diff options
| -rw-r--r-- | fs/hostfs/hostfs.h | 11 | ||||
| -rw-r--r-- | fs/hostfs/hostfs_kern.c | 186 | ||||
| -rw-r--r-- | fs/hostfs/hostfs_user.c | 141 |
3 files changed, 167 insertions, 171 deletions
diff --git a/fs/hostfs/hostfs.h b/fs/hostfs/hostfs.h index d8850c7..06e5930 100644 --- a/fs/hostfs/hostfs.h +++ b/fs/hostfs/hostfs.h @@ -87,14 +87,3 @@ extern int do_statfs(char *root, long *bsize_out, long long *blocks_out, long *spare_out); #endif - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c index 4e8bb2f..8286491 100644 --- a/fs/hostfs/hostfs_kern.c +++ b/fs/hostfs/hostfs_kern.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com) + * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) * Licensed under the GPL * * Ported the filesystem routines to 2.5. @@ -31,14 +31,14 @@ struct hostfs_inode_info { static inline struct hostfs_inode_info *HOSTFS_I(struct inode *inode) { - return(list_entry(inode, struct hostfs_inode_info, vfs_inode)); + return list_entry(inode, struct hostfs_inode_info, vfs_inode); } #define FILE_HOSTFS_I(file) HOSTFS_I((file)->f_path.dentry->d_inode) int hostfs_d_delete(struct dentry *dentry) { - return(1); + return 1; } struct dentry_operations hostfs_dentry_ops = { @@ -79,7 +79,7 @@ static int __init hostfs_args(char *options, int *add) } options = ptr; } - return(0); + return 0; } __uml_setup("hostfs=", hostfs_args, @@ -110,7 +110,8 @@ static char *dentry_name(struct dentry *dentry, int extra) root = HOSTFS_I(parent->d_inode)->host_filename; len += strlen(root); name = kmalloc(len + extra + 1, GFP_KERNEL); - if(name == NULL) return(NULL); + if(name == NULL) + return NULL; name[len] = '\0'; parent = dentry; @@ -122,7 +123,7 @@ static char *dentry_name(struct dentry *dentry, int extra) parent = parent->d_parent; } strncpy(name, root, strlen(root)); - return(name); + return name; } static char *inode_name(struct inode *ino, int extra) @@ -130,7 +131,7 @@ static char *inode_name(struct inode *ino, int extra) struct dentry *dentry; dentry = list_entry(ino->i_dentry.next, struct dentry, d_alias); - return(dentry_name(dentry, extra)); + return dentry_name(dentry, extra); } static int read_name(struct inode *ino, char *name) @@ -149,14 +150,14 @@ static int read_name(struct inode *ino, char *name) &ino->i_gid, &i_size, &ino->i_atime, &ino->i_mtime, &ino->i_ctime, &i_blksize, &i_blocks, -1); if(err) - return(err); + return err; ino->i_ino = i_ino; ino->i_mode = i_mode; ino->i_nlink = i_nlink; ino->i_size = i_size; ino->i_blocks = i_blocks; - return(0); + return 0; } static char *follow_link(char *link) @@ -181,11 +182,11 @@ static char *follow_link(char *link) goto out_free; if(*name == '/') - return(name); + return name; end = strrchr(link, '/'); if(end == NULL) - return(name); + return name; *(end + 1) = '\0'; len = strlen(link) + strlen(name) + 1; @@ -199,12 +200,12 @@ static char *follow_link(char *link) sprintf(resolved, "%s%s", link, name); kfree(name); kfree(link); - return(resolved); + return resolved; out_free: kfree(name); out: - return(ERR_PTR(n)); + return ERR_PTR(n); } static int read_inode(struct inode *ino) @@ -234,7 +235,7 @@ static int read_inode(struct inode *ino) err = read_name(ino, name); kfree(name); out: - return(err); + return err; } int hostfs_statfs(struct dentry *dentry, struct kstatfs *sf) @@ -254,14 +255,15 @@ int hostfs_statfs(struct dentry *dentry, struct kstatfs *sf) &sf->f_bsize, &f_blocks, &f_bfree, &f_bavail, &f_files, &f_ffree, &sf->f_fsid, sizeof(sf->f_fsid), &sf->f_namelen, sf->f_spare); - if(err) return(err); + if(err) + return