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-rw-r--r--fs/hostfs/hostfs_user.c126
1 files changed, 41 insertions, 85 deletions
diff --git a/fs/hostfs/hostfs_user.c b/fs/hostfs/hostfs_user.c
index b79424f9328..d51a98384bc 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;
@@ -136,8 +94,7 @@ void *open_dir(char *path, int *err_out)
dir = opendir(path);
*err_out = errno;
- if (dir == NULL)
- return NULL;
+
return dir;
}
@@ -202,6 +159,11 @@ 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));
@@ -235,14 +197,14 @@ 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) {
if (fd >= 0) {
if (fchmod(fd, attrs->ia_mode) != 0)
- return (-errno);
+ return -errno;
} else if (chmod(file, attrs->ia_mode) != 0) {
return -errno;
}
@@ -279,15 +241,14 @@ 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 +269,9 @@ 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 +322,7 @@ 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;
@@ -402,8 +363,7 @@ int rename_file(char *from, char *to)
int do_statfs(char *root, long *bsize_out, long long *blocks_out,
long long *bfree_out, long long *bavail_out,
long long *files_out, long long *ffree_out,
- void *fsid_out, int fsid_size, long *namelen_out,
- long *spare_out)
+ void *fsid_out, int fsid_size, long *namelen_out)
{
struct statfs64 buf;
int err;
@@ -422,10 +382,6 @@ int do_statfs(char *root, long *bsize_out, long long *blocks_out,
sizeof(buf.f_fsid) > fsid_size ? fsid_size :
sizeof(buf.f_fsid));
*namelen_out = buf.f_namelen;
- spare_out[0] = buf.f_spare[0];
- spare_out[1] = buf.f_spare[1];
- spare_out[2] = buf.f_spare[2];
- spare_out[3] = buf.f_spare[3];
- spare_out[4] = buf.f_spare[4];
+
return 0;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-24 21:02:47 +0000