diff options
Diffstat (limited to 'fs/netfs/internal.h')
| -rw-r--r-- | fs/netfs/internal.h | 76 |
1 files changed, 68 insertions, 8 deletions
diff --git a/fs/netfs/internal.h b/fs/netfs/internal.h index 21e46bc9aa49..c9f0ed24cb7b 100644 --- a/fs/netfs/internal.h +++ b/fs/netfs/internal.h @@ -7,6 +7,7 @@ #include <linux/slab.h> #include <linux/seq_file.h> +#include <linux/folio_queue.h> #include <linux/netfs.h> #include <linux/fscache.h> #include <linux/fscache-cache.h> @@ -22,18 +23,13 @@ /* * buffered_read.c */ -void netfs_rreq_unlock_folios(struct netfs_io_request *rreq); int netfs_prefetch_for_write(struct file *file, struct folio *folio, size_t offset, size_t len); /* - * io.c - */ -int netfs_begin_read(struct netfs_io_request *rreq, bool sync); - -/* * main.c */ +extern unsigned int netfs_debug; extern struct list_head netfs_io_requests; extern spinlock_t netfs_proc_lock; extern mempool_t netfs_request_pool; @@ -62,6 +58,11 @@ static inline void netfs_proc_del_rreq(struct netfs_io_request *rreq) {} /* * misc.c */ +int netfs_buffer_append_folio(struct netfs_io_request *rreq, struct folio *folio, + bool needs_put); +struct folio_queue *netfs_delete_buffer_head(struct netfs_io_request *wreq); +void netfs_clear_buffer(struct netfs_io_request *rreq); +void netfs_reset_iter(struct netfs_io_subrequest *subreq); /* * objects.c @@ -83,6 +84,28 @@ static inline void netfs_see_request(struct netfs_io_request *rreq, } /* + * read_collect.c + */ +void netfs_read_termination_worker(struct work_struct *work); +void netfs_rreq_terminated(struct netfs_io_request *rreq, bool was_async); + +/* + * read_pgpriv2.c + */ +void netfs_pgpriv2_mark_copy_to_cache(struct netfs_io_subrequest *subreq, + struct netfs_io_request *rreq, + struct folio_queue *folioq, + int slot); +void netfs_pgpriv2_write_to_the_cache(struct netfs_io_request *rreq); +bool netfs_pgpriv2_unlock_copied_folios(struct netfs_io_request *wreq); + +/* + * read_retry.c + */ +void netfs_retry_reads(struct netfs_io_request *rreq); +void netfs_unlock_abandoned_read_pages(struct netfs_io_request *rreq); + +/* * stats.c */ #ifdef CONFIG_NETFS_STATS @@ -109,6 +132,7 @@ extern atomic_t netfs_n_wh_buffered_write; extern atomic_t netfs_n_wh_writethrough; extern atomic_t netfs_n_wh_dio_write; extern atomic_t netfs_n_wh_writepages; +extern atomic_t netfs_n_wh_copy_to_cache; extern atomic_t netfs_n_wh_wstream_conflict; extern atomic_t netfs_n_wh_upload; extern atomic_t netfs_n_wh_upload_done; @@ -116,6 +140,9 @@ extern atomic_t netfs_n_wh_upload_failed; extern atomic_t netfs_n_wh_write; extern atomic_t netfs_n_wh_write_done; extern atomic_t netfs_n_wh_write_failed; +extern atomic_t netfs_n_wb_lock_skip; +extern atomic_t netfs_n_wb_lock_wait; +extern atomic_t netfs_n_folioq; int netfs_stats_show(struct seq_file *m, void *v); @@ -149,7 +176,10 @@ struct netfs_io_request *netfs_create_write_req(struct address_space *mapping, loff_t start, enum netfs_io_origin origin); void netfs_reissue_write(struct netfs_io_stream *stream, - struct netfs_io_subrequest *subreq); + struct netfs_io_subrequest *subreq, + struct iov_iter *source); +void netfs_issue_write(struct netfs_io_request *wreq, + struct netfs_io_stream *stream); int netfs_advance_write(struct netfs_io_request *wreq, struct netfs_io_stream *stream, loff_t start, size_t len, bool to_eof); @@ -353,12 +383,42 @@ void fscache_create_volume(struct fscache_volume *volume, bool wait); * debug tracing */ #define dbgprintk(FMT, ...) \ - pr_debug("[%-6.6s] "FMT"\n", current->comm, ##__VA_ARGS__) + printk("[%-6.6s] "FMT"\n", current->comm, ##__VA_ARGS__) #define kenter(FMT, ...) dbgprintk("==> %s("FMT")", __func__, ##__VA_ARGS__) #define kleave(FMT, ...) dbgprintk("<== %s()"FMT"", __func__, ##__VA_ARGS__) #define kdebug(FMT, ...) dbgprintk(FMT, ##__VA_ARGS__) +#ifdef __KDEBUG +#define _enter(FMT, ...) kenter(FMT, ##__VA_ARGS__) +#define _leave(FMT, ...) kleave(FMT, ##__VA_ARGS__) +#define _debug(FMT, ...) kdebug(FMT, ##__VA_ARGS__) + +#elif defined(CONFIG_NETFS_DEBUG) +#define _enter(FMT, ...) \ +do { \ + if (netfs_debug) \ + kenter(FMT, ##__VA_ARGS__); \ +} while (0) + +#define _leave(FMT, ...) \ +do { \ + if (netfs_debug) \ + kleave(FMT, ##__VA_ARGS__); \ +} while (0) + +#define _debug(FMT, ...) \ +do { \ + if (netfs_debug) \ + kdebug(FMT, ##__VA_ARGS__); \ +} while (0) + +#else +#define _enter(FMT, ...) no_printk("==> %s("FMT")", __func__, ##__VA_ARGS__) +#define _leave(FMT, ...) no_printk("<== %s()"FMT"", __func__, ##__VA_ARGS__) +#define _debug(FMT, ...) no_printk(FMT, ##__VA_ARGS__) +#endif + /* * assertions */ |