err; sf->f_blocks = f_blocks; sf->f_bfree = f_bfree; sf->f_bavail = f_bavail; sf->f_files = f_files; sf->f_ffree = f_ffree; sf->f_type = HOSTFS_SUPER_MAGIC; - return(0); + return 0; } static struct inode *hostfs_alloc_inode(struct super_block *sb) @@ -270,13 +272,13 @@ static struct inode *hostfs_alloc_inode(struct super_block *sb) hi = kmalloc(sizeof(*hi), GFP_KERNEL); if(hi == NULL) - return(NULL); + return NULL; *hi = ((struct hostfs_inode_info) { .host_filename = NULL, .fd = -1, .mode = 0 }); inode_init_once(&hi->vfs_inode); - return(&hi->vfs_inode); + return &hi->vfs_inode; } static void hostfs_delete_inode(struct inode *inode) @@ -325,10 +327,12 @@ int hostfs_readdir(struct file *file, void *ent, filldir_t filldir) int error, len; name = dentry_name(file->f_path.dentry, 0); - if(name == NULL) return(-ENOMEM); + if(name == NULL) + return -ENOMEM; dir = open_dir(name, &error); kfree(name); - if(dir == NULL) return(-error); + if(dir == NULL) + return -error; next = file->f_pos; while((name = read_dir(dir, &next, &ino, &len)) != NULL){ error = (*filldir)(ent, name, len, file->f_pos, @@ -337,7 +341,7 @@ int hostfs_readdir(struct file *file, void *ent, filldir_t filldir) file->f_pos = next; } close_dir(dir); - return(0); + return 0; } int hostfs_file_open(struct inode *ino, struct file *file) @@ -347,7 +351,7 @@ int hostfs_file_open(struct inode *ino, struct file *file) mode = file->f_mode & (FMODE_READ | FMODE_WRITE); if((mode & HOSTFS_I(ino)->mode) == mode) - return(0); + return 0; /* The file may already have been opened, but with the wrong access, * so this resets things and reopens the file with the new access. @@ -367,14 +371,15 @@ int hostfs_file_open(struct inode *ino, struct file *file) name = dentry_name(file->f_path.dentry, 0); if(name == NULL) - return(-ENOMEM); + return -ENOMEM; fd = open_file(name, r, w, append); kfree(name); - if(fd < 0) return(fd); + if(fd < 0) + return fd; FILE_HOSTFS_I(file)->fd = fd; - return(0); + return 0; } int hostfs_fsync(struct file *file, struct dentry *dentry, int datasync) @@ -458,7 +463,7 @@ int hostfs_readpage(struct file *file, struct page *page) out: kunmap(page); unlock_page(page); - return(err); + return err; } int hostfs_prepare_write(struct file *file, struct page *page, @@ -485,7 +490,7 @@ int hostfs_prepare_write(struct file *file, struct page *page, err = 0; out: kunmap(page); - return(err); + return err; } int hostfs_commit_write(struct file *file, struct page *page, unsigned from, @@ -511,7 +516,7 @@ int hostfs_commit_write(struct file *file, struct page *page, unsigned from, inode->i_size = start; kunmap(page); - return(err); + return err; } static const struct address_space_operations hostfs_aops = { @@ -569,7 +574,7 @@ static int init_inode(struct inode *inode, struct dentry *dentry) break; } out: - return(err); + return err; } int hostfs_create(struct inode *dir, struct dentry *dentry, int mode, @@ -607,16 +612,16 @@ int hostfs_create(struct inode *dir, struct dentry *dentry, int mode, HOSTFS_I(inode)->fd = fd; HOSTFS_I(inode)->mode = FMODE_READ | FMODE_WRITE; d_instantiate(dentry, inode); - return(0); + return 0; out_put: iput(inode); out: - return(error); + return error; } struct dentry *hostfs_lookup(struct inode *ino, struct dentry *dentry, - struct nameidata *nd) + struct nameidata *nd) { struct inode *inode; char *name; @@ -647,44 +652,45 @@ struct dentry *hostfs_lookup(struct inode *ino, struct dentry *dentry, d_add(dentry, inode); dentry->d_op = &hostfs_dentry_ops; - return(NULL); + return NULL; out_put: iput(inode); out: - return(ERR_PTR(err)); + return