diff options
Diffstat (limited to 'fs/nfs/file.c')
| -rw-r--r-- | fs/nfs/file.c | 54 |
1 files changed, 30 insertions, 24 deletions
diff --git a/fs/nfs/file.c b/fs/nfs/file.c index 7b53bc8ef..4a575c48c 100644 --- a/fs/nfs/file.c +++ b/fs/nfs/file.c @@ -109,15 +109,14 @@ nfs_file_close(struct inode *inode, struct file *file) static ssize_t nfs_file_read(struct file * file, char * buf, size_t count, loff_t *ppos) { - struct inode * inode = file->f_dentry->d_inode; + struct dentry * dentry = file->f_dentry; ssize_t result; - dfprintk(VFS, "nfs: read(%x/%ld, %lu@%lu)\n", - inode->i_dev, inode->i_ino, - (unsigned long) count, - (unsigned long) *ppos); + dfprintk(VFS, "nfs: read(%s/%s, %lu@%lu)\n", + dentry->d_parent->d_name.name, dentry->d_name.name, + (unsigned long) count, (unsigned long) *ppos); - result = nfs_revalidate_inode(NFS_SERVER(inode), inode); + result = nfs_revalidate_inode(NFS_DSERVER(dentry), dentry); if (!result) result = generic_file_read(file, buf, count, ppos); return result; @@ -126,12 +125,13 @@ nfs_file_read(struct file * file, char * buf, size_t count, loff_t *ppos) static int nfs_file_mmap(struct file * file, struct vm_area_struct * vma) { - struct inode *inode = file->f_dentry->d_inode; + struct dentry *dentry = file->f_dentry; int status; - dfprintk(VFS, "nfs: mmap(%x/%ld)\n", inode->i_dev, inode->i_ino); + dfprintk(VFS, "nfs: mmap(%s/%s)\n", + dentry->d_parent->d_name.name, dentry->d_name.name); - status = nfs_revalidate_inode(NFS_SERVER(inode), inode); + status = nfs_revalidate_inode(NFS_DSERVER(dentry), dentry); if (!status) status = generic_file_mmap(file, vma); return status; @@ -163,31 +163,33 @@ nfs_fsync(struct file *file, struct dentry *dentry) static ssize_t nfs_file_write(struct file *file, const char *buf, size_t count, loff_t *ppos) { - struct inode * inode = file->f_dentry->d_inode; + struct dentry * dentry = file->f_dentry; + struct inode * inode = dentry->d_inode; ssize_t result; - dfprintk(VFS, "nfs: write(%x/%ld (%d), %lu@%lu)\n", - inode->i_dev, inode->i_ino, inode->i_count, - (unsigned long) count, (unsigned long) *ppos); + dfprintk(VFS, "nfs: write(%s/%s (%d), %lu@%lu)\n", + dentry->d_parent->d_name.name, dentry->d_name.name, + inode->i_count, (unsigned long) count, (unsigned long) *ppos); if (!inode) { printk("nfs_file_write: inode = NULL\n"); return -EINVAL; } - if (IS_SWAPFILE(inode)) { - printk("NFS: attempt to write to active swap file!\n"); - return -EBUSY; - } - result = nfs_revalidate_inode(NFS_SERVER(inode), inode); + result = -EBUSY; + if (IS_SWAPFILE(inode)) + goto out_swapfile; + result = nfs_revalidate_inode(NFS_DSERVER(dentry), dentry); if (result) goto out; - /* N.B. This should be impossible now -- inodes can't change mode */ - if (!S_ISREG(inode->i_mode)) { - printk("nfs_file_write: write to non-file, mode %07o\n", - inode->i_mode); - return -EINVAL; - } +#ifdef NFS_PARANOIA +/* N.B. This should be impossible now -- inodes can't change mode */ +if (!S_ISREG(inode->i_mode)) { + printk("nfs_file_write: write to non-file, mode %07o\n", + inode->i_mode); + return -EINVAL; +} +#endif result = count; if (!count) goto out; @@ -198,6 +200,10 @@ nfs_file_write(struct file *file, const char *buf, size_t count, loff_t *ppos) result = generic_file_write(file, buf, count, ppos); out: return result; + +out_swapfile: + printk("NFS: attempt to write to active swap file!\n"); + goto out; } /* |