diff options
| -rw-r--r-- | fs/netfs/buffered_read.c | 24 | ||||
| -rw-r--r-- | include/linux/netfs.h | 1 |
2 files changed, 12 insertions, 13 deletions
diff --git a/fs/netfs/buffered_read.c b/fs/netfs/buffered_read.c index 0d1b6d35ff3b..5f53634a3862 100644 --- a/fs/netfs/buffered_read.c +++ b/fs/netfs/buffered_read.c @@ -78,7 +78,8 @@ static int netfs_begin_cache_read(struct netfs_io_request *rreq, struct netfs_in * [!] NOTE: This must be run in the same thread as ->issue_read() was called * in as we access the readahead_control struct. */ -static ssize_t netfs_prepare_read_iterator(struct netfs_io_subrequest *subreq) +static ssize_t netfs_prepare_read_iterator(struct netfs_io_subrequest *subreq, + struct readahead_control *ractl) { struct netfs_io_request *rreq = subreq->rreq; size_t rsize = subreq->len; @@ -86,7 +87,7 @@ static ssize_t netfs_prepare_read_iterator(struct netfs_io_subrequest *subreq) if (subreq->source == NETFS_DOWNLOAD_FROM_SERVER) rsize = umin(rsize, rreq->io_streams[0].sreq_max_len); - if (rreq->ractl) { + if (ractl) { /* If we don't have sufficient folios in the rolling buffer, * extract a folioq's worth from the readahead region at a time * into the buffer. Note that this acquires a ref on each page @@ -99,7 +100,7 @@ static ssize_t netfs_prepare_read_iterator(struct netfs_io_subrequest *subreq) while (rreq->submitted < subreq->start + rsize) { ssize_t added; - added = rolling_buffer_load_from_ra(&rreq->buffer, rreq->ractl, + added = rolling_buffer_load_from_ra(&rreq->buffer, ractl, &put_batch); if (added < 0) return added; @@ -211,7 +212,8 @@ static void netfs_issue_read(struct netfs_io_request *rreq, * slicing up the region to be read according to available cache blocks and * network rsize. */ -static void netfs_read_to_pagecache(struct netfs_io_request *rreq) +static void netfs_read_to_pagecache(struct netfs_io_request *rreq, + struct readahead_control *ractl) { struct netfs_inode *ictx = netfs_inode(rreq->inode); unsigned long long start = rreq->start; @@ -291,7 +293,7 @@ static void netfs_read_to_pagecache(struct netfs_io_request *rreq) break; issue: - slice = netfs_prepare_read_iterator(subreq); + slice = netfs_prepare_read_iterator(subreq, ractl); if (slice < 0) { ret = slice; subreq->error = ret; @@ -359,11 +361,10 @@ void netfs_readahead(struct readahead_control *ractl) netfs_rreq_expand(rreq, ractl); - rreq->ractl = ractl; rreq->submitted = rreq->start; if (rolling_buffer_init(&rreq->buffer, rreq->debug_id, ITER_DEST) < 0) goto cleanup_free; - netfs_read_to_pagecache(rreq); + netfs_read_to_pagecache(rreq, ractl); netfs_put_request(rreq, true, netfs_rreq_trace_put_return); return; @@ -389,7 +390,6 @@ static int netfs_create_singular_buffer(struct netfs_io_request *rreq, struct fo if (added < 0) return added; rreq->submitted = rreq->start + added; - rreq->ractl = (struct readahead_control *)1UL; return 0; } @@ -459,7 +459,7 @@ static int netfs_read_gaps(struct file *file, struct folio *folio) iov_iter_bvec(&rreq->buffer.iter, ITER_DEST, bvec, i, rreq->len); rreq->submitted = rreq->start + flen; - netfs_read_to_pagecache(rreq); + netfs_read_to_pagecache(rreq, NULL); if (sink) folio_put(sink); @@ -528,7 +528,7 @@ int netfs_read_folio(struct file *file, struct folio *folio) if (ret < 0) goto discard; - netfs_read_to_pagecache(rreq); + netfs_read_to_pagecache(rreq, NULL); ret = netfs_wait_for_read(rreq); netfs_put_request(rreq, false, netfs_rreq_trace_put_return); return ret < 0 ? ret : 0; @@ -685,7 +685,7 @@ retry: if (ret < 0) goto error_put; - netfs_read_to_pagecache(rreq); + netfs_read_to_pagecache(rreq, NULL); ret = netfs_wait_for_read(rreq); if (ret < 0) goto error; @@ -750,7 +750,7 @@ int netfs_prefetch_for_write(struct file *file, struct folio *folio, if (ret < 0) goto error_put; - netfs_read_to_pagecache(rreq); + netfs_read_to_pagecache(rreq, NULL); ret = netfs_wait_for_read(rreq); netfs_put_request(rreq, false, netfs_rreq_trace_put_return); return ret < 0 ? ret : 0; diff --git a/include/linux/netfs.h b/include/linux/netfs.h index 33f145f7f2c2..2b127527544e 100644 --- a/include/linux/netfs.h +++ b/include/linux/netfs.h @@ -228,7 +228,6 @@ struct netfs_io_request { struct kiocb *iocb; /* AIO completion vector */ struct netfs_cache_resources cache_resources; struct netfs_io_request *copy_to_cache; /* Request to write just-read data to the cache */ - struct readahead_control *ractl; /* Readahead descriptor */ struct list_head proc_link; /* Link in netfs_iorequests */ struct netfs_io_stream io_streams[2]; /* Streams of parallel I/O operations */ #define NR_IO_STREAMS 2 //wreq->nr_io_streams |