ERR_PTR(err); } static char *inode_dentry_name(struct inode *ino, struct dentry *dentry) { - char *file; + char *file; int len; file = inode_name(ino, dentry->d_name.len + 1); - if(file == NULL) return(NULL); - strcat(file, "/"); + if(file == NULL) + return NULL; + strcat(file, "/"); len = strlen(file); - strncat(file, dentry->d_name.name, dentry->d_name.len); + strncat(file, dentry->d_name.name, dentry->d_name.len); file[len + dentry->d_name.len] = '\0'; - return(file); + return file; } int hostfs_link(struct dentry *to, struct inode *ino, struct dentry *from) { - char *from_name, *to_name; - int err; + char *from_name, *to_name; + int err; - if((from_name = inode_dentry_name(ino, from)) == NULL) - return(-ENOMEM); - to_name = dentry_name(to, 0); + if((from_name = inode_dentry_name(ino, from)) == NULL) + return -ENOMEM; + to_name = dentry_name(to, 0); if(to_name == NULL){ kfree(from_name); - return(-ENOMEM); + return -ENOMEM; } - err = link_file(to_name, from_name); - kfree(from_name); - kfree(to_name); - return(err); + err = link_file(to_name, from_name); + kfree(from_name); + kfree(to_name); + return err; } int hostfs_unlink(struct inode *ino, struct dentry *dentry) @@ -692,13 +698,14 @@ int hostfs_unlink(struct inode *ino, struct dentry *dentry) char *file; int err; - if((file = inode_dentry_name(ino, dentry)) == NULL) return(-ENOMEM); + if((file = inode_dentry_name(ino, dentry)) == NULL) + return -ENOMEM; if(append) - return(-EPERM); + return -EPERM; err = unlink_file(file); kfree(file); - return(err); + return err; } int hostfs_symlink(struct inode *ino, struct dentry *dentry, const char *to) @@ -706,10 +713,11 @@ int hostfs_symlink(struct inode *ino, struct dentry *dentry, const char *to) char *file; int err; - if((file = inode_dentry_name(ino, dentry)) == NULL) return(-ENOMEM); + if((file = inode_dentry_name(ino, dentry)) == NULL) + return -ENOMEM; err = make_symlink(file, to); kfree(file); - return(err); + return err; } int hostfs_mkdir(struct inode *ino, struct dentry *dentry, int mode) @@ -717,10 +725,11 @@ int hostfs_mkdir(struct inode *ino, struct dentry *dentry, int mode) char *file; int err; - if((file = inode_dentry_name(ino, dentry)) == NULL) return(-ENOMEM); + if((file = inode_dentry_name(ino, dentry)) == NULL) + return -ENOMEM; err = do_mkdir(file, mode); kfree(file); - return(err); + return err; } int hostfs_rmdir(struct inode *ino, struct dentry *dentry) @@ -728,10 +737,11 @@ int hostfs_rmdir(struct inode *ino, struct dentry *dentry) char *file; int err; - if((file = inode_dentry_name(ino, dentry)) == NULL) return(-ENOMEM); + if((file = inode_dentry_name(ino, dentry)) == NULL) + return -ENOMEM; err = do_rmdir(file); kfree(file); - return(err); + return err; } int hostfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) @@ -764,14 +774,14 @@ int hostfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) goto out_put; d_instantiate(dentry, inode); - return(0); + return 0; out_free: kfree(name); out_put: iput(inode); out: - return(err); + return err; } int hostfs_rename(struct inode *from_ino, struct dentry *from, @@ -781,15 +791,15 @@ int hostfs_rename(struct inode *from_ino, struct dentry *from, int err; if((from_name = inode_dentry_name(from_ino, from)) == NULL) - return(-ENOMEM); + return -ENOMEM; if((to_name = inode_dentry_name(to_ino, to)) == NULL){ kfree(from_name); - return(-ENOMEM); + return -ENOMEM; } err = rename_file(from_name, to_name); kfree(from_name); kfree(to_name); - return(err); + return err; } int hostfs_permission(struct inode *ino, int desired, struct