* netfs.c (netfs_attempt_sync): Sync every directory associated with the supplied node. (netfs_attempt_syncfs): Send file_syncfs to every directory maintained by unionfs. ---
Hello, On Sun, Nov 22, 2009 at 09:08:33PM +0100, olafbuddenha...@gmx.net wrote: > On Thu, Nov 19, 2009 at 11:18:45AM +0200, Sergiu Ivanov wrote: > > > + assert (err == 0); > > Another thing you forgot to change in the second loop... Yeah, sorry :-( Changed. Regards, scolobb --- netfs.c | 81 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-- 1 files changed, 78 insertions(+), 3 deletions(-) diff --git a/netfs.c b/netfs.c index 89d1bf6..9d24f06 100644 --- a/netfs.c +++ b/netfs.c @@ -1,5 +1,6 @@ /* Hurd unionfs - Copyright (C) 2001, 2002, 2003, 2005 Free Software Foundation, Inc. + Copyright (C) 2001, 2002, 2003, 2005, 2009 Free Software Foundation, Inc. + Written by Moritz Schulte <mor...@duesseldorf.ccc.de>. This program is free software; you can redistribute it and/or @@ -282,7 +283,45 @@ error_t netfs_attempt_sync (struct iouser *cred, struct node *np, int wait) { - return EOPNOTSUPP; + /* The error we are going to report back (last failure wins). */ + error_t final_err = 0; + + /* The information about the currently analyzed filesystem. */ + ulfs_t * ulfs; + + /* The index of the currently analyzed filesystem. */ + int i; + + mutex_lock (&ulfs_lock); + + /* Sync every directory associated with `np`. + + TODO: Rewrite this after having modified ulfs.c and node.c to + store the paths and ports to the underlying directories in one + place, because now iterating over both lists looks ugly. */ + i = 0; + node_ulfs_iterate_unlocked (np) + { + error_t err; + + /* Get the information about the current filesystem. */ + err = ulfs_get_num (i, &ulfs); + assert (!err); + + /* Since `np` may not necessarily be present in every underlying + directory, having a null port is perfectly valid. */ + if (node_ulfs->port != MACH_PORT_NULL) + { + err = file_sync (node_ulfs->port, wait, 0); + if (err) + final_err = err; + } + + ++i; + } + + mutex_unlock (&ulfs_lock); + return final_err; } /* This should sync the entire remote filesystem. If WAIT is set, @@ -290,7 +329,43 @@ netfs_attempt_sync (struct iouser *cred, struct node *np, error_t netfs_attempt_syncfs (struct iouser *cred, int wait) { - return 0; + /* The error we are going to report back (last failure wins). */ + error_t final_err = 0; + + /* The information about the currently analyzed filesystem. */ + ulfs_t * ulfs; + + /* The index of the currently analyzed filesystem. */ + int i; + + mutex_lock (&ulfs_lock); + + /* Sync every unioned directory maintained by unionfs. + + TODO: Rewrite this after having modified ulfs.c and node.c to + store the paths and ports to the underlying directories in one + place, because now iterating over both lists looks ugly. */ + i = 0; + node_ulfs_iterate_unlocked (netfs_root_node) + { + error_t err; + + /* Get the information about the current filesystem. */ + err = ulfs_get_num (i, &ulfs); + assert (!err); + + /* Note that, unlike the situation in netfs_attempt_sync, having a + null port on the unionfs root node is abnormal. */ + assert (node_ulfs->port != MACH_PORT_NULL); + err = file_syncfs (node_ulfs->port, wait, 0); + if (err) + final_err = err; + + ++i; + } + + mutex_unlock (&ulfs_lock); + return final_err; } /* lookup */ -- 1.6.5.3