diff options
| author | David Howells <[email protected]> | 2024-03-18 17:15:57 +0000 |
|---|---|---|
| committer | David Howells <[email protected]> | 2024-04-29 15:01:43 +0100 |
| commit | 93bf1cc0096fa1e02244078db3334ca7fa1d88c1 (patch) | |
| tree | 04f622dbcd718b02836646d53de1f5e8afd3fd4e | |
| parent | ae678317b95e760607c7b20b97c9cd4ca9ed6e1a (diff) | |
netfs: Make netfs_io_request::subreq_counter an atomic_t
Make the netfs_io_request::subreq_counter, used to generate values for
netfs_io_subrequest::debug_index, into an atomic_t so that it can be called
from the retry thread at the same time as the app thread issuing writes.
Signed-off-by: David Howells <[email protected]>
Reviewed-by: Jeff Layton <[email protected]>
cc: [email protected]
cc: [email protected]
| -rw-r--r-- | fs/netfs/output.c | 2 | ||||
| -rw-r--r-- | include/linux/netfs.h | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/fs/netfs/output.c b/fs/netfs/output.c index 625eb68f3e5a..fbdbb4f78234 100644 --- a/fs/netfs/output.c +++ b/fs/netfs/output.c @@ -37,7 +37,7 @@ struct netfs_io_subrequest *netfs_create_write_request(struct netfs_io_request * subreq->source = dest; subreq->start = start; subreq->len = len; - subreq->debug_index = wreq->subreq_counter++; + subreq->debug_index = atomic_inc_return(&wreq->subreq_counter); switch (subreq->source) { case NETFS_UPLOAD_TO_SERVER: diff --git a/include/linux/netfs.h b/include/linux/netfs.h index f36a6d8163d1..ddafc6ebff42 100644 --- a/include/linux/netfs.h +++ b/include/linux/netfs.h @@ -202,7 +202,7 @@ struct netfs_io_request { unsigned int debug_id; unsigned int rsize; /* Maximum read size (0 for none) */ unsigned int wsize; /* Maximum write size (0 for none) */ - unsigned int subreq_counter; /* Next subreq->debug_index */ + atomic_t subreq_counter; /* Next subreq->debug_index */ atomic_t nr_outstanding; /* Number of ops in progress */ atomic_t nr_copy_ops; /* Number of copy-to-cache ops in progress */ size_t submitted; /* Amount submitted for I/O so far */ |