X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;ds=sidebyside;f=fs%2Fhostfs%2Fhostfs_user.c;h=53fd0a67c11abf148a76cea7820a1a3c782adc26;hb=0eccf60bfa9190d1588b2bf07d23d7b9b3a19d9e;hp=5625e2481dd31b56f95a8532119501519331b739;hpb=6ec129c3a2f8b38bc37e42348470ccfcb7460146;p=mv-sheeva.git diff --git a/fs/hostfs/hostfs_user.c b/fs/hostfs/hostfs_user.c index 5625e2481dd..53fd0a67c11 100644 --- a/fs/hostfs/hostfs_user.c +++ b/fs/hostfs/hostfs_user.c @@ -3,19 +3,21 @@ * Licensed under the GPL */ -#include #include -#include +#include +#include #include #include -#include +#include #include #include #include +#include #include #include "hostfs.h" -#include "kern_util.h" +#include "os.h" #include "user.h" +#include int stat_file(const char *path, unsigned long long *inode_out, int *mode_out, int *nlink_out, int *uid_out, int *gid_out, @@ -25,33 +27,41 @@ int stat_file(const char *path, unsigned long long *inode_out, int *mode_out, { struct stat64 buf; - if(fd >= 0) { + if (fd >= 0) { if (fstat64(fd, &buf) < 0) return -errno; - } else if(lstat64(path, &buf) < 0) { + } else if (lstat64(path, &buf) < 0) { return -errno; } - if(inode_out != NULL) *inode_out = buf.st_ino; - if(mode_out != NULL) *mode_out = buf.st_mode; - if(nlink_out != NULL) *nlink_out = buf.st_nlink; - if(uid_out != NULL) *uid_out = buf.st_uid; - if(gid_out != NULL) *gid_out = buf.st_gid; - if(size_out != NULL) *size_out = buf.st_size; - if(atime_out != NULL) { + if (inode_out != NULL) + *inode_out = buf.st_ino; + if (mode_out != NULL) + *mode_out = buf.st_mode; + if (nlink_out != NULL) + *nlink_out = buf.st_nlink; + if (uid_out != NULL) + *uid_out = buf.st_uid; + if (gid_out != NULL) + *gid_out = buf.st_gid; + if (size_out != NULL) + *size_out = buf.st_size; + if (atime_out != NULL) { atime_out->tv_sec = buf.st_atime; atime_out->tv_nsec = 0; } - if(mtime_out != NULL) { + if (mtime_out != NULL) { mtime_out->tv_sec = buf.st_mtime; mtime_out->tv_nsec = 0; } - if(ctime_out != NULL) { + if (ctime_out != NULL) { ctime_out->tv_sec = buf.st_ctime; ctime_out->tv_nsec = 0; } - if(blksize_out != NULL) *blksize_out = buf.st_blksize; - if(blocks_out != NULL) *blocks_out = buf.st_blocks; + if (blksize_out != NULL) + *blksize_out = buf.st_blksize; + if (blocks_out != NULL) + *blocks_out = buf.st_blocks; return 0; } @@ -59,21 +69,29 @@ int file_type(const char *path, int *maj, int *min) { struct stat64 buf; - if(lstat64(path, &buf) < 0) + if (lstat64(path, &buf) < 0) return -errno; - /*We cannot pass rdev as is because glibc and the kernel disagree - *about its definition.*/ - if(maj != NULL) + /* + * We cannot pass rdev as is because glibc and the kernel disagree + * about its definition. + */ + if (maj != NULL) *maj = major(buf.st_rdev); - if(min != NULL) + 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; + 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; } @@ -81,10 +99,13 @@ int access_file(char *path, int r, int w, int x) { int mode = 0; - if(r) mode = R_OK; - if(w) mode |= W_OK; - if(x) mode |= X_OK; - if(access(path, mode) != 0) + 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; } @@ -93,18 +114,18 @@ int open_file(char *path, int r, int w, int append) { int mode = 0, fd; - if(r && !w) + if (r && !w) mode = O_RDONLY; - else if(!r && w) + else if (!r && w) mode = O_WRONLY; - else if(r && w) + else if (r && w) mode = O_RDWR; else panic("Impossible mode in open_file"); - if(append) + if (append) mode |= O_APPEND; fd = open64(path, mode); - if(fd < 0) + if (fd < 0) return -errno; else return fd; } @@ -115,7 +136,7 @@ void *open_dir(char *path, int *err_out) dir = opendir(path); *err_out = errno; - if(dir == NULL) + if (dir == NULL) return NULL; return dir; } @@ -128,7 +149,7 @@ char *read_dir(void *stream, unsigned long long *pos, seekdir(dir, *pos); ent = readdir(dir); - if(ent == NULL) + if (ent == NULL) return NULL; *len_out = strlen(ent->d_name); *ino_out = ent->d_ino; @@ -141,7 +162,7 @@ int read_file(int fd, unsigned long long *offset, char *buf, int len) int