diff options
Diffstat (limited to 'fs/btrfs/file.c')
| -rw-r--r-- | fs/btrfs/file.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 6b455c2b3f03..23f029359688 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -607,7 +607,8 @@ static ssize_t btrfs_file_write(struct file *file, const char __user *buf, while(count > 0) { size_t offset = pos & (PAGE_CACHE_SIZE - 1); - size_t write_bytes = min(count, nrptrs * PAGE_CACHE_SIZE - + size_t write_bytes = min(count, nrptrs * + (size_t)PAGE_CACHE_SIZE - offset); size_t num_pages = (write_bytes + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT; |