diff options
Diffstat (limited to 'fs/dax.c')
| -rw-r--r-- | fs/dax.c | 24 |
1 files changed, 5 insertions, 19 deletions
@@ -798,29 +798,19 @@ static int dax_insert_mapping(struct address_space *mapping, .sector = to_sector(bh, mapping->host), .size = bh->b_size, }; - int error; void *ret; void *entry = *entryp; - i_mmap_lock_read(mapping); - - if (dax_map_atomic(bdev, &dax) < 0) { - error = PTR_ERR(dax.addr); - goto out; - } + if (dax_map_atomic(bdev, &dax) < 0) + return PTR_ERR(dax.addr); dax_unmap_atomic(bdev, &dax); ret = dax_insert_mapping_entry(mapping, vmf, entry, dax.sector); - if (IS_ERR(ret)) { - error = PTR_ERR(ret); - goto out; - } + if (IS_ERR(ret)) + return PTR_ERR(ret); *entryp = ret; - error = vm_insert_mixed(vma, vaddr, dax.pfn); - out: - i_mmap_unlock_read(mapping); - return error; + return vm_insert_mixed(vma, vaddr, dax.pfn); } /** @@ -1058,8 +1048,6 @@ int __dax_pmd_fault(struct vm_area_struct *vma, unsigned long address, truncate_pagecache_range(inode, lstart, lend); } - i_mmap_lock_read(mapping); - if (!write && !buffer_mapped(&bh)) { spinlock_t *ptl; pmd_t entry; @@ -1148,8 +1136,6 @@ int __dax_pmd_fault(struct vm_area_struct *vma, unsigned long address, } out: - i_mmap_unlock_read(mapping); - return result; fallback: |