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-rw-r--r--fs/ext4/inode.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index c9ea95ba5fde..45fc5bdb7d67 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2800,12 +2800,13 @@ static int ext4_da_writepages_trans_blocks(struct inode *inode)
*/
static int write_cache_pages_da(struct address_space *mapping,
struct writeback_control *wbc,
- struct mpage_da_data *mpd)
+ struct mpage_da_data *mpd,
+ pgoff_t *done_index)
{
int ret = 0;
int done = 0;
struct pagevec pvec;
- int nr_pages;
+ unsigned nr_pages;
pgoff_t index;
pgoff_t end; /* Inclusive */
long nr_to_write = wbc->nr_to_write;
@@ -2820,6 +2821,7 @@ static int write_cache_pages_da(struct address_space *mapping,
else
tag = PAGECACHE_TAG_DIRTY;
+ *done_index = index;
while (!done && (index <= end)) {
int i;
@@ -2843,6 +2845,8 @@ static int write_cache_pages_da(struct address_space *mapping,
break;
}
+ *done_index = page->index + 1;
+
lock_page(page);
/*
@@ -2928,6 +2932,7 @@ static int ext4_da_writepages(struct address_space *mapping,
long desired_nr_to_write, nr_to_writebump = 0;
loff_t range_start = wbc->range_start;
struct ext4_sb_info *sbi = EXT4_SB(mapping->host->i_sb);
+ pgoff_t done_index = 0;
pgoff_t end;
trace_ext4_da_writepages(inode, wbc);
@@ -3050,7 +3055,7 @@ retry:
mpd.io_done = 0;
mpd.pages_written = 0;
mpd.retval = 0;
- ret = write_cache_pages_da(mapping, wbc, &mpd);
+ ret = write_cache_pages_da(mapping, wbc, &mpd, &done_index);
/*
* If we have a contiguous extent of pages and we
* haven't done the I/O yet, map the blocks and submit
@@ -3104,14 +3109,13 @@ retry:
__func__, wbc->nr_to_write, ret);
/* Update index */
- index += pages_written;
wbc->range_cyclic = range_cyclic;
if (wbc->range_cyclic || (range_whole && wbc->nr_to_write > 0))
/*
* set the writeback_index so that range_cyclic
* mode will write it back later
*/
- mapping->writeback_index = index;
+ mapping->writeback_index = done_index;
out_writepages:
wbc->nr_to_write -= nr_to_writebump;