github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-30 01:53:29 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

netfs: Defer the emission of trace_netfs_folio()

Browse Source 
Change netfs_perform_write() to keep the netfs_folio trace value in a
variable and emit it later to make it easier to choose the value displayed.
This is a prerequisite for a subsequent patch.

Closes: https://sashiko.dev/#/patchset/20260414082004.3756080-1-dhowells%40redhat.com
Signed-off-by: David Howells <dhowells@redhat.com>
Link: https://patch.msgid.link/20260512123404.719402-13-dhowells@redhat.com
cc: Paulo Alcantara <pc@manguebit.org>
cc: Matthew Wilcox <willy@infradead.org>
cc: netfs@lists.linux.dev
cc: linux-fsdevel@vger.kernel.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
David Howells 2026-05-12 13:33:49 +01:00 committed by Christian Brauner
parent 156ac2ec2e
commit daeb443b92
No known key found for this signature in database
GPG Key ID: 91C61BC06578DCA2
1 changed files with 10 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
fs/netfs/buffered_write.c
View File

@ -149,6 +149,7 @@ ssize_t netfs_perform_write(struct kiocb *iocb, struct iov_iter *iter,
}
do {
enum netfs_folio_trace trace;
struct netfs_folio *finfo;
struct netfs_group *group;
unsigned long long fpos;
@ -222,7 +223,7 @@ ssize_t netfs_perform_write(struct kiocb *iocb, struct iov_iter *iter,
if (unlikely(copied == 0))
goto copy_failed;
netfs_set_group(folio, netfs_group);
trace_netfs_folio(folio, netfs_folio_is_uptodate);
trace = netfs_folio_is_uptodate;
goto copied;
}
@ -238,7 +239,7 @@ ssize_t netfs_perform_write(struct kiocb *iocb, struct iov_iter *iter,
folio_zero_segment(folio, offset + copied, flen);
__netfs_set_group(folio, netfs_group);
folio_mark_uptodate(folio);
trace_netfs_folio(folio, netfs_modify_and_clear);
trace = netfs_modify_and_clear;
goto copied;
}
@ -256,7 +257,7 @@ ssize_t netfs_perform_write(struct kiocb *iocb, struct iov_iter *iter,
}
__netfs_set_group(folio, netfs_group);
folio_mark_uptodate(folio);
trace_netfs_folio(folio, netfs_whole_folio_modify);
trace = netfs_whole_folio_modify;
goto copied;
}
@ -283,7 +284,7 @@ ssize_t netfs_perform_write(struct kiocb *iocb, struct iov_iter *iter,
if (unlikely(copied == 0))
goto copy_failed;
netfs_set_group(folio, netfs_group);
trace_netfs_folio(folio, netfs_just_prefetch);
trace = netfs_just_prefetch;
goto copied;
}
@ -297,7 +298,7 @@ ssize_t netfs_perform_write(struct kiocb *iocb, struct iov_iter *iter,
if (offset == 0 && copied == flen) {
__netfs_set_group(folio, netfs_group);
folio_mark_uptodate(folio);
trace_netfs_folio(folio, netfs_streaming_filled_page);
trace = netfs_streaming_filled_page;
goto copied;
}
@ -312,7 +313,7 @@ ssize_t netfs_perform_write(struct kiocb *iocb, struct iov_iter *iter,
finfo->dirty_len = copied;
folio_attach_private(folio, (void *)((unsigned long)finfo |
NETFS_FOLIO_INFO));
trace_netfs_folio(folio, netfs_streaming_write);
trace = netfs_streaming_write;
goto copied;
}
@ -332,9 +333,9 @@ ssize_t netfs_perform_write(struct kiocb *iocb, struct iov_iter *iter,
folio_detach_private(folio);
folio_mark_uptodate(folio);
kfree(finfo);
trace_netfs_folio(folio, netfs_streaming_cont_filled_page);
trace = netfs_streaming_cont_filled_page;
} else {
trace_netfs_folio(folio, netfs_streaming_write_cont);
trace = netfs_streaming_write_cont;
}
goto copied;
}
@ -350,6 +351,7 @@ ssize_t netfs_perform_write(struct kiocb *iocb, struct iov_iter *iter,
continue;
copied:
trace_netfs_folio(folio, trace);
flush_dcache_folio(folio);
/* Update the inode size if we moved the EOF marker */