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-rw-r--r--fs/hostfs/hostfs_user.c141
1 files changed, 73 insertions, 68 deletions
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:
- */
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