  * Memory mapped file regions
  */
diff --git a/io/open.c b/io/open.c
index 941fdc1..2ed55cf 100644
--- a/io/open.c
+++ b/io/open.c
@@ -39,9 +39,7 @@
 #endif
 
 static cmdinfo_t open_cmd;
-static cmdinfo_t stat_cmd;
 static cmdinfo_t close_cmd;
-static cmdinfo_t statfs_cmd;
 static cmdinfo_t chproj_cmd;
 static cmdinfo_t lsproj_cmd;
 static cmdinfo_t extsize_cmd;
@@ -49,96 +47,6 @@ static cmdinfo_t inode_cmd;
 static prid_t prid;
 static long extsize;
 
-off64_t
-filesize(void)
-{
-	struct stat	st;
-
-	if (fstat(file->fd, &st) < 0) {
-		perror("fstat");
-		return -1;
-	}
-	return st.st_size;
-}
-
-static char *
-filetype(mode_t mode)
-{
-	switch (mode & S_IFMT) {
-	case S_IFSOCK:
-		return _("socket");
-	case S_IFDIR:
-		return _("directory");
-	case S_IFCHR:
-		return _("char device");
-	case S_IFBLK:
-		return _("block device");
-	case S_IFREG:
-		return _("regular file");
-	case S_IFLNK:
-		return _("symbolic link");
-	case S_IFIFO:
-		return _("fifo");
-	}
-	return NULL;
-}
-
-static int
-stat_f(
-	int		argc,
-	char		**argv)
-{
-	struct dioattr	dio;
-	struct fsxattr	fsx, fsxa;
-	struct stat	st;
-	int		verbose = (argc == 2 && !strcmp(argv[1], "-v"));
-
-	printf(_("fd.path = \"%s\"\n"), file->name);
-	printf(_("fd.flags = %s,%s,%s%s%s%s%s\n"),
-		file->flags & IO_OSYNC ? _("sync") : _("non-sync"),
-		file->flags & IO_DIRECT ? _("direct") : _("non-direct"),
-		file->flags & IO_READONLY ? _("read-only") : _("read-write"),
-		file->flags & IO_REALTIME ? _(",real-time") : "",
-		file->flags & IO_APPEND ? _(",append-only") : "",
-		file->flags & IO_NONBLOCK ? _(",non-block") : "",
-		file->flags & IO_TMPFILE ? _(",tmpfile") : "");
-	if (fstat(file->fd, &st) < 0) {
-		perror("fstat");
-	} else {
-		printf(_("stat.ino = %lld\n"), (long long)st.st_ino);
-		printf(_("stat.type = %s\n"), filetype(st.st_mode));
-		printf(_("stat.size = %lld\n"), (long long)st.st_size);
-		printf(_("stat.blocks = %lld\n"), (long long)st.st_blocks);
-		if (verbose) {
-			printf(_("stat.atime = %s"), ctime(&st.st_atime));
-			printf(_("stat.mtime = %s"), ctime(&st.st_mtime));
-			printf(_("stat.ctime = %s"), ctime(&st.st_ctime));
-		}
-	}
-	if (file->flags & IO_FOREIGN)
-		return 0;
-	if ((xfsctl(file->name, file->fd, FS_IOC_FSGETXATTR, &fsx)) < 0 ||
-	    (xfsctl(file->name, file->fd, XFS_IOC_FSGETXATTRA, &fsxa)) < 0) {
-		perror("FS_IOC_FSGETXATTR");
-	} else {
-		printf(_("fsxattr.xflags = 0x%x "), fsx.fsx_xflags);
-		printxattr(fsx.fsx_xflags, verbose, 0, file->name, 1, 1);
-		printf(_("fsxattr.projid = %u\n"), fsx.fsx_projid);
-		printf(_("fsxattr.extsize = %u\n"), fsx.fsx_extsize);
-		printf(_("fsxattr.cowextsize = %u\n"), fsx.fsx_cowextsize);
-		printf(_("fsxattr.nextents = %u\n"), fsx.fsx_nextents);
-		printf(_("fsxattr.naextents = %u\n"), fsxa.fsx_nextents);
-	}
-	if ((xfsctl(file->name, file->fd, XFS_IOC_DIOINFO, &dio)) < 0) {
-		perror("XFS_IOC_DIOINFO");
-	} else {
-		printf(_("dioattr.mem = 0x%x\n"), dio.d_mem);
-		printf(_("dioattr.miniosz = %u\n"), dio.d_miniosz);
-		printf(_("dioattr.maxiosz = %u\n"), dio.d_maxiosz);
-	}
-	return 0;
-}
-
 int
 openfile(
 	char		*path,
@@ -697,58 +605,6 @@ extsize_f(
 	return 0;
 }
 
-static int
-statfs_f(
