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-rw-r--r--fs/netfs/buffered_read.c12
-rw-r--r--fs/netfs/buffered_write.c18
-rw-r--r--fs/netfs/direct_write.c5
-rw-r--r--fs/netfs/fscache_cache.c3
-rw-r--r--fs/netfs/io.c4
-rw-r--r--fs/netfs/misc.c2
6 files changed, 27 insertions, 17 deletions
diff --git a/fs/netfs/buffered_read.c b/fs/netfs/buffered_read.c
index a59e7b2edaac..3298c29b5548 100644
--- a/fs/netfs/buffered_read.c
+++ b/fs/netfs/buffered_read.c
@@ -101,7 +101,7 @@ void netfs_rreq_unlock_folios(struct netfs_io_request *rreq)
}
if (!test_bit(NETFS_RREQ_DONT_UNLOCK_FOLIOS, &rreq->flags)) {
- if (folio_index(folio) == rreq->no_unlock_folio &&
+ if (folio->index == rreq->no_unlock_folio &&
test_bit(NETFS_RREQ_NO_UNLOCK_FOLIO, &rreq->flags))
_debug("no unlock");
else
@@ -246,13 +246,13 @@ EXPORT_SYMBOL(netfs_readahead);
*/
int netfs_read_folio(struct file *file, struct folio *folio)
{
- struct address_space *mapping = folio_file_mapping(folio);
+ struct address_space *mapping = folio->mapping;
struct netfs_io_request *rreq;
struct netfs_inode *ctx = netfs_inode(mapping->host);
struct folio *sink = NULL;
int ret;
- _enter("%lx", folio_index(folio));
+ _enter("%lx", folio->index);
rreq = netfs_alloc_request(mapping, file,
folio_file_pos(folio), folio_size(folio),
@@ -460,7 +460,7 @@ retry:
ret = PTR_ERR(rreq);
goto error;
}
- rreq->no_unlock_folio = folio_index(folio);
+ rreq->no_unlock_folio = folio->index;
__set_bit(NETFS_RREQ_NO_UNLOCK_FOLIO, &rreq->flags);
ret = netfs_begin_cache_read(rreq, ctx);
@@ -518,7 +518,7 @@ int netfs_prefetch_for_write(struct file *file, struct folio *folio,
size_t offset, size_t len)
{
struct netfs_io_request *rreq;
- struct address_space *mapping = folio_file_mapping(folio);
+ struct address_space *mapping = folio->mapping;
struct netfs_inode *ctx = netfs_inode(mapping->host);
unsigned long long start = folio_pos(folio);
size_t flen = folio_size(folio);
@@ -535,7 +535,7 @@ int netfs_prefetch_for_write(struct file *file, struct folio *folio,
goto error;
}
- rreq->no_unlock_folio = folio_index(folio);
+ rreq->no_unlock_folio = folio->index;
__set_bit(NETFS_RREQ_NO_UNLOCK_FOLIO, &rreq->flags);
ret = netfs_begin_cache_read(rreq, ctx);
if (ret == -ENOMEM || ret == -EINTR || ret == -ERESTARTSYS)
diff --git a/fs/netfs/buffered_write.c b/fs/netfs/buffered_write.c
index 93dc76f34e39..9a0d32e4b422 100644
--- a/fs/netfs/buffered_write.c
+++ b/fs/netfs/buffered_write.c
@@ -221,10 +221,11 @@ ssize_t netfs_perform_write(struct kiocb *iocb, struct iov_iter *iter,
if (unlikely(fault_in_iov_iter_readable(iter, part) == part))
break;
- ret = -ENOMEM;
folio = netfs_grab_folio_for_write(mapping, pos, part);
- if (!folio)
+ if (IS_ERR(folio)) {
+ ret = PTR_ERR(folio);
break;
+ }
flen = folio_size(folio);
offset = pos & (flen - 1);
@@ -343,7 +344,7 @@ ssize_t netfs_perform_write(struct kiocb *iocb, struct iov_iter *iter,
break;
default:
WARN(true, "Unexpected modify type %u ix=%lx\n",
- howto, folio_index(folio));
+ howto, folio->index);
ret = -EIO;
goto error_folio_unlock;
}
@@ -476,6 +477,9 @@ ssize_t netfs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
_enter("%llx,%zx,%llx", iocb->ki_pos, iov_iter_count(from), i_size_read(inode));
+ if (!iov_iter_count(from))
+ return 0;
+
if ((iocb->ki_flags & IOCB_DIRECT) ||
test_bit(NETFS_ICTX_UNBUFFERED, &ictx->flags))
return netfs_unbuffered_write_iter(iocb, from);
@@ -648,7 +652,7 @@ static void netfs_pages_written_back(struct netfs_io_request *wreq)
xas_for_each(&xas, folio, last) {
WARN(!folio_test_writeback(folio),
"bad %zx @%llx page %lx %lx\n",
- wreq->len, wreq->start, folio_index(folio), last);