nameidata *nd) @@ -801,7 +811,8 @@ int hostfs_permission(struct inode *ino, int desired, struct nameidata *nd) if (desired & MAY_WRITE) w = 1; if (desired & MAY_EXEC) x = 1; name = inode_name(ino, 0); - if (name == NULL) return(-ENOMEM); + if (name == NULL) + return -ENOMEM; if (S_ISCHR(ino->i_mode) || S_ISBLK(ino->i_mode) || S_ISFIFO(ino->i_mode) || S_ISSOCK(ino->i_mode)) @@ -865,20 +876,21 @@ int hostfs_setattr(struct dentry *dentry, struct iattr *attr) attrs.ia_valid |= HOSTFS_ATTR_MTIME_SET; } name = dentry_name(dentry, 0); - if(name == NULL) return(-ENOMEM); + if(name == NULL) + return -ENOMEM; err = set_attr(name, &attrs, fd); kfree(name); if(err) - return(err); + return err; - return(inode_setattr(dentry->d_inode, attr)); + return inode_setattr(dentry->d_inode, attr); } int hostfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat) { generic_fillattr(dentry->d_inode, stat); - return(0); + return 0; } static const struct inode_operations hostfs_iops = { @@ -917,7 +929,8 @@ int hostfs_link_readpage(struct file *file, struct page *page) buffer = kmap(page); name = inode_name(page->mapping->host, 0); - if(name == NULL) return(-ENOMEM); + if(name == NULL) + return -ENOMEM; err = do_readlink(name, buffer, PAGE_CACHE_SIZE); kfree(name); if(err == PAGE_CACHE_SIZE) @@ -930,7 +943,7 @@ int hostfs_link_readpage(struct file *file, struct page *page) } kunmap(page); unlock_page(page); - return(err); + return err; } static const struct address_space_operations hostfs_link_aops = { @@ -980,20 +993,20 @@ static int hostfs_fill_sb_common(struct super_block *sb, void *d, int silent) err = read_inode(root_inode); if(err){ - /* No iput in this case because the dput does that for us */ - dput(sb->s_root); - sb->s_root = NULL; + /* No iput in this case because the dput does that for us */ + dput(sb->s_root); + sb->s_root = NULL; goto out; - } + } - return(0); + return 0; - out_put: - iput(root_inode); - out_free: +out_put: + iput(root_inode); +out_free: kfree(host_root_path); - out: - return(err); +out: + return err; } static int hostfs_read_sb(struct file_system_type *type, @@ -1013,7 +1026,7 @@ static struct file_system_type hostfs_type = { static int __init init_hostfs(void) { - return(register_filesystem(&hostfs_type)); + return register_filesystem(&hostfs_type); } static void __exit exit_hostfs(void) @@ -1024,14 +1037,3 @@ static void __exit exit_hostfs(void) module_init(init_hostfs) module_exit(exit_hostfs) MODULE_LICENSE("GPL"); - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/fs/hostfs/hostfs_user.c b/fs/hostfs/hostfs_user.c index 0acf562..5625e24 100644 --- a/fs/hostfs/hostfs_user.c +++ b/fs/hostfs/hostfs_user.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2000 Jeff Dike (jdike@karaya.com) + * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) * Licensed under the GPL */ @@ -27,9 +27,9 @@ int stat_file(const char *path, unsigned long long *inode_out, int *mode_out, if(fd >= 0) { if (fstat64(fd, &buf) < 0) - return(-errno); + return -errno; } else if(lstat64(path, &buf) < 0) { - return(-errno); + return -errno; } if(inode_out != NULL) *inode_out = buf.st_ino; @@ -52,7 +52,7 @@ int stat_file(const char *path, unsigned long long *inode_out, int *mode_out, } if(blksize_out != NULL) *blksize_out = buf.st_blksize; if(blocks_out != NULL) *blocks_out = buf.st_blocks; - return(0); + return 0; } int file_type(const char *path, int *maj, int *min) @@ -60,7 +60,7 @@ int file_type(const char *path, int *maj, int *min) struct stat64 buf; if(lstat64(path, &buf) < 0) - return(-errno); + return -errno; /*We cannot pass rdev as is because glibc and the kernel disagree *about its definition.