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authorKent Overstreet <kent.overstreet@linux.dev>2023-11-02 21:06:52 -0400
committerKent Overstreet <kent.overstreet@linux.dev>2024-01-01 11:47:41 -0500
commitb05c0e9370bec71c62df690250f451e58e8ed2a4 (patch)
treee6362bd4fdb2397dbf028de19272b7d7edb0f6a3 /fs/bcachefs/journal_io.c
parent0ba9375a111a88e47733b679f6affb7f6492de4c (diff)
bcachefs: journal->buf_lock
Add a new lock for synchronizing between journal IO path and btree write buffer flush. Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/journal_io.c')
-rw-r--r--fs/bcachefs/journal_io.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/bcachefs/journal_io.c b/fs/bcachefs/journal_io.c
index f2e038116b0f..afcb2a435956 100644
--- a/fs/bcachefs/journal_io.c
+++ b/fs/bcachefs/journal_io.c
@@ -1885,9 +1885,11 @@ CLOSURE_CALLBACK(bch2_journal_write)
if (ret)
goto err;
+ mutex_lock(&j->buf_lock);
journal_buf_realloc(j, w);
ret = bch2_journal_write_prep(j, w);
+ mutex_unlock(&j->buf_lock);
if (ret)
goto err;