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Adding breaktrace & disabling timer migration
[kvmfornfv.git]
/
kernel
/
fs
/
sync.c
diff --git
a/kernel/fs/sync.c
b/kernel/fs/sync.c
index
fbc98ee
..
dd5d171
100644
(file)
--- a/
kernel/fs/sync.c
+++ b/
kernel/fs/sync.c
@@
-86,7
+86,12
@@
static void fdatawrite_one_bdev(struct block_device *bdev, void *arg)
static void fdatawait_one_bdev(struct block_device *bdev, void *arg)
{
static void fdatawait_one_bdev(struct block_device *bdev, void *arg)
{
- filemap_fdatawait(bdev->bd_inode->i_mapping);
+ /*
+ * We keep the error status of individual mapping so that
+ * applications can catch the writeback error using fsync(2).
+ * See filemap_fdatawait_keep_errors() for details.
+ */
+ filemap_fdatawait_keep_errors(bdev->bd_inode->i_mapping);
}
/*
}
/*
@@
-343,7
+348,8
@@
SYSCALL_DEFINE4(sync_file_range, int, fd, loff_t, offset, loff_t, nbytes,
}
if (flags & SYNC_FILE_RANGE_WRITE) {
}
if (flags & SYNC_FILE_RANGE_WRITE) {
- ret = filemap_fdatawrite_range(mapping, offset, endbyte);
+ ret = __filemap_fdatawrite_range(mapping, offset, endbyte,
+ WB_SYNC_NONE);
if (ret < 0)
goto out_put;
}
if (ret < 0)
goto out_put;
}