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Diffstat (limited to 'fs/xfs/scrub/xfile.c')
-rw-r--r--fs/xfs/scrub/xfile.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/fs/xfs/scrub/xfile.c b/fs/xfs/scrub/xfile.c
index 8cdd863db5..d848222f80 100644
--- a/fs/xfs/scrub/xfile.c
+++ b/fs/xfs/scrub/xfile.c
@@ -10,9 +10,9 @@
#include "xfs_log_format.h"
#include "xfs_trans_resv.h"
#include "xfs_mount.h"
+#include "scrub/scrub.h"
#include "scrub/xfile.h"
#include "scrub/xfarray.h"
-#include "scrub/scrub.h"
#include "scrub/trace.h"
#include <linux/shmem_fs.h>
@@ -310,3 +310,15 @@ xfile_put_folio(
folio_unlock(folio);
folio_put(folio);
}
+
+/* Discard the page cache that's backing a range of the xfile. */
+void
+xfile_discard(
+ struct xfile *xf,
+ loff_t pos,
+ u64 count)
+{
+ trace_xfile_discard(xf, pos, count);
+
+ shmem_truncate_range(file_inode(xf->file), pos, pos + count - 1);
+}