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| author | James Morris <jmorris@namei.org> | 2011-04-19 21:32:41 +1000 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2011-04-19 21:32:41 +1000 |
| commit | d4ab4e6a23f805abb8fc3cc34525eec3788aeca1 (patch) | |
| tree | eefd82c155bc27469a85667d759cd90facf4a6e3 /fs/nilfs2/file.c | |
| parent | c0fa797ae6cd02ff87c0bfe0d509368a3b45640e (diff) | |
| parent | 96fd2d57b8252e16dfacf8941f7a74a6119197f5 (diff) | |
Merge branch 'master'; commit 'v2.6.39-rc3' into next
Diffstat (limited to 'fs/nilfs2/file.c')
| -rw-r--r-- | fs/nilfs2/file.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/fs/nilfs2/file.c b/fs/nilfs2/file.c index 93589fccdd9..397e7325863 100644 --- a/fs/nilfs2/file.c +++ b/fs/nilfs2/file.c @@ -72,10 +72,9 @@ static int nilfs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) /* * check to see if the page is mapped already (no holes) */ - if (PageMappedToDisk(page)) { - unlock_page(page); + if (PageMappedToDisk(page)) goto mapped; - } + if (page_has_buffers(page)) { struct buffer_head *bh, *head; int fully_mapped = 1; @@ -90,7 +89,6 @@ static int nilfs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) if (fully_mapped) { SetPageMappedToDisk(page); - unlock_page(page); goto mapped; } } @@ -105,16 +103,17 @@ static int nilfs_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) return VM_FAULT_SIGBUS; ret = block_page_mkwrite(vma, vmf, nilfs_get_block); - if (unlikely(ret)) { + if (ret != VM_FAULT_LOCKED) { nilfs_transaction_abort(inode->i_sb); return ret; } + nilfs_set_file_dirty(inode, 1 << (PAGE_SHIFT - inode->i_blkbits)); nilfs_transaction_commit(inode->i_sb); mapped: SetPageChecked(page); wait_on_page_writeback(page); - return 0; + return VM_FAULT_LOCKED; } static const struct vm_operations_struct nilfs_file_vm_ops = { |