diff options
Diffstat (limited to 'fs/dax.c')
| -rw-r--r-- | fs/dax.c | 15 |
1 files changed, 11 insertions, 4 deletions
@@ -1150,13 +1150,16 @@ static int dax_iomap_pte_fault(struct vm_fault *vmf, int vmf_ret = 0; void *entry; + trace_dax_pte_fault(inode, vmf, vmf_ret); /* * Check whether offset isn't beyond end of file now. Caller is supposed * to hold locks serializing us with truncate / punch hole so this is * a reliable test. */ - if (pos >= i_size_read(inode)) - return VM_FAULT_SIGBUS; + if (pos >= i_size_read(inode)) { + vmf_ret = VM_FAULT_SIGBUS; + goto out; + } if ((vmf->flags & FAULT_FLAG_WRITE) && !vmf->cow_page) flags |= IOMAP_WRITE; @@ -1167,8 +1170,10 @@ static int dax_iomap_pte_fault(struct vm_fault *vmf, * that we never have to deal with more than a single extent here. */ error = ops->iomap_begin(inode, pos, PAGE_SIZE, flags, &iomap); - if (error) - return dax_fault_return(error); + if (error) { + vmf_ret = dax_fault_return(error); + goto out; + } if (WARN_ON_ONCE(iomap.offset + iomap.length < pos + PAGE_SIZE)) { vmf_ret = dax_fault_return(-EIO); /* fs corruption? */ goto finish_iomap; @@ -1252,6 +1257,8 @@ static int dax_iomap_pte_fault(struct vm_fault *vmf, */ ops->iomap_end(inode, pos, PAGE_SIZE, copied, flags, &iomap); } +out: + trace_dax_pte_fault_done(inode, vmf, vmf_ret); return vmf_ret; } |