It is enough to update gfs2_page_mkwrite() to use new freeze protection.
Rest is handled by the generic code.
CC: cluster-devel@redhat.com
CC: Steven Whitehouse <swhit...@redhat.com>
Signed-off-by: Jan Kara <j...@suse.cz>
---
fs/gfs2/file.c | 15 +++------------
1 files changed, 3 insertions(+), 12 deletions(-)
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index 1f03531..806b7a4 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -369,11 +369,7 @@ static int gfs2_page_mkwrite(struct vm_area_struct *vma,
struct vm_fault *vmf)
loff_t size;
int ret;
- /* Wait if fs is frozen. This is racy so we check again later on
- * and retry if the fs has been frozen after the page lock has
- * been acquired
- */
- vfs_check_frozen(inode->i_sb, SB_FREEZE_WRITE);
+ sb_start_pagefault(inode->i_sb);
/* Update file times before taking page lock */
file_update_time(vma->vm_file);
@@ -457,14 +453,9 @@ out:
gfs2_holder_uninit(&gh);
if (ret == 0) {
set_page_dirty(page);
- /* This check must be post dropping of transaction lock */
- if (inode->i_sb->s_frozen == SB_UNFROZEN) {
- wait_on_page_writeback(page);
- } else {
- ret = -EAGAIN;
- unlock_page(page);
- }
+ wait_on_page_writeback(page);
}
+ sb_end_pagefault(inode->i_sb);
return block_page_mkwrite_return(ret);
}
--
1.7.1
