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yaml
---
r: 54527
b: refs/heads/master
c: 5822b7f
h: refs/heads/master
i:
  54525: f4b39f5
  54523: 79113d7
  54519: dc0635c
  54511: fbdc80d
  54495: 7720fea
  54463: 4147868
  54399: d2455b3
  54271: 677fab2
v: v3
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Alberto Bertogli authored and Linus Torvalds committed May 8, 2007
1 parent c717e50 commit 5639192
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Showing 4 changed files with 75 additions and 45 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 0e6b9c98be1b517bf99a21d8a7036a8a21e47dd1
refs/heads/master: 5822b7faca709c03a59c2929005bfe9caffe6592
4 changes: 2 additions & 2 deletions trunk/fs/hostfs/hostfs.h
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Original file line number Diff line number Diff line change
Expand Up @@ -55,7 +55,7 @@ extern 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 *blksize_out, unsigned long long *blocks_out, int fd);
extern int access_file(char *path, int r, int w, int x);
extern int open_file(char *path, int r, int w, int append);
extern int file_type(const char *path, int *maj, int *min);
Expand All @@ -71,7 +71,7 @@ extern int lseek_file(int fd, long long offset, int whence);
extern int fsync_file(int fd, int datasync);
extern int file_create(char *name, int ur, int uw, int ux, int gr,
int gw, int gx, int or, int ow, int ox);
extern int set_attr(const char *file, struct hostfs_iattr *attrs);
extern int set_attr(const char *file, struct hostfs_iattr *attrs, int fd);
extern int make_symlink(const char *from, const char *to);
extern int unlink_file(const char *file);
extern int do_mkdir(const char *file, int mode);
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6 changes: 4 additions & 2 deletions trunk/fs/hostfs/hostfs_kern.c
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Original file line number Diff line number Diff line change
Expand Up @@ -147,7 +147,7 @@ static int read_name(struct inode *ino, char *name)

err = stat_file(name, &i_ino, &i_mode, &i_nlink, &ino->i_uid,
&ino->i_gid, &i_size, &ino->i_atime, &ino->i_mtime,
&ino->i_ctime, &i_blksize, &i_blocks);
&ino->i_ctime, &i_blksize, &i_blocks, -1);
if(err)
return(err);

Expand Down Expand Up @@ -820,6 +820,8 @@ int hostfs_setattr(struct dentry *dentry, struct iattr *attr)
char *name;
int err;

int fd = HOSTFS_I(dentry->d_inode)->fd;

err = inode_change_ok(dentry->d_inode, attr);
if (err)
return err;
Expand Down Expand Up @@ -864,7 +866,7 @@ int hostfs_setattr(struct dentry *dentry, struct iattr *attr)
}
name = dentry_name(dentry, 0);
if(name == NULL) return(-ENOMEM);
err = set_attr(name, &attrs);
err = set_attr(name, &attrs, fd);
kfree(name);
if(err)
return(err);
Expand Down
108 changes: 68 additions & 40 deletions trunk/fs/hostfs/hostfs_user.c
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Original file line number Diff line number Diff line change
Expand Up @@ -21,12 +21,16 @@ 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 *blksize_out, unsigned long long *blocks_out, int fd)
{
struct stat64 buf;

if(lstat64(path, &buf) < 0)
if(fd >= 0) {
if (fstat64(fd, &buf) < 0)
return(-errno);
} 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;
Expand Down Expand Up @@ -202,58 +206,82 @@ int file_create(char *name, int ur, int uw, int ux, int gr,
return(fd);
}

int set_attr(const char *file, struct hostfs_iattr *attrs)
int set_attr(const char *file, struct hostfs_iattr *attrs, int fd)
{
struct utimbuf buf;
struct timeval times[2];
struct timespec atime_ts, mtime_ts;
int err, ma;

if(attrs->ia_valid & HOSTFS_ATTR_MODE){
if(chmod(file, attrs->ia_mode) != 0) return(-errno);
}
if(attrs->ia_valid & HOSTFS_ATTR_UID){
if(chown(file, attrs->ia_uid, -1)) return(-errno);
if (attrs->ia_valid & HOSTFS_ATTR_MODE) {
if (fd >= 0) {
if (fchmod(fd, attrs->ia_mode) != 0)
return (-errno);
} else if (chmod(file, attrs->ia_mode) != 0) {
return (-errno);
}
}
if(attrs->ia_valid & HOSTFS_ATTR_GID){
if(chown(file, -1, attrs->ia_gid)) return(-errno);
if (attrs->ia_valid & HOSTFS_ATTR_UID) {
if (fd >= 0) {
if (fchown(fd, attrs->ia_uid, -1))
return (-errno);
} else if(chown(file, attrs->ia_uid, -1)) {
return (-errno);
}
}
if(attrs->ia_valid & HOSTFS_ATTR_SIZE){
if(truncate(file, attrs->ia_size)) return(-errno);
if (attrs->ia_valid & HOSTFS_ATTR_GID) {
if (fd >= 0) {
if (fchown(fd, -1, attrs->ia_gid))
return (-errno);
} else if (chown(file, -1, attrs->ia_gid)) {
return (-errno);
}
}
ma = HOSTFS_ATTR_ATIME_SET | HOSTFS_ATTR_MTIME_SET;
if((attrs->ia_valid & ma) == ma){
buf.actime = attrs->ia_atime.tv_sec;
buf.modtime = attrs->ia_mtime.tv_sec;
if(utime(file, &buf) != 0) return(-errno);
if (attrs->ia_valid & HOSTFS_ATTR_SIZE) {
if (fd >= 0) {
if (ftruncate(fd, attrs->ia_size))
return (-errno);
} else if (truncate(file, attrs->ia_size)) {
return (-errno);
}
}
else {
struct timespec ts;

if(attrs->ia_valid & HOSTFS_ATTR_ATIME_SET){
err = stat_file(file, NULL, NULL, NULL, NULL, NULL,
NULL, NULL, &ts, NULL, NULL, NULL);
if(err != 0)
return(err);
buf.actime = attrs->ia_atime.tv_sec;
buf.modtime = ts.tv_sec;
if(utime(file, &buf) != 0)
return(-errno);

/* 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. */
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);
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;

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;
}
if(attrs->ia_valid & HOSTFS_ATTR_MTIME_SET){
err = stat_file(file, NULL, NULL, NULL, NULL, NULL,
NULL, &ts, NULL, NULL, NULL, NULL);
if(err != 0)
return(err);
buf.actime = ts.tv_sec;
buf.modtime = attrs->ia_mtime.tv_sec;
if(utime(file, &buf) != 0)
return(-errno);
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;
}

if (fd >= 0) {
if (futimes(fd, times) != 0)
return (-errno);
} else if (utimes(file, times) != 0) {
return (-errno);
}
}

if(attrs->ia_valid & HOSTFS_ATTR_CTIME) ;
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);
NULL, NULL, fd);
if(err != 0) return(err);
}
return(0);
Expand Down

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