Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxxxxxx>
---
fs/ext4/inode.c | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index dd32a2e..2cb2961 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2382,8 +2382,11 @@ static int ext4_writepages(struct address_space *mapping,
* a transaction for special inodes like journal inode on last iput()
* because that could violate lock ordering on umount
*/
- if (!mapping->nrpages || !mapping_tagged(mapping, PAGECACHE_TAG_DIRTY))
+ if (!mapping->nrpages ||
+ !mapping_tagged(mapping, PAGECACHE_TAG_DIRTY)) {
+ mapping_flush_cmtime(mapping);
return 0;
+ }
if (ext4_should_journal_data(inode)) {
struct blk_plug plug;
@@ -2391,6 +2394,7 @@ static int ext4_writepages(struct address_space *mapping,
blk_start_plug(&plug);
ret = write_cache_pages(mapping, wbc, __writepage, mapping);
+ mapping_flush_cmtime(mapping);
blk_finish_plug(&plug);
return ret;
}
@@ -2525,6 +2529,7 @@ retry:
if (ret)
break;
}
+ mapping_flush_cmtime(mapping);
blk_finish_plug(&plug);
if (!ret && !cycled) {
cycled = 1;
@@ -3238,6 +3243,7 @@ static const struct address_space_operations ext4_aops = {
.writepages = ext4_writepages,
.write_begin = ext4_write_begin,
.write_end = ext4_write_end,
+ .update_cmtime_deferred = generic_update_cmtime_deferred,
.bmap = ext4_bmap,
.invalidatepage = ext4_invalidatepage,
.releasepage = ext4_releasepage,
@@ -3254,6 +3260,7 @@ static const struct address_space_operations ext4_journalled_aops = {
.writepages = ext4_writepages,
.write_begin = ext4_write_begin,
.write_end = ext4_journalled_write_end,
+ .update_cmtime_deferred = generic_update_cmtime_deferred,
.set_page_dirty = ext4_journalled_set_page_dirty,
.bmap = ext4_bmap,
.invalidatepage = ext4_journalled_invalidatepage,
@@ -3270,6 +3277,7 @@ static const struct address_space_operations ext4_da_aops = {
.writepages = ext4_writepages,
.write_begin = ext4_da_write_begin,
.write_end = ext4_da_write_end,
+ .update_cmtime_deferred = generic_update_cmtime_deferred,
.bmap = ext4_bmap,
.invalidatepage = ext4_da_invalidatepage,
.releasepage = ext4_releasepage,
@@ -5025,7 +5033,6 @@ int ext4_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
int retries = 0;
sb_start_pagefault(inode->i_sb);
- file_update_time(vma->vm_file);
/* Delalloc case is easy... */
if (test_opt(inode->i_sb, DELALLOC) &&
!ext4_should_journal_data(inode) &&
--
1.8.3.1
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