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Diffstat (limited to 'fs/gfs2/ops_vm.c')
-rw-r--r--fs/gfs2/ops_vm.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/fs/gfs2/ops_vm.c b/fs/gfs2/ops_vm.c
index dc287d2e3a66..927d739d4685 100644
--- a/fs/gfs2/ops_vm.c
+++ b/fs/gfs2/ops_vm.c
@@ -112,7 +112,7 @@ static int gfs2_sharewrite_fault(struct vm_area_struct *vma,
112 struct gfs2_holder i_gh; 112 struct gfs2_holder i_gh;
113 int alloc_required; 113 int alloc_required;
114 int error; 114 int error;
115 int ret = VM_FAULT_MINOR; 115 int ret = 0;
116 116
117 error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &i_gh); 117 error = gfs2_glock_nq_init(ip->i_gl, LM_ST_EXCLUSIVE, 0, &i_gh);
118 if (error) 118 if (error)
@@ -132,14 +132,19 @@ static int gfs2_sharewrite_fault(struct vm_area_struct *vma,
132 set_bit(GFF_EXLOCK, &gf->f_flags); 132 set_bit(GFF_EXLOCK, &gf->f_flags);
133 ret = filemap_fault(vma, vmf); 133 ret = filemap_fault(vma, vmf);
134 clear_bit(GFF_EXLOCK, &gf->f_flags); 134 clear_bit(GFF_EXLOCK, &gf->f_flags);
135 if (ret & (VM_FAULT_ERROR | FAULT_RET_NOPAGE)) 135 if (ret & VM_FAULT_ERROR)
136 goto out_unlock; 136 goto out_unlock;
137 137
138 if (alloc_required) { 138 if (alloc_required) {
139 /* XXX: do we need to drop page lock around alloc_page_backing?*/ 139 /* XXX: do we need to drop page lock around alloc_page_backing?*/
140 error = alloc_page_backing(ip, vmf->page); 140 error = alloc_page_backing(ip, vmf->page);
141 if (error) { 141 if (error) {
142 if (ret & FAULT_RET_LOCKED) 142 /*
143 * VM_FAULT_LOCKED should always be the case for
144 * filemap_fault, but it may not be in a future
145 * implementation.
146 */
147 if (ret & VM_FAULT_LOCKED)
143 unlock_page(vmf->page); 148 unlock_page(vmf->page);
144 page_cache_release(vmf->page); 149 page_cache_release(vmf->page);
145 ret = VM_FAULT_OOM; 150 ret = VM_FAULT_OOM;