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authorMatthew Wilcox (Oracle) <willy@infradead.org>2024-04-16 06:17:50 +0300
committerAndrew Morton <akpm@linux-foundation.org>2024-05-06 03:53:40 +0300
commitb73a936f99914e23fbe236f75ecf257923cb06e7 (patch)
tree54b303e9fe186a73e995fd538038202d0787003b /include/linux/buffer_head.h
parent66924fdaf835f5fc6fe78d92a79afcca7d4db7ec (diff)
downloadlinux-b73a936f99914e23fbe236f75ecf257923cb06e7.tar.xz
buffer: add kernel-doc for bforget() and __bforget()
Distinguish these functions from brelse() and __brelse(). Link: https://lkml.kernel.org/r/20240416031754.4076917-7-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Tested-by: Randy Dunlap <rdunlap@infradead.org> Cc: Pankaj Raghav <p.raghav@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/linux/buffer_head.h')
-rw-r--r--include/linux/buffer_head.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h
index c145817c6ca0..a1c0bdd0cca6 100644
--- a/include/linux/buffer_head.h
+++ b/include/linux/buffer_head.h
@@ -325,6 +325,16 @@ static inline void brelse(struct buffer_head *bh)
__brelse(bh);
}
+/**
+ * bforget - Discard any dirty data in a buffer.
+ * @bh: The buffer to forget.
+ *
+ * Call this function instead of brelse() if the data written to a buffer
+ * no longer needs to be written back. It will clear the buffer's dirty
+ * flag so writeback of this buffer will be skipped.
+ *
+ * Context: Any context.
+ */
static inline void bforget(struct buffer_head *bh)
{
if (bh)