+ wreq->len, wreq->start, folio->index, last);
if ((finfo = netfs_folio_info(folio))) {
/* Streaming writes cannot be redirtied whilst under
@@ -795,7 +799,7 @@ static void netfs_extend_writeback(struct address_space *mapping,
continue;
if (xa_is_value(folio))
break;
- if (folio_index(folio) != index) {
+ if (folio->index != index) {
xas_reset(xas);
break;
}
@@ -901,7 +905,7 @@ static ssize_t netfs_write_back_from_locked_folio(struct address_space *mapping,
long count = wbc->nr_to_write;
int ret;
- _enter(",%lx,%llx-%llx,%u", folio_index(folio), start, end, caching);
+ _enter(",%lx,%llx-%llx,%u", folio->index, start, end, caching);
wreq = netfs_alloc_request(mapping, NULL, start, folio_size(folio),
NETFS_WRITEBACK);
@@ -1047,7 +1051,7 @@ search_again:
start = folio_pos(folio); /* May regress with THPs */
- _debug("wback %lx", folio_index(folio));
+ _debug("wback %lx", folio->index);
/* At this point we hold neither the i_pages lock nor the page lock:
* the page may be truncated or invalidated (changing page->mapping to
diff --git a/fs/netfs/direct_write.c b/fs/netfs/direct_write.c
index 60a40d293c87..bee047e20f5d 100644
--- a/fs/netfs/direct_write.c
+++ b/fs/netfs/direct_write.c
@@ -139,6 +139,9 @@ ssize_t netfs_unbuffered_write_iter(struct kiocb *iocb, struct iov_iter *from)
_enter("%llx,%zx,%llx", iocb->ki_pos, iov_iter_count(from), i_size_read(inode));
+ if (!iov_iter_count(from))
+ return 0;
+
trace_netfs_write_iter(iocb, from);
netfs_stat(&netfs_n_rh_dio_write);
@@ -146,7 +149,7 @@ ssize_t netfs_unbuffered_write_iter(struct kiocb *iocb, struct iov_iter *from)
if (ret < 0)
return ret;
ret = generic_write_checks(iocb, from);
- if (ret < 0)
+ if (ret <= 0)
goto out;
ret = file_remove_privs(file);
if (ret < 0)
diff --git a/fs/netfs/fscache_cache.c b/fs/netfs/fscache_cache.c
index d645f8b302a2..9397ed39b0b4 100644
--- a/fs/netfs/fscache_cache.c
+++ b/fs/netfs/fscache_cache.c
@@ -179,13 +179,14 @@ EXPORT_SYMBOL(fscache_acquire_cache);
void fscache_put_cache(struct fscache_cache *cache,
enum fscache_cache_trace where)
{
- unsigned int debug_id = cache->debug_id;
+ unsigned int debug_id;
bool zero;
int ref;
if (IS_ERR_OR_NULL(cache))
return;
+ debug_id = cache->debug_id;
zero = __refcount_dec_and_test(&cache->ref, &ref);
trace_fscache_cache(debug_id, ref - 1, where);
diff --git a/fs/netfs/io.c b/fs/netfs/io.c
index 4309edf33862..4261ad6c55b6 100644
--- a/fs/netfs/io.c
+++ b/fs/netfs/io.c
@@ -124,7 +124,7 @@ static void netfs_rreq_unmark_after_write(struct netfs_io_request *rreq,
/* We might have multiple writes from the same huge
* folio, but we mustn't unlock a folio more than once.
*/
- if (have_unlocked && folio_index(folio) <= unlocked)
+ if (have_unlocked && folio->index <= unlocked)
continue;
unlocked = folio_next_index(folio) - 1;
trace_netfs_folio(folio, netfs_folio_trace_end_copy);
@@ -748,6 +748,8 @@ int netfs_begin_read(struct netfs_io_request *rreq, bool sync)
if (!rreq->submitted) {
netfs_put_request(rreq, false, netfs_rreq_trace_put_no_submit);
+ if (rreq->origin == NETFS_DIO_READ)
+ inode_dio_end(rreq->inode);
ret = 0;
goto out;
}
diff --git a/fs/netfs/misc.c b/fs/netfs/misc.c
index 0e3af37fc924..90051ced8e2a 100644
--- a/fs/netfs/misc.c
+++ b/fs/netfs/misc.c
@@ -180,7 +180,7 @@ void netfs_invalidate_folio(struct folio *folio, size_t offset, size_t length)
struct netfs_folio *finfo = NULL;
size_t flen = folio_size(folio);
- _enter("{%lx},%zx,%zx", folio_index(folio), offset, length);
+ _enter("{%lx},%zx,%zx", folio->index, offset, length);
folio_wait_fscache(folio);
generated by cgit (git 2.34.1) at 2025-04-04 15:24:14 +0000