diff options
Diffstat (limited to 'fs/hostfs/hostfs_user.c')
| -rw-r--r-- | fs/hostfs/hostfs_user.c | 112 |
1 files changed, 37 insertions, 75 deletions
diff --git a/fs/hostfs/hostfs_user.c b/fs/hostfs/hostfs_user.c index b79424f93282..6777aa06ce2c 100644 --- a/fs/hostfs/hostfs_user.c +++ b/fs/hostfs/hostfs_user.c @@ -19,11 +19,27 @@ #include "user.h" #include <utime.h> -int stat_file(const char *path, unsigned long long *inode_out, int *mode_out, - int *nlink_out, int *uid_out, int *gid_out, - unsigned long long *size_out, struct timespec *atime_out, - struct timespec *mtime_out, struct timespec *ctime_out, - int *blksize_out, unsigned long long *blocks_out, int fd) +static void stat64_to_hostfs(const struct stat64 *buf, struct hostfs_stat *p) +{ + p->ino = buf->st_ino; + p->mode = buf->st_mode; + p->nlink = buf->st_nlink; + p->uid = buf->st_uid; + p->gid = buf->st_gid; + p->size = buf->st_size; + p->atime.tv_sec = buf->st_atime; + p->atime.tv_nsec = 0; + p->ctime.tv_sec = buf->st_ctime; + p->ctime.tv_nsec = 0; + p->mtime.tv_sec = buf->st_mtime; + p->mtime.tv_nsec = 0; + p->blksize = buf->st_blksize; + p->blocks = buf->st_blocks; + p->maj = os_major(buf->st_rdev); + p->min = os_minor(buf->st_rdev); +} + +int stat_file(const char *path, struct hostfs_stat *p, int fd) { struct stat64 buf; @@ -33,68 +49,10 @@ int stat_file(const char *path, unsigned long long *inode_out, int *mode_out, } 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) { - atime_out->tv_sec = buf.st_atime; - atime_out->tv_nsec = 0; - } - if (mtime_out != NULL) { - mtime_out->tv_sec = buf.st_mtime; - mtime_out->tv_nsec = 0; - } - 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; + stat64_to_hostfs(&buf, p); return 0; } -int file_type(const char *path, int *maj, int *min) -{ - struct stat64 buf; - - 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) - *maj = major(buf.st_rdev); - 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; -} - int access_file(char *path, int r, int w, int x) { int mode = 0; @@ -202,6 +160,11 @@ int fsync_file(int fd, int datasync) return 0; } +int replace_file(int oldfd, int fd) +{ + return dup2(oldfd, fd); +} + void close_file(void *stream) { close(*((int *) stream)); @@ -235,8 +198,8 @@ int file_create(char *name, int ur, int uw, int ux, int gr, int set_attr(const char *file, struct hostfs_iattr *attrs, int fd) { + struct hostfs_stat st; struct timeval times[2]; - struct timespec atime_ts, mtime_ts; int err, ma; if (attrs->ia_valid & HOSTFS_ATTR_MODE) { @@ -279,15 +242,14 @@ int set_attr(const char *file, struct hostfs_iattr *attrs, int fd) */ ma = (HOSTFS_ATTR_ATIME_SET | HOSTFS_ATTR_MTIME_SET); if (attrs->ia_valid & ma) { - err = stat_file(file, NULL, NULL, NULL, NULL, NULL, NULL, - &atime_ts, &mtime_ts, NULL, NULL, NULL, fd); + err = stat_file(file, &st, fd); if (err != 0) return err; - times[0].tv_sec = atime_ts.tv_sec; - 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[0].tv_sec = st.atime.tv_sec; + times[0].tv_usec = st.atime.tv_nsec / 1000; + times[1].tv_sec = st.mtime.tv_sec; + times[1].tv_usec = st.mtime.tv_nsec / 1000; if (attrs->ia_valid & HOSTFS_ATTR_ATIME_SET) { times[0].tv_sec = attrs->ia_atime.tv_sec; @@ -308,9 +270,9 @@ int set_attr(const char *file, struct hostfs_iattr *attrs, int fd) /* 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); + err = stat_file(file, &st, fd); + attrs->ia_atime = st.atime; + attrs->ia_mtime = st.mtime; if (err != 0) return err; } @@ -361,7 +323,7 @@ int do_mknod(const char *file, int mode, unsigned int major, unsigned int minor) { int err; - err = mknod(file, mode, makedev(major, minor)); + err = mknod(file, mode, os_makedev(major, minor)); if (err) return -errno; return 0; |