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-rw-r--r--fs/fs-writeback.c4
-rw-r--r--include/linux/writeback.h1
2 files changed, 5 insertions, 0 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index fe190a8..e450429 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -464,6 +464,7 @@ writeback_single_inode(struct inode *inode, struct writeback_control *wbc)
* No need to add it back to the LRU.
*/
list_del_init(&inode->i_wb_list);
+ wbc->inodes_written++;
}
}
inode_sync_complete(inode);
@@ -725,6 +726,7 @@ static long wb_writeback(struct bdi_writeback *wb,
wbc.more_io = 0;
wbc.nr_to_write = write_chunk;
wbc.pages_skipped = 0;
+ wbc.inodes_written = 0;
trace_wbc_writeback_start(&wbc, wb->bdi);
if (work->sb)
@@ -741,6 +743,8 @@ static long wb_writeback(struct bdi_writeback *wb,
*/
if (wbc.nr_to_write <= 0)
continue;
+ if (wbc.inodes_written)
+ continue;
/*
* Didn't write everything and we don't have more IO, bail
*/
diff --git a/include/linux/writeback.h b/include/linux/writeback.h
index 3f6542c..7df9026 100644
--- a/include/linux/writeback.h
+++ b/include/linux/writeback.h
@@ -34,6 +34,7 @@ struct writeback_control {
long nr_to_write; /* Write this many pages, and decrement
this for each page written */
long pages_skipped; /* Pages which were not written */
+ long inodes_written; /* # of inodes written (at least) */
/*
* For a_ops->writepages(): is start or end are non-zero then this is
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