Merge tag 'pstore-v4.20-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/kees...

[sfrench/cifs-2.6.git] / include / linux / pstore.h

diff --git a/include/linux/pstore.h b/include/linux/pstore.h
index a15bc4d487528f4f4301fdb9f30d465799637652..30fcec375a3af2d8b0ee305b7c540a15080847d2 100644 (file)
--- a/include/linux/pstore.h
+++ b/include/linux/pstore.h
@@ -90,7 +90,10 @@ struct pstore_record {
  *
  * @buf_lock:  spinlock to serialize access to @buf
  * @buf:       preallocated crash dump buffer
- * @bufsize:   size of @buf available for crash dump writes
+ * @bufsize:   size of @buf available for crash dump bytes (must match
+ *             smallest number of bytes available for writing to a
+ *             backend entry, since compressed bytes don't take kindly
+ *             to being truncated)
  *
  * @read_mutex:        serializes @open, @read, @close, and @erase callbacks
  * @flags:     bitfield of frontends the backend can accept writes for