diff options
Diffstat (limited to 'fs/coda/file.c')
| -rw-r--r-- | fs/coda/file.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/coda/file.c b/fs/coda/file.c index fa4c100bdc7..9e83b779021 100644 --- a/fs/coda/file.c +++ b/fs/coda/file.c @@ -36,7 +36,7 @@ coda_file_read(struct file *coda_file, char __user *buf, size_t count, loff_t *p BUG_ON(!cfi || cfi->cfi_magic != CODA_MAGIC); host_file = cfi->cfi_container; - if (!host_file->f_op || !host_file->f_op->read) + if (!host_file->f_op->read) return -EINVAL; return host_file->f_op->read(host_file, buf, count, ppos); @@ -75,10 +75,11 @@ coda_file_write(struct file *coda_file, const char __user *buf, size_t count, lo BUG_ON(!cfi || cfi->cfi_magic != CODA_MAGIC); host_file = cfi->cfi_container; - if (!host_file->f_op || !host_file->f_op->write) + if (!host_file->f_op->write) return -EINVAL; host_inode = file_inode(host_file); + file_start_write(host_file); mutex_lock(&coda_inode->i_mutex); ret = host_file->f_op->write(host_file, buf, count, ppos); @@ -87,6 +88,7 @@ coda_file_write(struct file *coda_file, const char __user *buf, size_t count, lo coda_inode->i_blocks = (coda_inode->i_size + 511) >> 9; coda_inode->i_mtime = coda_inode->i_ctime = CURRENT_TIME_SEC; mutex_unlock(&coda_inode->i_mutex); + file_end_write(host_file); return ret; } @@ -103,7 +105,7 @@ coda_file_mmap(struct file *coda_file, struct vm_area_struct *vma) BUG_ON(!cfi || cfi->cfi_magic != CODA_MAGIC); host_file = cfi->cfi_container; - if (!host_file->f_op || !host_file->f_op->mmap) + if (!host_file->f_op->mmap) return -ENODEV; coda_inode = file_inode(coda_file); |