diff options
Diffstat (limited to 'fs/autofs4')
-rw-r--r-- | fs/autofs4/autofs_i.h | 2 | ||||
-rw-r--r-- | fs/autofs4/dev-ioctl.c | 75 | ||||
-rw-r--r-- | fs/autofs4/expire.c | 4 | ||||
-rw-r--r-- | fs/autofs4/inode.c | 14 | ||||
-rw-r--r-- | fs/autofs4/waitq.c | 8 |
5 files changed, 53 insertions, 50 deletions
diff --git a/fs/autofs4/autofs_i.h b/fs/autofs4/autofs_i.h index e0f16da00e5..a76803108d0 100644 --- a/fs/autofs4/autofs_i.h +++ b/fs/autofs4/autofs_i.h @@ -25,8 +25,6 @@ #define AUTOFS_DEV_IOCTL_IOC_FIRST (AUTOFS_DEV_IOCTL_VERSION) #define AUTOFS_DEV_IOCTL_IOC_COUNT (AUTOFS_IOC_COUNT - 11) -#define AUTOFS_TYPE_TRIGGER (AUTOFS_TYPE_DIRECT|AUTOFS_TYPE_OFFSET) - #include <linux/kernel.h> #include <linux/slab.h> #include <linux/time.h> diff --git a/fs/autofs4/dev-ioctl.c b/fs/autofs4/dev-ioctl.c index 63b7c7afe8d..025e105bffe 100644 --- a/fs/autofs4/dev-ioctl.c +++ b/fs/autofs4/dev-ioctl.c @@ -124,7 +124,7 @@ static inline void free_dev_ioctl(struct autofs_dev_ioctl *param) /* * Check sanity of parameter control fields and if a path is present - * check that it has a "/" and is terminated. + * check that it is terminated and contains at least one "/". */ static int validate_dev_ioctl(int cmd, struct autofs_dev_ioctl *param) { @@ -138,15 +138,16 @@ static int validate_dev_ioctl(int cmd, struct autofs_dev_ioctl *param) } if (param->size > sizeof(*param)) { - err = check_name(param->path); + err = invalid_str(param->path, + (void *) ((size_t) param + param->size)); if (err) { - AUTOFS_WARN("invalid path supplied for cmd(0x%08x)", - cmd); + AUTOFS_WARN( + "path string terminator missing for cmd(0x%08x)", + cmd); goto out; } - err = invalid_str(param->path, - (void *) ((size_t) param + param->size)); + err = check_name(param->path); if (err) { AUTOFS_WARN("invalid path supplied for cmd(0x%08x)", cmd); @@ -180,7 +181,7 @@ static int autofs_dev_ioctl_protover(struct file *fp, struct autofs_sb_info *sbi, struct autofs_dev_ioctl *param) { - param->arg1 = sbi->version; + param->protover.version = sbi->version; return 0; } @@ -189,7 +190,7 @@ static int autofs_dev_ioctl_protosubver(struct file *fp, struct autofs_sb_info *sbi, struct autofs_dev_ioctl *param) { - param->arg1 = sbi->sub_version; + param->protosubver.sub_version = sbi->sub_version; return 0; } @@ -335,13 +336,13 @@ static int autofs_dev_ioctl_openmount(struct file *fp, int err, fd; /* param->path has already been checked */ - if (!param->arg1) + if (!param->openmount.devid) return -EINVAL; param->ioctlfd = -1; path = param->path; - devid = param->arg1; + devid = param->openmount.devid; err = 0; fd = autofs_dev_ioctl_open_mountpoint(path, devid); @@ -373,7 +374,7 @@ static int autofs_dev_ioctl_ready(struct file *fp, { autofs_wqt_t token; - token = (autofs_wqt_t) param->arg1; + token = (autofs_wqt_t) param->ready.token; return autofs4_wait_release(sbi, token, 0); } @@ -388,8 +389,8 @@ static int autofs_dev_ioctl_fail(struct file *fp, autofs_wqt_t token; int status; - token = (autofs_wqt_t) param->arg1; - status = param->arg2 ? param->arg2 : -ENOENT; + token = (autofs_wqt_t) param->fail.token; + status = param->fail.status ? param->fail.status : -ENOENT; return autofs4_wait_release(sbi, token, status); } @@ -412,10 +413,10 @@ static int autofs_dev_ioctl_setpipefd(struct file *fp, int pipefd; int err = 0; - if (param->arg1 == -1) + if (param->setpipefd.pipefd == -1) return -EINVAL; - pipefd = param->arg1; + pipefd = param->setpipefd.pipefd; mutex_lock(&sbi->wq_mutex); if (!sbi->catatonic) { @@ -457,8 +458,8 @@ static int autofs_dev_ioctl_timeout(struct file *fp, { unsigned