*/ if(maj != NULL) @@ -68,13 +68,13 @@ int file_type(const char *path, int *maj, int *min) if(min != NULL) *min = minor(buf.st_rdev); - if(S_ISDIR(buf.st_mode)) return(OS_TYPE_DIR); - else if(S_ISLNK(buf.st_mode)) return(OS_TYPE_SYMLINK); - else if(S_ISCHR(buf.st_mode)) return(OS_TYPE_CHARDEV); - else if(S_ISBLK(buf.st_mode)) return(OS_TYPE_BLOCKDEV); - else if(S_ISFIFO(buf.st_mode))return(OS_TYPE_FIFO); - else if(S_ISSOCK(buf.st_mode))return(OS_TYPE_SOCK); - else return(OS_TYPE_FILE); + if(S_ISDIR(buf.st_mode)) return OS_TYPE_DIR; + else if(S_ISLNK(buf.st_mode)) return OS_TYPE_SYMLINK; + else if(S_ISCHR(buf.st_mode)) return OS_TYPE_CHARDEV; + else if(S_ISBLK(buf.st_mode)) return OS_TYPE_BLOCKDEV; + else if(S_ISFIFO(buf.st_mode))return OS_TYPE_FIFO; + else if(S_ISSOCK(buf.st_mode))return OS_TYPE_SOCK; + else return OS_TYPE_FILE; } int access_file(char *path, int r, int w, int x) @@ -84,8 +84,9 @@ int access_file(char *path, int r, int w, int x) if(r) mode = R_OK; if(w) mode |= W_OK; if(x) mode |= X_OK; - if(access(path, mode) != 0) return(-errno); - else return(0); + if(access(path, mode) != 0) + return -errno; + else return 0; } int open_file(char *path, int r, int w, int append) @@ -103,8 +104,9 @@ int open_file(char *path, int r, int w, int append) if(append) mode |= O_APPEND; fd = open64(path, mode); - if(fd < 0) return(-errno); - else return(fd); + if(fd < 0) + return -errno; + else return fd; } void *open_dir(char *path, int *err_out) @@ -113,8 +115,9 @@ void *open_dir(char *path, int *err_out) dir = opendir(path); *err_out = errno; - if(dir == NULL) return(NULL); - return(dir); + if(dir == NULL) + return NULL; + return dir; } char *read_dir(void *stream, unsigned long long *pos, @@ -125,11 +128,12 @@ char *read_dir(void *stream, unsigned long long *pos, seekdir(dir, *pos); ent = readdir(dir); - if(ent == NULL) return(NULL); + if(ent == NULL) + return NULL; *len_out = strlen(ent->d_name); *ino_out = ent->d_ino; *pos = telldir(dir); - return(ent->d_name); + return ent->d_name; } int read_file(int fd, unsigned long long *offset, char *buf, int len) @@ -137,9 +141,10 @@ int read_file(int fd, unsigned long long *offset, char *buf, int len) int n; n = pread64(fd, buf, len, *offset); - if(n < 0) return(-errno); + if(n < 0) + return -errno; *offset += n; - return(n); + return n; } int write_file(int fd, unsigned long long *offset, const char *buf, int len) @@ -147,9 +152,10 @@ int write_file(int fd, unsigned long long *offset, const char *buf, int len) int n; n = pwrite64(fd, buf, len, *offset); - if(n < 0) return(-errno); + if(n < 0) + return -errno; *offset += n; - return(n); + return n; } int lseek_file(int fd, long long offset, int whence) @@ -158,8 +164,8 @@ int lseek_file(int fd, long long offset, int whence) ret = lseek64(fd, offset, whence); if(ret < 0) - return(-errno); - return(0); + return -errno; + return 0; } int fsync_file(int fd, int datasync) @@ -202,8 +208,8 @@ int file_create(char *name, int ur, int uw, int ux, int gr, mode |= ox ? S_IXOTH : 0; fd = open64(name, O_CREAT | O_RDWR, mode); if(fd < 0) - return(-errno); - return(fd); + return -errno; + return fd; } int set_attr(const char *file, struct hostfs_iattr *attrs, int fd) @@ -217,31 +223,31 @@ int set_attr(const char *file, struct hostfs_iattr *attrs, int fd) if (fchmod(fd, attrs->ia_mode) != 0) return (-errno); } else if (chmod(file, attrs->ia_mode) != 0) { - return (-errno); + return -errno; } } if (attrs->ia_valid & HOSTFS_ATTR_UID) { if (fd >= 