-	int			argc,
-	char			**argv)
-{
-	struct xfs_fsop_counts	fscounts;
-	struct xfs_fsop_geom	fsgeo;
-	struct statfs		st;
-
-	printf(_("fd.path = \"%s\"\n"), file->name);
-	if (platform_fstatfs(file->fd, &st) < 0) {
-		perror("fstatfs");
-	} else {
-		printf(_("statfs.f_bsize = %lld\n"), (long long) st.f_bsize);
-		printf(_("statfs.f_blocks = %lld\n"), (long long) st.f_blocks);
-		printf(_("statfs.f_bavail = %lld\n"), (long long) st.f_bavail);
-		printf(_("statfs.f_files = %lld\n"), (long long) st.f_files);
-		printf(_("statfs.f_ffree = %lld\n"), (long long) st.f_ffree);
-	}
-	if (file->flags & IO_FOREIGN)
-		return 0;
-	if ((xfsctl(file->name, file->fd, XFS_IOC_FSGEOMETRY_V1, &fsgeo)) < 0) {
-		perror("XFS_IOC_FSGEOMETRY_V1");
-	} else {
-		printf(_("geom.bsize = %u\n"), fsgeo.blocksize);
-		printf(_("geom.agcount = %u\n"), fsgeo.agcount);
-		printf(_("geom.agblocks = %u\n"), fsgeo.agblocks);
-		printf(_("geom.datablocks = %llu\n"),
-			(unsigned long long) fsgeo.datablocks);
-		printf(_("geom.rtblocks = %llu\n"),
-			(unsigned long long) fsgeo.rtblocks);
-		printf(_("geom.rtextents = %llu\n"),
-			(unsigned long long) fsgeo.rtextents);
-		printf(_("geom.rtextsize = %u\n"), fsgeo.rtextsize);
-		printf(_("geom.sunit = %u\n"), fsgeo.sunit);
-		printf(_("geom.swidth = %u\n"), fsgeo.swidth);
-	}
-	if ((xfsctl(file->name, file->fd, XFS_IOC_FSCOUNTS, &fscounts)) < 0) {
-		perror("XFS_IOC_FSCOUNTS");
-	} else {
-		printf(_("counts.freedata = %llu\n"),
-			(unsigned long long) fscounts.freedata);
-		printf(_("counts.freertx = %llu\n"),
-			(unsigned long long) fscounts.freertx);
-		printf(_("counts.freeino = %llu\n"),
-			(unsigned long long) fscounts.freeino);
-		printf(_("counts.allocino = %llu\n"),
-			(unsigned long long) fscounts.allocino);
-	}
-	return 0;
-}
-
 static void
 inode_help(void)
 {
@@ -920,14 +776,6 @@ open_init(void)
 	open_cmd.oneline = _("open the file specified by path");
 	open_cmd.help = open_help;
 
-	stat_cmd.name = "stat";
-	stat_cmd.cfunc = stat_f;
-	stat_cmd.argmin = 0;
-	stat_cmd.argmax = 1;
-	stat_cmd.flags = CMD_NOMAP_OK | CMD_FOREIGN_OK;
-	stat_cmd.args = _("[-v]");
-	stat_cmd.oneline = _("statistics on the currently open file");
-
 	close_cmd.name = "close";
 	close_cmd.altname = "c";
 	close_cmd.cfunc = close_f;
@@ -936,12 +784,6 @@ open_init(void)
 	close_cmd.flags = CMD_NOMAP_OK | CMD_FOREIGN_OK | CMD_FLAG_ONESHOT;
 	close_cmd.oneline = _("close the current open file");
 
-	statfs_cmd.name = "statfs";
-	statfs_cmd.cfunc = statfs_f;
-	statfs_cmd.flags = CMD_NOMAP_OK | CMD_FOREIGN_OK;
-	statfs_cmd.oneline =
-		_("statistics on the filesystem of the currently open file");
-
 	chproj_cmd.name = "chproj";
 	chproj_cmd.cfunc = chproj_f;
 	chproj_cmd.args = _("[-D | -R] projid");
@@ -983,9 +825,7 @@ open_init(void)
 	inode_cmd.help = inode_help;
 
 	add_command(&open_cmd);
-	add_command(&stat_cmd);
 	add_command(&close_cmd);
-	add_command(&statfs_cmd);
 	add_command(&chproj_cmd);
 	add_command(&lsproj_cmd);
 	add_command(&extsize_cmd);
diff --git a/io/stat.c b/io/stat.c
new file mode 100644
index 0000000..3ae9903
--- /dev/null
+++ b/io/stat.c
@@ -0,0 +1,189 @@
+/*
+ * Copyright (c) 2003-2005 Silicon Graphics, Inc.
