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-rw-r--r--fs/btrfs/ctree.h2
-rw-r--r--fs/btrfs/inode.c5
-rw-r--r--fs/buffer.c6
-rw-r--r--fs/ext4/ext4.h2
-rw-r--r--fs/ext4/inode.c5
-rw-r--r--fs/fuse/file.c3
-rw-r--r--fs/gfs2/ops_file.c5
-rw-r--r--fs/nfs/file.c5
-rw-r--r--fs/ocfs2/mmap.c6
-rw-r--r--fs/ubifs/file.c9
-rw-r--r--fs/xfs/linux-2.6/xfs_file.c4
11 files changed, 37 insertions, 15 deletions
diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 5e1d4e3..7dd1b6d 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2060,7 +2060,7 @@ int btrfs_merge_bio_hook(struct page *page, unsigned long offset,
unsigned long btrfs_force_ra(struct address_space *mapping,
struct file_ra_state *ra, struct file *file,
pgoff_t offset, pgoff_t last_index);
-int btrfs_page_mkwrite(struct vm_area_struct *vma, struct page *page);
+int btrfs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf);
int btrfs_readpage(struct file *file, struct page *page);
void btrfs_delete_inode(struct inode *inode);
void btrfs_put_inode(struct inode *inode);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 7d4f948..ec54237 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4292,8 +4292,9 @@ static void btrfs_invalidatepage(struct page *page, unsigned long offset)
* beyond EOF, then the page is guaranteed safe against truncation until we
* unlock the page.
*/
-int btrfs_page_mkwrite(struct vm_area_struct *vma, struct page *page)
+int btrfs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
{
+ struct page *page = vmf->page;
struct inode *inode = fdentry(vma->vm_file)->d_inode;
struct btrfs_root *root = BTRFS_I(inode)->root;
struct extent_io_tree *io_tree = &BTRFS_I(inode)->io_tree;
@@ -4362,6 +4363,8 @@ again:
out_unlock:
unlock_page(page);
out:
+ if (ret)
+ ret = VM_FAULT_SIGBUS;
return ret;
}
diff --git a/fs/buffer.c b/fs/buffer.c
index 73abe6d..6d51a3d 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -2313,9 +2313,10 @@ int block_commit_write(struct page *page, unsigned from, unsigned to)
* unlock the page.
*/
int
-block_page_mkwrite(struct vm_area_struct *vma, struct page *page,
+block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf,
get_block_t get_block)
{
+ struct page *page = vmf->page;
struct inode *inode = vma->vm_file->f_path.dentry->d_inode;
unsigned long end;
loff_t size;
@@ -2340,6 +2341,9 @@ block_page_mkwrite(struct vm_area_struct *vma, struct page *page,
ret = block_commit_write(page, 0, end);
out_unlock:
+ if (ret)
+ ret = VM_FAULT_SIGBUS;
+
unlock_page(page);
return ret;
}
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 6083bb38..990c940 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1098,7 +1098,7 @@ extern int ext4_meta_trans_blocks(struct inode *, int nrblocks, int idxblocks);
extern int ext4_chunk_trans_blocks(struct inode *, int nrblocks);
extern int ext4_block_truncate_page(handle_t *handle,
struct address_space *mapping, loff_t from);
-extern int ext4_page_mkwrite(struct vm_area_struct *vma, struct page *page);
+extern int ext4_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf);
extern qsize_t ext4_get_reserved_space(struct inode *inode);
/* ioctl.c */
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 71d3ecd..dd82ff3 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -5146,8 +5146,9 @@ static int ext4_bh_unmapped(handle_t *handle, struct buffer_head *bh)
return !buffer_mapped(bh);
}
-int ext4_page_mkwrite(struct vm_area_struct *vma, struct page *page)
+int ext4_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
{
+ struct page *page = vmf->page;
loff_t size;
unsigned long len;
int ret = -EINVAL;
@@ -5199,6 +5200,8 @@ int ext4_page_mkwrite(struct vm_area_struct *vma, struct page *page)
goto out_unlock;
ret = 0;
out_unlock:
+ if (ret)
+ ret = VM_FAULT_SIGBUS;
up_read(&inode->i_alloc_sem);
return ret;
}
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 821d10f..4e340fe 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1234,8 +1234,9 @@ static void fuse_vma_close(struct vm_area_struct *vma)
* - sync(2)
* - try_to_free_pages() with order > PAGE_ALLOC_COSTLY_ORDER
*/
-static int fuse_page_mkwrite(struct vm_area_struct *vma, struct page *page)
+static int fuse_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
{
+ struct page *page = vmf->page;
/*
* Don't use page->mapping as it may become NULL from a
* concurrent truncate.
diff --git a/fs/gfs2/ops_file.c b/fs/gfs2/ops_file.c
index 3b9e8de..70b9b85 100644
--- a/fs/gfs2/ops_file.c
+++ b/fs/gfs2/ops_file.c
@@ -337,8 +337,9 @@ static int gfs2_allocate_page_backing(struct page *page)
* blocks allocated on disk to back that page.
