diff options
Diffstat (limited to 'kernel/file.c')
| -rw-r--r-- | kernel/file.c | 70 |
1 files changed, 39 insertions, 31 deletions
diff --git a/kernel/file.c b/kernel/file.c index 77c540e..dd9758c 100644 --- a/kernel/file.c +++ b/kernel/file.c @@ -32,9 +32,9 @@ static int fuse_send_open(struct inode *inode, struct file *file, int isdir, struct fuse_req *req; int err; - req = fuse_get_request(fc); - if (!req) - return -EINTR; + req = fuse_get_req(fc); + if (IS_ERR(req)) + return PTR_ERR(req); memset(&inarg, 0, sizeof(inarg)); inarg.flags = file->f_flags & ~(O_CREAT | O_EXCL | O_NOCTTY | O_TRUNC); @@ -198,9 +198,9 @@ static int fuse_flush(struct file *file) if (fc->no_flush) return 0; - req = fuse_get_request(fc); - if (!req) - return -EINTR; + req = fuse_get_req(fc); + if (IS_ERR(req)) + return PTR_ERR(req); memset(&inarg, 0, sizeof(inarg)); inarg.fh = ff->fh; @@ -237,9 +237,9 @@ int fuse_fsync_common(struct file *file, struct dentry *de, int datasync, if ((!isdir && fc->no_fsync) || (isdir && fc->no_fsyncdir)) return 0; - req = fuse_get_request(fc); - if (!req) - return -EINTR; + req = fuse_get_req(fc); + if (IS_ERR(req)) + return PTR_ERR(req); memset(&inarg, 0, sizeof(inarg)); inarg.fh = ff->fh; @@ -311,9 +311,9 @@ static int fuse_readpage(struct file *file, struct page *page) if (is_bad_inode(inode)) goto out; - err = -EINTR; - req = fuse_get_request(fc); - if (!req) + req = fuse_get_req(fc); + err = PTR_ERR(req); + if (IS_ERR(req)) goto out; req->out.page_zeroing = 1; @@ -383,10 +383,10 @@ static int fuse_readpages_fill(void *_data, struct page *page) (req->num_pages + 1) * PAGE_CACHE_SIZE > fc->max_read || req->pages[req->num_pages - 1]->index + 1 != page->index)) { fuse_send_readpages(req, data->file, inode); - data->req = req = fuse_get_request(fc); - if (!req) { + data->req = req = fuse_get_req(fc); + if (IS_ERR(req)) { unlock_page(page); - return -EINTR; + return PTR_ERR(req); } } req->pages[req->num_pages] = page; @@ -407,13 +407,17 @@ static int fuse_readpages(struct file *file, struct address_space *mapping, data.file = file; data.inode = inode; - data.req = fuse_get_request(fc); - if (!data.req) - return -EINTR; + data.req = fuse_get_req(fc); + if (IS_ERR(data.req)) + return PTR_ERR(data.req); err = read_cache_pages(mapping, pages, fuse_readpages_fill, &data); - if (!err) - fuse_send_readpages(data.req, file, inode); + if (!err) { + if (data.req->num_pages) + fuse_send_readpages(data.req, file, inode); + else + fuse_put_request(fc, data.req); + } return err; } #else /* KERNEL_2_6 */ @@ -497,9 +501,9 @@ static int fuse_file_bigread(struct file *file, struct inode *inode, starti = (pos & FUSE_BLOCK_MASK) >> PAGE_CACHE_SHIFT; endi = (end + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT; - req = fuse_get_request(fc); - if (!req) - return -EINTR; + req = fuse_get_req(fc); + if (IS_ERR(req)) + return PTR_ERR(req); for (; starti < endi; starti = nexti) { nexti = starti + (FUSE_BLOCK_SIZE >> PAGE_CACHE_SHIFT); @@ -565,9 +569,9 @@ static int fuse_commit_write(struct file *file, struct page *page, if (is_bad_inode(inode)) return -EIO; - req = fuse_get_request(fc); - if (!req) - return -EINTR; + req = fuse_get_req(fc); + if (IS_ERR(req)) + return PTR_ERR(req); req->num_pages = 1; req->pages[0] = page; @@ -643,9 +647,9 @@ static ssize_t fuse_direct_io(struct file *file, const char __user *buf, if (is_bad_inode(inode)) return -EIO; - req = fuse_get_request(fc); - if (!req) - return -EINTR; + req = fuse_get_req(fc); + if (IS_ERR(req)) + return PTR_ERR(req); while (count) { size_t nres; @@ -676,8 +680,12 @@ static ssize_t fuse_direct_io(struct file *file, const char __user *buf, buf += nres; if (nres != nbytes) break; - if (count) - fuse_reset_request(req); + if (count) { + fuse_put_request(fc, req); + req = fuse_get_req(fc); + if (IS_ERR(req)) + break; + } } fuse_put_request(fc, req); if (res > 0) { |