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| author | Filipe Manana <fdmanana@suse.com> | 2023-07-26 16:56:58 +0100 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2023-08-21 14:52:17 +0200 |
| commit | 19288951ffa8c67c9f40d2eed72ebc53071227c0 (patch) | |
| tree | e93034b4470ed449ed8947f9a52e4291fd7ea7ac /fs/btrfs/transaction.c | |
| parent | 4490e803e1fe9fab8db5025e44e23b55df54078b (diff) | |
| download | lwn-19288951ffa8c67c9f40d2eed72ebc53071227c0.tar.gz lwn-19288951ffa8c67c9f40d2eed72ebc53071227c0.zip | |
btrfs: update comment for btrfs_join_transaction_nostart()
Update the comment for btrfs_join_transaction_nostart() to be more clear
about how it works and how it's different from btrfs_attach_transaction().
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/transaction.c')
| -rw-r--r-- | fs/btrfs/transaction.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 6a2a12593183..ab09542f2170 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -799,7 +799,10 @@ struct btrfs_trans_handle *btrfs_join_transaction_spacecache(struct btrfs_root * /* * Similar to regular join but it never starts a transaction when none is - * running or after waiting for the current one to finish. + * running or when there's a running one at a state >= TRANS_STATE_UNBLOCKED. + * This is similar to btrfs_attach_transaction() but it allows the join to + * happen if the transaction commit already started but it's not yet in the + * "doing" phase (the state is < TRANS_STATE_COMMIT_DOING). */ struct btrfs_trans_handle *btrfs_join_transaction_nostart(struct btrfs_root *root) { |