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| author | Martin Brandenburg <martin@omnibond.com> | 2015-09-30 20:11:54 +0300 |
|---|---|---|
| committer | Mike Marshall <hubcap@omnibond.com> | 2015-10-03 18:44:39 +0300 |
| commit | 353908035f699bc6b769c4cd351c3125553d63c1 (patch) | |
| tree | f8ef7d3d264b274d0671af66cdab8268109af958 /fs/orangefs/file.c | |
| parent | 1be21f865aa5a94b178bf22e749567001cf5ef9b (diff) | |
| download | linux-353908035f699bc6b769c4cd351c3125553d63c1.tar.xz | |
Orangefs: Use readonly mmap since writepage is not implemented.
Previously the code silently failed to update the disk. Now it will not
allow writable and shared mmaps.
Signed-off-by: Martin Brandenburg <martin@omnibond.com>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
Diffstat (limited to 'fs/orangefs/file.c')
| -rw-r--r-- | fs/orangefs/file.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/orangefs/file.c b/fs/orangefs/file.c index 53e58c3f2121..87f718163d1b 100644 --- a/fs/orangefs/file.c +++ b/fs/orangefs/file.c @@ -853,7 +853,9 @@ static int pvfs2_file_mmap(struct file *file, struct vm_area_struct *vma) /* set the sequential readahead hint */ vma->vm_flags |= VM_SEQ_READ; vma->vm_flags &= ~VM_RAND_READ; - return generic_file_mmap(file, vma); + + /* Use readonly mmap since we cannot support writable maps. */ + return generic_file_readonly_mmap(file, vma); } #define mapping_nrpages(idata) ((idata)->nrpages) |