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-rw-r--r--Documentation/filesystems/porting7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting
index dfbcd1b00b0a..0c986c9e8519 100644
--- a/Documentation/filesystems/porting
+++ b/Documentation/filesystems/porting
@@ -394,3 +394,10 @@ file) you must return -EOPNOTSUPP if FALLOC_FL_PUNCH_HOLE is set in mode.
394Currently you can only have FALLOC_FL_PUNCH_HOLE with FALLOC_FL_KEEP_SIZE set, 394Currently you can only have FALLOC_FL_PUNCH_HOLE with FALLOC_FL_KEEP_SIZE set,
395so the i_size should not change when hole punching, even when puching the end of 395so the i_size should not change when hole punching, even when puching the end of
396a file off. 396a file off.
397
398--
399[mandatory]
400 ->get_sb() is gone. Switch to use of ->mount(). Typically it's just
401a matter of switching from calling get_sb_... to mount_... and changing the
402function type. If you were doing it manually, just switch from setting ->mnt_root
403to some pointer to returning that pointer. On errors return ERR_PTR(...).