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write the Free Software Foundation,
+ * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#include "command.h"
+#include "input.h"
+#include "init.h"
+#include "io.h"
+#include "libxfs.h"
+
+static cmdinfo_t stat_cmd;
+static cmdinfo_t statfs_cmd;
+
+off64_t
+filesize(void)
+{
+	struct stat	st;
+
+	if (fstat(file->fd, &st) < 0) {
+		perror("fstat");
+		return -1;
+	}
+	return st.st_size;
+}
+
+static char *
+filetype(mode_t mode)
+{
+	switch (mode & S_IFMT) {
+	case S_IFSOCK:
+		return _("socket");
+	case S_IFDIR:
+		return _("directory");
+	case S_IFCHR:
+		return _("char device");
+	case S_IFBLK:
+		return _("block device");
+	case S_IFREG:
+		return _("regular file");
+	case S_IFLNK:
+		return _("symbolic link");
+	case S_IFIFO:
+		return _("fifo");
+	}
+	return NULL;
+}
+
+int
+stat_f(
+	int		argc,
+	char		**argv)
+{
+	struct dioattr	dio;
+	struct fsxattr	fsx, fsxa;
+	struct stat	st;
+	int		verbose = (argc == 2 && !strcmp(argv[1], "-v"));
+
+	printf(_("fd.path = \"%s\"\n"), file->name);
+	printf(_("fd.flags = %s,%s,%s%s%s%s%s\n"),
+		file->flags & IO_OSYNC ? _("sync") : _("non-sync"),
+		file->flags & IO_DIRECT ? _("direct") : _("non-direct"),
+		file->flags & IO_READONLY ? _("read-only") : _("read-write"),
+		file->flags & IO_REALTIME ? _(",real-time") : "",
+		file->flags & IO_APPEND ? _(",append-only") : "",
+		file->flags & IO_NONBLOCK ? _(",non-block") : "",
+		file->flags & IO_TMPFILE ? _(",tmpfile") : "");
+	if (fstat(file->fd, &st) < 0) {
+		perror("fstat");
+	} else {
+		printf(_("stat.ino = %lld\n"), (long long)st.st_ino);
+		printf(_("stat.type = %s\n"), filetype(st.st_mode));
+		printf(_("stat.size = %lld\n"), (long long)st.st_size);
+		printf(_("stat.blocks = %lld\n"), (long long)st.st_blocks);
+		if (verbose) {
+			printf(_("stat.atime = %s"), ctime(&st.st_atime));
+			printf(_("stat.mtime = %s"), ctime(&st.st_mtime));
+			printf(_("stat.ctime = %s"), ctime(&st.st_ctime));
+		}
+	}
+	if (file->flags & IO_FOREIGN)
+		return 0;
+	if ((xfsctl(file->name, file->fd, FS_IOC_FSGETXATTR, &fsx)) < 0 ||
+	    (xfsctl(file->name, file->fd, XFS_IOC_FSGETXATTRA, &fsxa)) < 0) {
+		perror("FS_IOC_FSGETXATTR");
+	} else {
+		printf(_("fsxattr.xflags = 0x%x "), fsx.fsx_xflags);
+		printxattr(fsx.fsx_xflags, verbose, 0, file->name, 1, 1);
+		printf(_("fsxattr.projid = %u\n"), fsx.fsx_projid);
+		printf(_("fsxattr.extsize = %u\n"), fsx.fsx_extsize);
+		printf(_("fsxattr.cowextsize = %u\n"), fsx.fsx_cowextsize);
+		printf(_("fsxattr.nextents = %u\n"), fsx.fsx_nextents);
+		printf(_("fsxattr.naextents = %u\n"), fsxa.fsx_nextents);
