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commit 2ce5406504540399ed78306198802fc4e1824de7 Author: Justus Winter <[email protected]> Date: Sat Dec 7 15:57:17 2013 +0100 trans: improve the performance of dir_lookup in fakeroot Previously any FS_RETRY_NORMAL requests were handed back to the client. Redo the lookup ourself instead. This saves us the burden to create a fake node for the intermediate step, hand it back to the client and handle another request from the client. With this change there is no need to fiddle with the permission bits as it was previously done. * trans/fakeroot.c (netfs_S_dir_lookup): Redo the lookup transparently for the user if FS_RETRY_NORMAL is requested. fixup_improve_perf --- trans/fakeroot.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/trans/fakeroot.c b/trans/fakeroot.c index 1ab3216..6e3b5d4 100644 --- a/trans/fakeroot.c +++ b/trans/fakeroot.c @@ -267,6 +267,14 @@ netfs_S_dir_lookup (struct protid *diruser, goto redo_lookup; case FS_RETRY_NORMAL: + if (retry_name[0] != '\0') + { + dir = file; + filename = retry_name; + goto redo_lookup; + } + break; + case FS_RETRY_MAGICAL: default: if (file == MACH_PORT_NULL) @@ -305,10 +313,6 @@ netfs_S_dir_lookup (struct protid *diruser, /* We already know about this node. */ mach_port_deallocate (mach_task_self (), idport); pthread_mutex_lock (&np->lock); - if (retry_name[0] != '\0') - /* This was not the last component, remove O_WRITE to - avoid opening directories with it. */ - flags &= ~O_WRITE; err = check_openmodes (np->nn, (flags & (O_RDWR|O_EXEC)), file); if (!err) netfs_nref (np); -- Alioth's /usr/local/bin/git-commit-notice on /srv/git.debian.org/git/pkg-hurd/hurd.git
