diff options
| author | Kent Overstreet <kent.overstreet@linux.dev> | 2023-09-29 01:15:33 -0400 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-10-22 17:10:16 -0400 |
| commit | 37fad9497f5d37d89ed06faa64d580d1451be664 (patch) | |
| tree | d6d54fcf01befddf0534ca915a3bfb60383e1a38 /fs/bcachefs/bcachefs.h | |
| parent | 1e2d399970ca1d66fa1c715f4d80a0251f2a122e (diff) | |
| download | lwn-37fad9497f5d37d89ed06faa64d580d1451be664.tar.gz lwn-37fad9497f5d37d89ed06faa64d580d1451be664.zip | |
bcachefs: snapshot_create_lock
Add a new lock for snapshot creation - this addresses a few races with
logged operations and snapshot deletion.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Diffstat (limited to 'fs/bcachefs/bcachefs.h')
| -rw-r--r-- | fs/bcachefs/bcachefs.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/bcachefs/bcachefs.h b/fs/bcachefs/bcachefs.h index e9d07f9fa1c0..53ffa88cae16 100644 --- a/fs/bcachefs/bcachefs.h +++ b/fs/bcachefs/bcachefs.h @@ -746,6 +746,7 @@ struct bch_fs { struct snapshot_table __rcu *snapshots; size_t snapshot_table_size; struct mutex snapshot_table_lock; + struct rw_semaphore snapshot_create_lock; struct work_struct snapshot_delete_work; struct work_struct snapshot_wait_for_pagecache_and_delete_work; |