diff options
Diffstat (limited to 'fs/9p/vfs_file.c')
| -rw-r--r-- | fs/9p/vfs_file.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c index cafaa46434b..3902bf43a08 100644 --- a/fs/9p/vfs_file.c +++ b/fs/9p/vfs_file.c @@ -41,6 +41,7 @@ #include "v9fs.h" #include "v9fs_vfs.h" #include "fid.h" +#include "cache.h" static const struct file_operations v9fs_cached_file_operations; @@ -86,6 +87,10 @@ int v9fs_file_open(struct inode *inode, struct file *file) /* enable cached file options */ if(file->f_op == &v9fs_file_operations) file->f_op = &v9fs_cached_file_operations; + +#ifdef CONFIG_9P_FSCACHE + v9fs_cache_inode_set_cookie(inode, file); +#endif } return 0; @@ -238,8 +243,9 @@ v9fs_file_write(struct file *filp, const char __user * data, if (total > 0) { pg_start = origin >> PAGE_CACHE_SHIFT; pg_end = (origin + total - 1) >> PAGE_CACHE_SHIFT; - invalidate_inode_pages2_range(inode->i_mapping, pg_start, - pg_end); + if (inode->i_mapping && inode->i_mapping->nrpages) + invalidate_inode_pages2_range(inode->i_mapping, + pg_start, pg_end); *offset += total; i_size_write(inode, i_size_read(inode) + total); inode->i_blocks = (i_size_read(inode) + 512 - 1) >> 9; |