long timeout; - timeout = param->arg1; - param->arg1 = sbi->exp_timeout / HZ; + timeout = param->timeout.timeout; + param->timeout.timeout = sbi->exp_timeout / HZ; sbi->exp_timeout = timeout * HZ; return 0; } @@ -489,7 +490,7 @@ static int autofs_dev_ioctl_requester(struct file *fp, path = param->path; devid = sbi->sb->s_dev; - param->arg1 = param->arg2 = -1; + param->requester.uid = param->requester.gid = -1; /* Get nameidata of the parent directory */ err = path_lookup(path, LOOKUP_PARENT, &nd); @@ -505,8 +506,8 @@ static int autofs_dev_ioctl_requester(struct file *fp, err = 0; autofs4_expire_wait(nd.path.dentry); spin_lock(&sbi->fs_lock); - param->arg1 = ino->uid; - param->arg2 = ino->gid; + param->requester.uid = ino->uid; + param->requester.gid = ino->gid; spin_unlock(&sbi->fs_lock); } @@ -529,10 +530,10 @@ static int autofs_dev_ioctl_expire(struct file *fp, int err = -EAGAIN; int how; - how = param->arg1; + how = param->expire.how; mnt = fp->f_path.mnt; - if (sbi->type & AUTOFS_TYPE_TRIGGER) + if (autofs_type_trigger(sbi->type)) dentry = autofs4_expire_direct(sbi->sb, mnt, sbi, how); else dentry = autofs4_expire_indirect(sbi->sb, mnt, sbi, how); @@ -565,9 +566,9 @@ static int autofs_dev_ioctl_askumount(struct file *fp, struct autofs_sb_info *sbi, struct autofs_dev_ioctl *param) { - param->arg1 = 0; + param->askumount.may_umount = 0; if (may_umount(fp->f_path.mnt)) - param->arg1 = 1; + param->askumount.may_umount = 1; return 0; } @@ -600,6 +601,7 @@ static int autofs_dev_ioctl_ismountpoint(struct file *fp, struct nameidata nd; const char *path; unsigned int type; + unsigned int devid, magic; int err = -ENOENT; if (param->size <= sizeof(*param)) { @@ -608,13 +610,13 @@ static int autofs_dev_ioctl_ismountpoint(struct file *fp, } path = param->path; - type = param->arg1; + type = param->ismountpoint.in.type; - param->arg1 = 0; - param->arg2 = 0; + param->ismountpoint.out.devid = devid = 0; + param->ismountpoint.out.magic = magic = 0; if (!fp || param->ioctlfd == -1) { - if (type == AUTOFS_TYPE_ANY) { + if (autofs_type_any(type)) { struct super_block *sb; err = path_lookup(path, LOOKUP_FOLLOW, &nd); @@ -622,7 +624,7 @@ static int autofs_dev_ioctl_ismountpoint(struct file *fp, goto out; sb = nd.path.dentry->d_sb; - param->arg1 = new_encode_dev(sb->s_dev); + devid = new_encode_dev(sb->s_dev); } else { struct autofs_info *ino; @@ -635,38 +637,41 @@ static int autofs_dev_ioctl_ismountpoint(struct file *fp, goto out_release; ino = autofs4_dentry_ino(nd.path.dentry); - param->arg1 = autofs4_get_dev(ino->sbi); + devid = autofs4_get_dev(ino->sbi); } err = 0; if (nd.path.dentry->d_inode && nd.path.mnt->mnt_root == nd.path.dentry) { err = 1; - param->arg2 = nd.path.dentry->d_inode->i_sb->s_magic; + magic = nd.path.dentry->d_inode->i_sb->s_magic; } } else { - dev_t devid = new_encode_dev(sbi->sb->s_dev); + dev_t dev = autofs4_get_dev(sbi); err = path_lookup(path, LOOKUP_PARENT, &nd); if (err) goto out; - err = autofs_dev_ioctl_find_super(&nd, devid); + err = autofs_dev_ioctl_find_super(&nd, dev); if (err) goto out_release; - param->arg1 = autofs4_get_dev(sbi); + devid = dev; err = have_submounts(nd.path.dentry); if (nd.path.mnt->mnt_mountpoint != nd.path.mnt->mnt_root) { if (follow_down(&nd.path.mnt, &nd.path.dentry)) { struct inode *inode = nd.path.dentry->d_inode; - param->arg2 = inode->i_sb->s_magic; + magic = inode->i_sb->s_magic; } } } + param->ismountpoint.out.devid = devid; + param->ismountpoint.out.magic = magic; + out_release: path_put(&nd.path); out: diff --git a/fs/autofs4/expire.c b/fs/autofs4/expire.c index 4b6fb3f628c..e3bd50776f9 