From b4133683a46303c624b42e2cf8515e54dfdd87be Mon Sep 17 00:00:00 2001 From: Denis Vlasenko Date: Mon, 18 Feb 2008 13:05:38 +0000 Subject: [PATCH] mount: with -vv -f, say what mount() calls we were going to make 782357 728 7476 790561 c1021 busybox_old 782429 728 7476 790633 c1069 busybox_unstripped --- util-linux/mount.c | 37 ++++++++++++++++++++++++------------- 1 file changed, 24 insertions(+), 13 deletions(-) diff --git a/util-linux/mount.c b/util-linux/mount.c index cd8fef9ee..8b3230935 100644 --- a/util-linux/mount.c +++ b/util-linux/mount.c @@ -216,7 +216,11 @@ struct globals { }; #define G (*(struct globals*)&bb_common_bufsiz1) #define nfs_mount_version (G.nfs_mount_version) +#if ENABLE_FEATURE_MOUNT_VERBOSE #define verbose (G.verbose ) +#else +#define verbose 0 +#endif #define fslist (G.fslist ) #define getmntent_buf (G.getmntent_buf ) @@ -231,9 +235,10 @@ static int verbose_mount(const char *source, const char *target, errno = 0; rc = mount(source, target, filesystemtype, mountflags, data); if (verbose >= 2) - bb_perror_msg("mount('%s','%s','%s',0x%08lx,'%s'):%d", - source, target, filesystemtype, - mountflags, (char*)data, rc); + bb_perror_msg("would do mount('%s','%s','%s',0x%08lx,'%s'):%d" + + (sizeof("would do ")-1), + source, target, filesystemtype, + mountflags, (char*)data, rc); return rc; } #else @@ -274,9 +279,9 @@ static void append_mount_options(char **oldopts, const char *newopts) /* Use the mount_options list to parse options into flags. * Also return list of unrecognized options if unrecognized!=NULL */ -static int parse_mount_options(char *options, char **unrecognized) +static long parse_mount_options(char *options, char **unrecognized) { - int flags = MS_SILENT; + long flags = MS_SILENT; // Loop through options for (;;) { @@ -360,11 +365,17 @@ void delete_block_backed_filesystems(void); // Perform actual mount of specific filesystem at specific location. // NB: mp->xxx fields may be trashed on exit -static int mount_it_now(struct mntent *mp, int vfsflags, char *filteropts) +static int mount_it_now(struct mntent *mp, long vfsflags, char *filteropts) { int rc = 0; - if (fakeIt) goto mtab; + if (fakeIt) { + if (verbose >= 2) + bb_error_msg("would do mount('%s','%s','%s',0x%08lx,'%s')", + mp->mnt_fsname, mp->mnt_dir, mp->mnt_type, + vfsflags, filteropts); + goto mtab; + } // Mount, with fallback to read-only if necessary. for (;;) { @@ -898,7 +909,7 @@ static void error_msg_rpc(const char *msg) } // NB: mp->xxx fields may be trashed on exit -static int nfsmount(struct mntent *mp, int vfsflags, char *filteropts) +static int nfsmount(struct mntent *mp, long vfsflags, char *filteropts) { CLIENT *mclient; char *hostname; @@ -1507,7 +1518,7 @@ static int nfsmount(struct mntent *mp, int vfsflags, char *filteropts) #else /* !ENABLE_FEATURE_MOUNT_NFS */ /* Never called. Call should be optimized out. */ -int nfsmount(struct mntent *mp, int vfsflags, char *filteropts); +int nfsmount(struct mntent *mp, long vfsflags, char *filteropts); #endif /* !ENABLE_FEATURE_MOUNT_NFS */ @@ -1516,7 +1527,8 @@ int nfsmount(struct mntent *mp, int vfsflags, char *filteropts); // NB: mp->xxx fields may be trashed on exit static int singlemount(struct mntent *mp, int ignore_busy) { - int rc = -1, vfsflags; + int rc = -1; + long vfsflags; char *loopFile = 0, *filteropts = 0; llist_t *fl = 0; struct stat st; @@ -1702,9 +1714,8 @@ int mount_main(int argc, char **argv) unsigned opt; struct mntent mtpair[2], *mtcur = mtpair; SKIP_DESKTOP(const int nonroot = 0;) - USE_DESKTOP( int nonroot = (getuid() != 0);) - sanitize_env_if_suid(); + USE_DESKTOP( int nonroot = ) sanitize_env_if_suid(); // Parse long options, like --bind and --move. Note that -o option // and --option are synonymous. Yes, this means --remount,rw works. @@ -1774,7 +1785,7 @@ int mount_main(int argc, char **argv) goto clean_up; } - i = parse_mount_options(cmdopts, 0); + i = parse_mount_options(cmdopts, 0); // FIXME: should be "long", not "int" if (nonroot && (i & ~MS_SILENT)) // Non-root users cannot specify flags bb_error_msg_and_die(must_be_root); -- 2.25.1