diff options
Diffstat (limited to 'libmount/src/context.c')
| -rw-r--r-- | libmount/src/context.c | 47 |
1 files changed, 46 insertions, 1 deletions
diff --git a/libmount/src/context.c b/libmount/src/context.c index e731749b4..6a7c7d351 100644 --- a/libmount/src/context.c +++ b/libmount/src/context.c @@ -172,6 +172,7 @@ int mnt_reset_context(struct libmnt_context *cxt) cxt->flags |= (fl & MNT_FL_FORCE); cxt->flags |= (fl & MNT_FL_NOCANONICALIZE); cxt->flags |= (fl & MNT_FL_RDONLY_UMOUNT); + cxt->flags |= (fl & MNT_FL_RWONLY_MOUNT); cxt->flags |= (fl & MNT_FL_NOSWAPMATCH); cxt->flags |= (fl & MNT_FL_TABPATHS_CHECKED); return 0; @@ -478,6 +479,48 @@ int mnt_context_is_rdonly_umount(struct libmnt_context *cxt) } /** + * mnt_context_enable_rwonly_mount: + * @cxt: mount context + * @enable: TRUE or FALSE + * + * Force read-write mount; if enabled libmount will never try MS_RDONLY + * after failed mount(2) EROFS. (See mount(8) man page, option -w). + * + * Returns: 0 on success, negative number in case of error. + */ +int mnt_context_enable_rwonly_mount(struct libmnt_context *cxt, int enable) +{ + return set_flag(cxt, MNT_FL_RWONLY_MOUNT, enable); +} + +/** + * mnt_context_is_rwonly_mount + * @cxt: mount context + * + * See also mnt_context_enable_rwonly_mount() and mount(8) man page, + * option -w. + * + * Returns: 1 if only read-write mount is allowed. + */ +int mnt_context_is_rwonly_mount(struct libmnt_context *cxt) +{ + return cxt->flags & MNT_FL_RWONLY_MOUNT ? 1 : 0; +} + +/** + * mnt_context_forced_rdonly: + * @cxt: mount context + * + * See also mnt_context_enable_rwonly_mount(). + * + * Returns: 1 if mounted read-only on write-protected device. + */ +int mnt_context_forced_rdonly(struct libmnt_context *cxt) +{ + return cxt->flags & MNT_FL_FORCED_RDONLY ? 1 : 0; +} + +/** * mnt_context_disable_helpers: * @cxt: mount context * @disable: TRUE or FALSE @@ -2002,8 +2045,10 @@ int mnt_context_apply_fstab(struct libmnt_context *cxt) if (!cxt || !cxt->fs) return -EINVAL; - if (mnt_context_tab_applied(cxt)) /* already applied */ + if (mnt_context_tab_applied(cxt)) { /* already applied */ + DBG(CXT, ul_debugobj(cxt, "fstab already applied -- skip")); return 0; + } if (mnt_context_is_restricted(cxt)) { DBG(CXT, ul_debugobj(cxt, "force fstab usage for non-root users!")); |