0) { if (fchown(fd, attrs->ia_uid, -1)) - return (-errno); + return -errno; } else if(chown(file, attrs->ia_uid, -1)) { - return (-errno); + return -errno; } } if (attrs->ia_valid & HOSTFS_ATTR_GID) { if (fd >= 0) { if (fchown(fd, -1, attrs->ia_gid)) - return (-errno); + return -errno; } else if (chown(file, -1, attrs->ia_gid)) { - return (-errno); + return -errno; } } if (attrs->ia_valid & HOSTFS_ATTR_SIZE) { if (fd >= 0) { if (ftruncate(fd, attrs->ia_size)) - return (-errno); + return -errno; } else if (truncate(file, attrs->ia_size)) { - return (-errno); + return -errno; } } @@ -271,9 +277,9 @@ int set_attr(const char *file, struct hostfs_iattr *attrs, int fd) if (fd >= 0) { if (futimes(fd, times) != 0) - return (-errno); + return -errno; } else if (utimes(file, times) != 0) { - return (-errno); + return -errno; } } @@ -282,9 +288,10 @@ int set_attr(const char *file, struct hostfs_iattr *attrs, int fd) err = stat_file(file, NULL, NULL, NULL, NULL, NULL, NULL, &attrs->ia_atime, &attrs->ia_mtime, NULL, NULL, NULL, fd); - if(err != 0) return(err); + if(err != 0) + return err; } - return(0); + return 0; } int make_symlink(const char *from, const char *to) @@ -292,8 +299,9 @@ int make_symlink(const char *from, const char *to) int err; err = symlink(to, from); - if(err) return(-errno); - return(0); + if(err) + return -errno; + return 0; } int unlink_file(const char *file) @@ -301,8 +309,9 @@ int unlink_file(const char *file) int err; err = unlink(file); - if(err) return(-errno); - return(0); + if(err) + return -errno; + return 0; } int do_mkdir(const char *file, int mode) @@ -310,8 +319,9 @@ int do_mkdir(const char *file, int mode) int err; err = mkdir(file, mode); - if(err) return(-errno); - return(0); + if(err) + return -errno; + return 0; } int do_rmdir(const char *file) @@ -319,8 +329,9 @@ int do_rmdir(const char *file) int err; err = rmdir(file); - if(err) return(-errno); - return(0); + if(err) + return -errno; + return 0; } int do_mknod(const char *file, int mode, unsigned int major, unsigned int minor) @@ -328,8 +339,9 @@ int do_mknod(const char *file, int mode, unsigned int major, unsigned int minor) int err; err = mknod(file, mode, makedev(major, minor)); - if(err) return(-errno); - return(0); + if(err) + return -errno; + return 0; } int link_file(const char *to, const char *from) @@ -337,8 +349,9 @@ int link_file(const char *to, const char *from) int err; err = link(to, from); - if(err) return(-errno); - return(0); + if(err) + return -errno; + return 0; } int do_readlink(char *file, char *buf, int size) @@ -347,10 +360,10 @@ int do_readlink(char *file, char *buf, int size) n = readlink(file, buf, size); if(n < 0) - return(-errno); + return -errno; if(n < size) buf[n] = '\0'; - return(n); + return n; } int rename_file(char *from, char *to) @@ -358,8 +371,9 @@ int rename_file(char *from, char *to) int err; err = rename(from, to); - if(err < 0) return(-errno); - return(0); + if(err < 0) + return -errno; + return 0; } int do_statfs(char *root, long *bsize_out, long long *blocks_out, @@ -372,7 +386,9 @@ int do_statfs(char *root, long *bsize_out, long long *blocks_out, int err; err = statfs64(root, &buf); - if(err < 0) return(-errno); + if(err < 0) + return -errno; + *bsize_out = buf.f_bsize; *blocks_out = buf.f_blocks; *bfree_out = buf.f_bfree; @@ -388,16 +404,5 @@ int do_statfs(char *root, long *bsize_out, long long *blocks_out, spare_out[2] = buf.f_spare[2]; spare_out[3] = buf.f_spare[3]; spare_out[4] = buf.f_spare[4]; - return(0); + return 0; } - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ |
