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[XFS] Warn if errors come from block_truncate_page(). 

block_truncate_page() can return errors that we currently ignore and
silently discard. We should not ever get errors reported here - an error
indicates a bug somewhere else. Hence catch the error and issue a stack
dump to the syslog because we cannot propagate the error any further up
the call chain.

SGI-PV: 980084
SGI-Modid: xfs-linux-melb:xfs-kern:30800a

Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Niv Sardi <xaiki@sgi.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
This commit is contained in:
David Chinner 2008-04-10 12:21:46 +10:00 committed by Lachlan McIlroy
parent c2b1cba683
commit d87dd6360d
1 changed files with 9 additions and 1 deletions
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10
fs/xfs/linux-2.6/xfs_iops.c
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@ -692,11 +692,19 @@ xfs_vn_setattr(
return -error;
}
/*
* block_truncate_page can return an error, but we can't propagate it
* at all here. Leave a complaint + stack trace in the syslog because
* this could be bad. If it is bad, we need to propagate the error further.
*/
STATIC void
xfs_vn_truncate(
struct inode *inode)
{
block_truncate_page(inode->i_mapping, inode->i_size, xfs_get_blocks);
int error;
error = block_truncate_page(inode->i_mapping, inode->i_size,
xfs_get_blocks);
WARN_ON(error);
}
STATIC int