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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-11-30 18:50:18 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-11-30 18:50:18 -0300 |
| commit | 62e27076b7a48d1c8fc4eed59ff75f6382915c46 (patch) | |
| tree | bf42384a97f0367a9fac81f3aa29da7815396958 /fs/fuse | |
| parent | d26f4ddb48463e2ff798859505af1cc520e75685 (diff) | |
Linux-libre 4.8.11-gnupck-4.8.11-gnu
Diffstat (limited to 'fs/fuse')
| -rw-r--r-- | fs/fuse/file.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 3988b43c2..a621dd98a 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -1985,6 +1985,10 @@ static int fuse_write_end(struct file *file, struct address_space *mapping, { struct inode *inode = page->mapping->host; + /* Haven't copied anything? Skip zeroing, size extending, dirtying. */ + if (!copied) + goto unlock; + if (!PageUptodate(page)) { /* Zero any unwritten bytes at the end of the page */ size_t endoff = (pos + copied) & ~PAGE_MASK; @@ -1995,6 +1999,8 @@ static int fuse_write_end(struct file *file, struct address_space *mapping, fuse_write_update_size(inode, pos + copied); set_page_dirty(page); + +unlock: unlock_page(page); put_page(page); |