Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=89488984ac23b0580f959b9ee549f2fcb1c2f194
Commit: 89488984ac23b0580f959b9ee549f2fcb1c2f194
Parent: abf8b1569415bb4a8915a4884943ecd39c510957
Author: Mark Fasheh <[EMAIL PROTECTED]>
AuthorDate: Wed Jan 17 13:10:55 2007 -0800
Committer: Mark Fasheh <[EMAIL PROTECTED]>
CommitDate: Thu Apr 26 15:02:01 2007 -0700
ocfs2: Turn off shared writeable mmap for local files systems with holes.
This will be turned back on once we can do allocation in ->page_mkwrite().
Signed-off-by: Mark Fasheh <[EMAIL PROTECTED]>
---
fs/ocfs2/mmap.c | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/fs/ocfs2/mmap.c b/fs/ocfs2/mmap.c
index 51b0204..af01158 100644
--- a/fs/ocfs2/mmap.c
+++ b/fs/ocfs2/mmap.c
@@ -85,8 +85,11 @@ int ocfs2_mmap(struct file *file, struct vm_area_struct *vma)
int ret = 0, lock_level = 0;
struct ocfs2_super *osb = OCFS2_SB(file->f_dentry->d_inode->i_sb);
- /* We don't want to support shared writable mappings yet. */
- if (!ocfs2_mount_local(osb) &&
+ /*
+ * Only support shared writeable mmap for local mounts which
+ * don't know about holes.
+ */
+ if ((!ocfs2_mount_local(osb) || ocfs2_sparse_alloc(osb)) &&
((vma->vm_flags & VM_SHARED) || (vma->vm_flags & VM_MAYSHARE)) &&
((vma->vm_flags & VM_WRITE) || (vma->vm_flags & VM_MAYWRITE))) {
mlog(0, "disallow shared writable mmaps %lx\n", vma->vm_flags);
-
To unsubscribe from this list: send the line "unsubscribe git-commits-head" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