+	}
+	if ((xfsctl(file->name, file->fd, XFS_IOC_DIOINFO, &dio)) < 0) {
+		perror("XFS_IOC_DIOINFO");
+	} else {
+		printf(_("dioattr.mem = 0x%x\n"), dio.d_mem);
+		printf(_("dioattr.miniosz = %u\n"), dio.d_miniosz);
+		printf(_("dioattr.maxiosz = %u\n"), dio.d_maxiosz);
+	}
+	return 0;
+}
+
+static int
+statfs_f(
+	int			argc,
+	char			**argv)
+{
+	struct xfs_fsop_counts	fscounts;
+	struct xfs_fsop_geom	fsgeo;
+	struct statfs		st;
+
+	printf(_("fd.path = \"%s\"\n"), file->name);
+	if (platform_fstatfs(file->fd, &st) < 0) {
+		perror("fstatfs");
+	} else {
+		printf(_("statfs.f_bsize = %lld\n"), (long long) st.f_bsize);
+		printf(_("statfs.f_blocks = %lld\n"), (long long) st.f_blocks);
+		printf(_("statfs.f_bavail = %lld\n"), (long long) st.f_bavail);
+		printf(_("statfs.f_files = %lld\n"), (long long) st.f_files);
+		printf(_("statfs.f_ffree = %lld\n"), (long long) st.f_ffree);
+	}
+	if (file->flags & IO_FOREIGN)
+		return 0;
+	if ((xfsctl(file->name, file->fd, XFS_IOC_FSGEOMETRY_V1, &fsgeo)) < 0) {
+		perror("XFS_IOC_FSGEOMETRY_V1");
+	} else {
+		printf(_("geom.bsize = %u\n"), fsgeo.blocksize);
+		printf(_("geom.agcount = %u\n"), fsgeo.agcount);
+		printf(_("geom.agblocks = %u\n"), fsgeo.agblocks);
+		printf(_("geom.datablocks = %llu\n"),
+			(unsigned long long) fsgeo.datablocks);
+		printf(_("geom.rtblocks = %llu\n"),
+			(unsigned long long) fsgeo.rtblocks);
+		printf(_("geom.rtextents = %llu\n"),
+			(unsigned long long) fsgeo.rtextents);
+		printf(_("geom.rtextsize = %u\n"), fsgeo.rtextsize);
+		printf(_("geom.sunit = %u\n"), fsgeo.sunit);
+		printf(_("geom.swidth = %u\n"), fsgeo.swidth);
+	}
+	if ((xfsctl(file->name, file->fd, XFS_IOC_FSCOUNTS, &fscounts)) < 0) {
+		perror("XFS_IOC_FSCOUNTS");
+	} else {
+		printf(_("counts.freedata = %llu\n"),
+			(unsigned long long) fscounts.freedata);
+		printf(_("counts.freertx = %llu\n"),
+			(unsigned long long) fscounts.freertx);
+		printf(_("counts.freeino = %llu\n"),
+			(unsigned long long) fscounts.freeino);
+		printf(_("counts.allocino = %llu\n"),
+			(unsigned long long) fscounts.allocino);
+	}
+	return 0;
+}
+
+void
+stat_init(void)
+{
+	stat_cmd.name = "stat";
+	stat_cmd.cfunc = stat_f;
+	stat_cmd.argmin = 0;
+	stat_cmd.argmax = 1;
+	stat_cmd.flags = CMD_NOMAP_OK | CMD_FOREIGN_OK;
+	stat_cmd.args = _("[-v]");
+	stat_cmd.oneline = _("statistics on the currently open file");
+
+	statfs_cmd.name = "statfs";
+	statfs_cmd.cfunc = statfs_f;
+	statfs_cmd.flags = CMD_NOMAP_OK | CMD_FOREIGN_OK;
+	statfs_cmd.oneline =
+		_("statistics on the filesystem of the currently open file");
+
+	add_command(&stat_cmd);
+	add_command(&statfs_cmd);
+}