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| author | Denys Vlasenko <vda.linux@googlemail.com> | 2015-12-30 20:11:34 +0100 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2015-12-30 20:11:34 +0100 |
| commit | 911d265faf34c90158f5ba0ef81d1d558ec595e6 (patch) | |
| tree | 964f68fc509436203e49de5c4fad1cf142759a73 | |
| parent | ce4bc1ed048233e89ee4cb95830bf6f01d523d1e (diff) | |
| download | busybox-911d265faf34c90158f5ba0ef81d1d558ec595e6.tar.gz | |
mount: support "nofail" option. Closes 8551
function old new delta
singlemount 1045 1060 +15
mount_option_str 338 345 +7
mount_it_now 355 361 +6
mount_options 172 176 +4
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 4/0 up/down: 32/0) Total: 32 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | util-linux/mount.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/util-linux/mount.c b/util-linux/mount.c index cb40c802d..c428f5827 100644 --- a/util-linux/mount.c +++ b/util-linux/mount.c @@ -259,9 +259,11 @@ static struct mntent *getmntent_r(FILE* stream, struct mntent* result, // Not real flags, but we want to be able to check for this. enum { - MOUNT_USERS = (1 << 28) * ENABLE_DESKTOP, + MOUNT_USERS = (1 << 27) * ENABLE_DESKTOP, + MOUNT_NOFAIL = (1 << 28) * ENABLE_DESKTOP, MOUNT_NOAUTO = (1 << 29), MOUNT_SWAP = (1 << 30), + MOUNT_FAKEFLAGS = MOUNT_USERS | MOUNT_NOFAIL | MOUNT_NOAUTO | MOUNT_SWAP }; @@ -326,6 +328,7 @@ static const int32_t mount_options[] = { /* "swap" */ MOUNT_SWAP, IF_DESKTOP(/* "user" */ MOUNT_USERS,) IF_DESKTOP(/* "users" */ MOUNT_USERS,) + IF_DESKTOP(/* "nofail" */ MOUNT_NOFAIL,) /* "_netdev" */ 0, IF_DESKTOP(/* "comment=" */ 0,) /* systemd uses this in fstab */ ) @@ -385,6 +388,7 @@ static const char mount_option_str[] = "swap\0" IF_DESKTOP("user\0") IF_DESKTOP("users\0") + IF_DESKTOP("nofail\0") "_netdev\0" IF_DESKTOP("comment=\0") /* systemd uses this in fstab */ ) @@ -672,6 +676,8 @@ static int mount_it_now(struct mntent *mp, unsigned long vfsflags, char *filtero { int rc = 0; + vfsflags &= ~(unsigned long)MOUNT_FAKEFLAGS; + if (FAKE_IT) { if (verbose >= 2) bb_error_msg("would do mount('%s','%s','%s',0x%08lx,'%s')", @@ -2061,6 +2067,8 @@ static int singlemount(struct mntent *mp, int ignore_busy) if (errno == EBUSY && ignore_busy) return 0; + if (errno == ENOENT && (vfsflags & MOUNT_NOFAIL)) + return 0; if (rc != 0) bb_perror_msg("mounting %s on %s failed", mp->mnt_fsname, mp->mnt_dir); return rc; |