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authorKent Overstreet <kent.overstreet@linux.dev>2024-01-03 21:21:45 +0100
committerKent Overstreet <kent.overstreet@linux.dev>2024-01-06 05:24:20 +0100
commit49a5192c0e9cc1deac5130a82127b1e79db3fe20 (patch)
tree53b8c2876360c98ad29a0500200a8a546838103d /fs/bcachefs/opts.h
parentbcachefs: kill useless return ret (diff)
downloadlinux-49a5192c0e9cc1deac5130a82127b1e79db3fe20.tar.xz
linux-49a5192c0e9cc1deac5130a82127b1e79db3fe20.zip
bcachefs: Add an option to control btree node prefetching
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to '')
-rw-r--r--fs/bcachefs/opts.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/bcachefs/opts.h b/fs/bcachefs/opts.h
index a6f5185ecd67..93a24fef4214 100644
--- a/fs/bcachefs/opts.h
+++ b/fs/bcachefs/opts.h
@@ -458,7 +458,13 @@ enum fsck_err_opts {
OPT_UINT(0, BCH_REPLICAS_MAX), \
BCH2_NO_SB_OPT, 1, \
"n", "Data written to this device will be considered\n"\
- "to have already been replicated n times")
+ "to have already been replicated n times") \
+ x(btree_node_prefetch, u8, \
+ OPT_FS|OPT_MOUNT|OPT_RUNTIME, \
+ OPT_BOOL(), \
+ BCH2_NO_SB_OPT, true, \
+ NULL, "BTREE_ITER_PREFETCH casuse btree nodes to be\n"\
+ " prefetched sequentially")
struct bch_opts {
#define x(_name, _bits, ...) unsigned _name##_defined:1;