diff options
Diffstat (limited to 'fs/smbfs/file.c')
| -rw-r--r-- | fs/smbfs/file.c | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/fs/smbfs/file.c b/fs/smbfs/file.c index c5d78a7e492b..f5d14cebc75a 100644 --- a/fs/smbfs/file.c +++ b/fs/smbfs/file.c @@ -292,29 +292,45 @@ out: * If the writer ends up delaying the write, the writer needs to * increment the page use counts until he is done with the page. */ -static int smb_prepare_write(struct file *file, struct page *page, - unsigned offset, unsigned to) +static int smb_write_begin(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned flags, + struct page **pagep, void **fsdata) { + pgoff_t index = pos >> PAGE_CACHE_SHIFT; + *pagep = __grab_cache_page(mapping, index); + if (!*pagep) + return -ENOMEM; return 0; } -static int smb_commit_write(struct file *file, struct page *page, - unsigned offset, unsigned to) +static int smb_write_end(struct file *file, struct address_space *mapping, + loff_t pos, unsigned len, unsigned copied, + struct page *page, void *fsdata) { int status; + unsigned offset = pos & (PAGE_CACHE_SIZE - 1); - status = -EFAULT; lock_kernel(); - status = smb_updatepage(file, page, offset, to-offset); + status = smb_updatepage(file, page, offset, copied); unlock_kernel(); + + if (!status) { + if (!PageUptodate(page) && copied == PAGE_CACHE_SIZE) + SetPageUptodate(page); + status = copied; + } + + unlock_page(page); + page_cache_release(page); + return status; } const struct address_space_operations smb_file_aops = { .readpage = smb_readpage, .writepage = smb_writepage, - .prepare_write = smb_prepare_write, - .commit_write = smb_commit_write + .write_begin = smb_write_begin, + .write_end = smb_write_end, }; /* |