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Diffstat (limited to 'fs/gfs2/file.c')
-rw-r--r--fs/gfs2/file.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c
index a0b542d84cd9..8a35a0196b6d 100644
--- a/fs/gfs2/file.c
+++ b/fs/gfs2/file.c
@@ -540,9 +540,11 @@ static vm_fault_t gfs2_fault(struct vm_fault *vmf)
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_holder gh;
vm_fault_t ret;
+ u16 state;
int err;
- gfs2_holder_init(ip->i_gl, LM_ST_SHARED, 0, &gh);
+ state = (vmf->flags & FAULT_FLAG_WRITE) ? LM_ST_EXCLUSIVE : LM_ST_SHARED;
+ gfs2_holder_init(ip->i_gl, state, 0, &gh);
err = gfs2_glock_nq(&gh);
if (err) {
ret = block_page_mkwrite_return(err);
@@ -911,8 +913,11 @@ static ssize_t gfs2_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
current->backing_dev_info = inode_to_bdi(inode);
buffered = iomap_file_buffered_write(iocb, from, &gfs2_iomap_ops);
current->backing_dev_info = NULL;
- if (unlikely(buffered <= 0))
+ if (unlikely(buffered <= 0)) {
+ if (!ret)
+ ret = buffered;
goto out_unlock;
+ }
/*
* We need to ensure that the page cache pages are written to