#endif /* CONFIG_NFSD_V3 */
#include <linux/nfsd/nfsfh.h>
#include <linux/quotaops.h>
-#include <linux/dnotify.h>
+#include <linux/fsnotify.h>
#include <linux/posix_acl.h>
#include <linux/posix_acl_xattr.h>
#ifdef CONFIG_NFSD_V4
/* Get inode */
err = fh_verify(rqstp, fhp, ftype, accmode);
- if (err || !iap->ia_valid)
+ if (err)
goto out;
dentry = fhp->fh_dentry;
inode = dentry->d_inode;
+ /* Ignore any mode updates on symlinks */
+ if (S_ISLNK(inode->i_mode))
+ iap->ia_valid &= ~ATTR_MODE;
+
+ if (!iap->ia_valid)
+ goto out;
+
/* NFSv2 does not differentiate between "set-[ac]time-to-now"
* which only requires access, and "set-[ac]time-to-X" which
* requires ownership.
error = -EOPNOTSUPP;
if (inode->i_op && inode->i_op->setxattr) {
- down(&inode->i_sem);
+ mutex_lock(&inode->i_mutex);
security_inode_setxattr(dentry, key, buf, len, 0);
error = inode->i_op->setxattr(dentry, key, buf, len, 0);
if (!error)
security_inode_post_setxattr(dentry, key, buf, len, 0);
- up(&inode->i_sem);
+ mutex_unlock(&inode->i_mutex);
}
out:
kfree(buf);
* As this calls fsync (not fdatasync) there is no need for a write_inode
* after it.
*/
-static inline void nfsd_dosync(struct file *filp, struct dentry *dp,
- struct file_operations *fop)
+static inline int nfsd_dosync(struct file *filp, struct dentry *dp,
+ struct file_operations *fop)
{
struct inode *inode = dp->d_inode;
int (*fsync) (struct file *, struct dentry *, int);
+ int err = nfs_ok;
filemap_fdatawrite(inode->i_mapping);
if (fop && (fsync = fop->fsync))
- fsync(filp, dp, 0);
+ err=fsync(filp, dp, 0);
filemap_fdatawait(inode->i_mapping);
+
+ return nfserrno(err);
}
-static void
+static int
nfsd_sync(struct file *filp)
{
+ int err;
struct inode *inode = filp->f_dentry->d_inode;
dprintk("nfsd: sync file %s\n", filp->f_dentry->d_name.name);
- down(&inode->i_sem);
- nfsd_dosync(filp, filp->f_dentry, filp->f_op);
- up(&inode->i_sem);
+ mutex_lock(&inode->i_mutex);
+ err=nfsd_dosync(filp, filp->f_dentry, filp->f_op);
+ mutex_unlock(&inode->i_mutex);
+
+ return err;
}
-static void
+void
nfsd_sync_dir(struct dentry *dp)
{
nfsd_dosync(NULL, dp, dp->d_inode->i_fop);
nfsdstats.io_read += err;
*count = err;
err = 0;
- dnotify_parent(file->f_dentry, DN_ACCESS);
+ fsnotify_access(file->f_dentry);
} else
err = nfserrno(err);
out:
return err;
}
+static void kill_suid(struct dentry *dentry)
+{
+ struct iattr ia;
+ ia.ia_valid = ATTR_KILL_SUID | ATTR_KILL_SGID;
+
+ mutex_lock(&dentry->d_inode->i_mutex);
+ notify_change(dentry, &ia);
+ mutex_unlock(&dentry->d_inode->i_mutex);
+}
+
static inline int
nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file,
loff_t offset, struct kvec *vec, int vlen,
set_fs(oldfs);
if (err >= 0) {
nfsdstats.io_write += cnt;
- dnotify_parent(file->f_dentry, DN_MODIFY);
+ fsnotify_modify(file->f_dentry);
}
/* clear setuid/setgid flag after write */
- if (err >= 0 && (inode->i_mode & (S_ISUID | S_ISGID))) {
- struct iattr ia;
- ia.ia_valid = ATTR_KILL_SUID | ATTR_KILL_SGID;
-
- down(&inode->i_sem);
- notify_change(dentry, &ia);
- up(&inode->i_sem);
- }
+ if (err >= 0 && (inode->i_mode & (S_ISUID | S_ISGID)))
+ kill_suid(dentry);
if (err >= 0 && stable) {
static ino_t last_ino;
if (inode->i_state & I_DIRTY) {
dprintk("nfsd: write sync %d\n", current->pid);
- nfsd_sync(file);
+ err=nfsd_sync(file);
}
#if 0
wake_up(&inode->i_wait);
return err;
if (EX_ISSYNC(fhp->fh_export)) {
if (file->f_op && file->f_op->fsync) {
- nfsd_sync(file);
+ err = nfsd_sync(file);
} else {
err = nfserr_notsupp;
}