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orangefs: don't continue on to gpf if client dies on write.
 	If the orangefs userspace client died while writeback
 	was occurring it led to a gpf. This patch allows
 	the kernel to finish the writeback.
 	Reported by Farhad Alemi.
 
 orangefs:don't wait on service operation on system shutdown.
 	This patch avoids waiting an already dead userspace to
 	process an unmount operation if the system is shutdown
 	while orangefs filesystems are still mounted.
 
 orangefs: use ssize_t instead of size_t for error codes...
 	This patch fixes a situation where an unsigned variable was being
 	used to collect a string size, or possibly a negative error code.
 	Reported by lkp@intel.com
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Merge tag 'for-linus-7.4-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux

Pull orangefs updates from Mike Marshall:

 - Don't continue on to gpf if client dies on write.

   If the orangefs userspace client died while writeback was
   occurring it led to a gpf. This allows the kernel to finish
   the writeback. Reported by Farhad Alemi.

 - Don't wait on service operation on system shutdown

   This avoids waiting an already dead userspace to process an
   unmount operation if the system is shutdown while orangefs
   filesystems are still mounted.

 - Use ssize_t instead of size_t for error codes...

   This fixes a situation where an unsigned variable was being
   used to collect a string size, or possibly a negative error
   code. Reported by lkp@intel.com

* tag 'for-linus-7.4-ofs1' of git://git.kernel.org/pub/scm/linux/kernel/git/hubcap/linux:
  orangefs: don't continue on to gpf if client dies on write.
  orangefs_super: don't wait on service operation on system shutdown.
  orangefs: use ssize_t instead of size_t for error codes...
This commit is contained in:
Linus Torvalds 2026-10-25 15:07:49 -10:00
commit 9206d6c40b
1 changed files with 20 additions and 1 deletions
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21
fs/orangefs/inode.c
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@ -181,8 +181,27 @@ static int orangefs_writepages(struct address_space *mapping,
{
struct orangefs_writepages *ow;
struct blk_plug plug;
int error;
int error = 0;
struct folio *folio = NULL;
int maxpages;
maxpages = orangefs_bufmap_size_query() / PAGE_SIZE;
if (maxpages < 1) {
/*
* Probably the client is dead and there's no bufmap.
* Walk writeback_iter anyway so each dirty folio is unlocked
* and writeback is ended. wait_for_direct_io will fail; the
* data is not written.
*/
gossip_err("%s: maxpages < 1. \n", __func__);
while ((folio = writeback_iter(mapping, wbc, folio, &error))) {
error = orangefs_writepage_locked(folio, wbc);
mapping_set_error(mapping, error);
folio_unlock(folio);
folio_end_writeback(folio);
}
return error;
}
ow = kzalloc_obj(struct orangefs_writepages);
if (!ow)