n; n = pread64(fd, buf, len, *offset); - if(n < 0) + if (n < 0) return -errno; *offset += n; return n; @@ -152,7 +173,7 @@ 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) + if (n < 0) return -errno; *offset += n; return n; @@ -163,7 +184,7 @@ int lseek_file(int fd, long long offset, int whence) int ret; ret = lseek64(fd, offset, whence); - if(ret < 0) + if (ret < 0) return -errno; return 0; } @@ -207,7 +228,7 @@ int file_create(char *name, int ur, int uw, int ux, int gr, mode |= ow ? S_IWOTH : 0; mode |= ox ? S_IXOTH : 0; fd = open64(name, O_CREAT | O_RDWR, mode); - if(fd < 0) + if (fd < 0) return -errno; return fd; } @@ -230,7 +251,7 @@ int set_attr(const char *file, struct hostfs_iattr *attrs, int fd) if (fd >= 0) { if (fchown(fd, attrs->ia_uid, -1)) return -errno; - } else if(chown(file, attrs->ia_uid, -1)) { + } else if (chown(file, attrs->ia_uid, -1)) { return -errno; } } @@ -251,9 +272,11 @@ int set_attr(const char *file, struct hostfs_iattr *attrs, int fd) } } - /* Update accessed and/or modified time, in two parts: first set + /* + * Update accessed and/or modified time, in two parts: first set * times according to the changes to perform, and then call futimes() - * or utimes() to apply them. */ + * or utimes() to apply them. + */ ma = (HOSTFS_ATTR_ATIME_SET | HOSTFS_ATTR_MTIME_SET); if (attrs->ia_valid & ma) { err = stat_file(file, NULL, NULL, NULL, NULL, NULL, NULL, @@ -262,17 +285,17 @@ int set_attr(const char *file, struct hostfs_iattr *attrs, int fd) return err; times[0].tv_sec = atime_ts.tv_sec; - times[0].tv_usec = atime_ts.tv_nsec * 1000; + times[0].tv_usec = atime_ts.tv_nsec / 1000; times[1].tv_sec = mtime_ts.tv_sec; - times[1].tv_usec = mtime_ts.tv_nsec * 1000; + times[1].tv_usec = mtime_ts.tv_nsec / 1000; if (attrs->ia_valid & HOSTFS_ATTR_ATIME_SET) { times[0].tv_sec = attrs->ia_atime.tv_sec; - times[0].tv_usec = attrs->ia_atime.tv_nsec * 1000; + times[0].tv_usec = attrs->ia_atime.tv_nsec / 1000; } if (attrs->ia_valid & HOSTFS_ATTR_MTIME_SET) { times[1].tv_sec = attrs->ia_mtime.tv_sec; - times[1].tv_usec = attrs->ia_mtime.tv_nsec * 1000; + times[1].tv_usec = attrs->ia_mtime.tv_nsec / 1000; } if (fd >= 0) { @@ -283,12 +306,12 @@ int set_attr(const char *file, struct hostfs_iattr *attrs, int fd) } } - if(attrs->ia_valid & HOSTFS_ATTR_CTIME) ; - if(attrs->ia_valid & (HOSTFS_ATTR_ATIME | HOSTFS_ATTR_MTIME)){ + /* Note: ctime is not handled */ + if (attrs->ia_valid & (HOSTFS_ATTR_ATIME | HOSTFS_ATTR_MTIME)) { err = stat_file(file, NULL, NULL, NULL, NULL, NULL, NULL, &attrs->ia_atime, &attrs->ia_mtime, NULL, NULL, NULL, fd); - if(err != 0) + if (err != 0) return err; } return 0; @@ -299,7 +322,7 @@ int make_symlink(const char *from, const char *to) int err; err = symlink(to, from); - if(err) + if (err) return -errno; return 0; } @@ -309,7 +332,7 @@ int unlink_file(const char *file) int err; err = unlink(file); - if(err) + if (err) return -errno; return 0; } @@ -319,7 +342,7 @@ int do_mkdir(const char *file, int mode) int err; err = mkdir(file, mode); - if(err) + if (err) return -errno; return 0; } @@ -329,7 +352,7 @@ int do_rmdir(const char *file) int err; err = rmdir(file); - if(err) + if (err) return -errno; return 0; } @@ -339,7 +362,7 @@ 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) + if (err) return -errno; return 0; } @@ -349,7 +372,7 @@ int link_file(const char *to, const char *from) int err; err = link(to, from); - if(err) + if (err) return -errno; return 0; } @@ -359,9 +382,9 @@ int do_readlink(char *file, char *buf, int size) int n; n = readlink(file, buf, size); - if(n < 0) + if (n < 0) return -errno; - if(n < size) + if (n < size) buf[n] = '\0'; return n; } @@ -371,7 +394,7 @@ int rename_file(char *from, char *to) int err; err = rename(from, to); - if(err < 0) + if (err < 0) return -errno; return 0; } @@ -386,7 +409,7 @@ int do_statfs(char *root, long *bsize_out, long long *blocks_out, int err; err = statfs64(root, &buf); - if(err < 0) + if (err < 0) return -errno; *bsize_out = buf.f_bsize;