*/
-static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct page *page)
+static int gfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
{
+ struct page *page = vmf->page;
struct inode *inode = vma->vm_file->f_path.dentry->d_inode;
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_sbd *sdp = GFS2_SB(inode);
@@ -412,6 +413,8 @@ out_unlock:
gfs2_glock_dq(&gh);
out:
gfs2_holder_uninit(&gh);
+ if (ret)
+ ret = VM_FAULT_SIGBUS;
return ret;
}
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 90f292b..cec7939 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -451,8 +451,9 @@ const struct address_space_operations nfs_file_aops = {
.launder_page = nfs_launder_page,
};
-static int nfs_vm_page_mkwrite(struct vm_area_struct *vma, struct page *page)
+static int nfs_vm_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
{
+ struct page *page = vmf->page;
struct file *filp = vma->vm_file;
struct dentry *dentry = filp->f_path.dentry;
unsigned pagelen;
@@ -483,6 +484,8 @@ static int nfs_vm_page_mkwrite(struct vm_area_struct *vma, struct page *page)
ret = pagelen;
out_unlock:
unlock_page(page);
+ if (ret)
+ ret = VM_FAULT_SIGBUS;
return ret;
}
diff --git a/fs/ocfs2/mmap.c b/fs/ocfs2/mmap.c
index eea1d24..b606496 100644
--- a/fs/ocfs2/mmap.c
+++ b/fs/ocfs2/mmap.c
@@ -154,8 +154,9 @@ out:
return ret;
}
-static int ocfs2_page_mkwrite(struct vm_area_struct *vma, struct page *page)
+static int ocfs2_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
{
+ struct page *page = vmf->page;
struct inode *inode = vma->vm_file->f_path.dentry->d_inode;
struct buffer_head *di_bh = NULL;
sigset_t blocked, oldset;
@@ -196,7 +197,8 @@ out:
ret2 = ocfs2_vm_op_unblock_sigs(&oldset);
if (ret2 < 0)
mlog_errno(ret2);
-
+ if (ret)
+ ret = VM_FAULT_SIGBUS;
return ret;
}
diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 93b6de5..0ff89fe 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -1434,8 +1434,9 @@ static int ubifs_releasepage(struct page *page, gfp_t unused_gfp_flags)
* mmap()d file has taken write protection fault and is being made
* writable. UBIFS must ensure page is budgeted for.
*/
-static int ubifs_vm_page_mkwrite(struct vm_area_struct *vma, struct page *page)
+static int ubifs_vm_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
{
+ struct page *page = vmf->page;
struct inode *inode = vma->vm_file->f_path.dentry->d_inode;
struct ubifs_info *c = inode->i_sb->s_fs_info;
struct timespec now = ubifs_current_time(inode);
@@ -1447,7 +1448,7 @@ static int ubifs_vm_page_mkwrite(struct vm_area_struct *vma, struct page *page)
ubifs_assert(!(inode->i_sb->s_flags & MS_RDONLY));
if (unlikely(c->ro_media))
- return -EROFS;
+ return VM_FAULT_SIGBUS; /* -EROFS */
/*
* We have not locked @page so far so we may budget for changing the
@@ -1480,7 +1481,7 @@ static int ubifs_vm_page_mkwrite(struct vm_area_struct *vma, struct page *page)
if (err == -ENOSPC)
ubifs_warn("out of space for mmapped file "
"(inode number %lu)", inode->i_ino);
- return err;
+ return VM_FAULT_SIGBUS;
}
lock_page(page);
@@ -1520,6 +1521,8 @@ static int ubifs_vm_page_mkwrite(struct vm_area_struct *vma, struct page *page)
out_unlock:
unlock_page(page);
ubifs_release_budget(c, &req);
+ if (err)
+ err = VM_FAULT_SIGBUS;
return err;
}
diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c
index e14c4e3..f4e2554 100644
--- a/fs/xfs/linux-2.6/xfs_file.c
+++ b/fs/xfs/linux-2.6/xfs_file.c
@@ -234,9 +234,9 @@ xfs_file_mmap(
STATIC int
xfs_vm_page_mkwrite(
struct vm_area_struct *vma,
- struct page *page)
+ struct vm_fault *vmf)
{
- return block_page_mkwrite(vma, page, xfs_get_blocks);
+ return block_page_mkwrite(vma, vmf, xfs_get_blocks);
}
const struct file_operations xfs_file_operations = {
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