100644 --- a/fs/autofs4/expire.c +++ b/fs/autofs4/expire.c @@ -63,7 +63,7 @@ static int autofs4_mount_busy(struct vfsmount *mnt, struct dentry *dentry) struct autofs_sb_info *sbi = autofs4_sbi(dentry->d_sb); /* This is an autofs submount, we can't expire it */ - if (sbi->type == AUTOFS_TYPE_INDIRECT) + if (autofs_type_indirect(sbi->type)) goto done; /* @@ -490,7 +490,7 @@ int autofs4_expire_multi(struct super_block *sb, struct vfsmount *mnt, if (arg && get_user(do_now, arg)) return -EFAULT; - if (sbi->type & AUTOFS_TYPE_TRIGGER) + if (autofs_type_trigger(sbi->type)) dentry = autofs4_expire_direct(sb, mnt, sbi, do_now); else dentry = autofs4_expire_indirect(sb, mnt, sbi, do_now); diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c index cfc23e53b6f..716e12b627b 100644 --- a/fs/autofs4/inode.c +++ b/fs/autofs4/inode.c @@ -197,9 +197,9 @@ static int autofs4_show_options(struct seq_file *m, struct vfsmount *mnt) seq_printf(m, ",minproto=%d", sbi->min_proto); seq_printf(m, ",maxproto=%d", sbi->max_proto); - if (sbi->type & AUTOFS_TYPE_OFFSET) + if (autofs_type_offset(sbi->type)) seq_printf(m, ",offset"); - else if (sbi->type & AUTOFS_TYPE_DIRECT) + else if (autofs_type_direct(sbi->type)) seq_printf(m, ",direct"); else seq_printf(m, ",indirect"); @@ -284,13 +284,13 @@ static int parse_options(char *options, int *pipefd, uid_t *uid, gid_t *gid, *maxproto = option; break; case Opt_indirect: - *type = AUTOFS_TYPE_INDIRECT; + set_autofs_type_indirect(type); break; case Opt_direct: - *type = AUTOFS_TYPE_DIRECT; + set_autofs_type_direct(type); break; case Opt_offset: - *type = AUTOFS_TYPE_OFFSET; + set_autofs_type_offset(type); break; default: return 1; @@ -338,7 +338,7 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent) sbi->sb = s; sbi->version = 0; sbi->sub_version = 0; - sbi->type = AUTOFS_TYPE_INDIRECT; + set_autofs_type_indirect(&sbi->type); sbi->min_proto = 0; sbi->max_proto = 0; mutex_init(&sbi->wq_mutex); @@ -380,7 +380,7 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent) } root_inode->i_fop = &autofs4_root_operations; - root_inode->i_op = sbi->type & AUTOFS_TYPE_TRIGGER ? + root_inode->i_op = autofs_type_trigger(sbi->type) ? &autofs4_direct_root_inode_operations : &autofs4_indirect_root_inode_operations; diff --git a/fs/autofs4/waitq.c b/fs/autofs4/waitq.c index e02cc8ae5eb..eeb24684590 100644 --- a/fs/autofs4/waitq.c +++ b/fs/autofs4/waitq.c @@ -337,7 +337,7 @@ int autofs4_wait(struct autofs_sb_info *sbi, struct dentry *dentry, * is very similar for indirect mounts except only dentrys * in the root of the autofs file system may be negative. */ - if (sbi->type & AUTOFS_TYPE_TRIGGER) + if (autofs_type_trigger(sbi->type)) return -ENOENT; else if (!IS_ROOT(dentry->d_parent)) return -ENOENT; @@ -348,7 +348,7 @@ int autofs4_wait(struct autofs_sb_info *sbi, struct dentry *dentry, return -ENOMEM; /* If this is a direct mount request create a dummy name */ - if (IS_ROOT(dentry) && sbi->type & AUTOFS_TYPE_TRIGGER) + if (IS_ROOT(dentry) && autofs_type_trigger(sbi->type)) qstr.len = sprintf(name, "%p", dentry); else { qstr.len = autofs4_getpath(sbi, dentry, &name); @@ -406,11 +406,11 @@ int autofs4_wait(struct autofs_sb_info *sbi, struct dentry *dentry, type = autofs_ptype_expire_multi; } else { if (notify == NFY_MOUNT) - type = (sbi->type & AUTOFS_TYPE_TRIGGER) ? + type = autofs_type_trigger(sbi->type) ? autofs_ptype_missing_direct : autofs_ptype_missing_indirect; else - type = (sbi->type & AUTOFS_TYPE_TRIGGER) ? + type = autofs_type_trigger(sbi->type) ? autofs_ptype_expire_direct : autofs_ptype_expire_indirect; } |