From: Christoph Hellwig <hch@lst.de>
To: Brian Foster <bfoster@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>, linux-xfs@vger.kernel.org
Subject: Re: [PATCH 06/14] xfs: remove prev argument to xfs_bmapi_reserve_delalloc
Date: Fri, 18 Nov 2016 09:19:44 +0100 [thread overview]
Message-ID: <20161118081944.GB28286@lst.de> (raw)
In-Reply-To: <20161117182707.GH49658@bfoster.bfoster>
On Thu, Nov 17, 2016 at 01:27:07PM -0500, Brian Foster wrote:
> It just hit me that extnum_t is signed and xfs_iext_get_extent() checks
> for < 0, so that covers here and my similar previous few comments. I
> still think we should probably check it in context rather than bury the
> check in the caller (I'd prefer an assert). Just my .02.
There are several callers that rely on xfs_iext_get_extent handling
negative extents with a NULL return - in fact one reason for the
exact prototype of the function is to cover out of bound indices
that happen during normal operation based on how we iterate over
the extent list.
next prev parent reply other threads:[~2016-11-18 8:19 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-14 17:12 new helpers to clean up extent tree lookups Christoph Hellwig
2016-11-14 17:12 ` [PATCH 01/14] xfs: new inode extent list lookup helpers Christoph Hellwig
2016-11-17 18:11 ` Brian Foster
2016-11-14 17:12 ` [PATCH 02/14] xfs: cleanup xfs_bmap_last_before Christoph Hellwig
2016-11-17 18:11 ` Brian Foster
2016-11-18 8:16 ` Christoph Hellwig
2016-11-14 17:12 ` [PATCH 03/14] xfs: use new extent lookup helpers in xfs_bmapi_read Christoph Hellwig
2016-11-17 18:11 ` Brian Foster
2016-11-14 17:12 ` [PATCH 04/14] xfs: use new extent lookup helpers in xfs_bmapi_write Christoph Hellwig
2016-11-17 18:12 ` Brian Foster
2016-11-14 17:12 ` [PATCH 05/14] xfs: use new extent lookup helpers in __xfs_bunmapi Christoph Hellwig
2016-11-17 18:12 ` Brian Foster
2016-11-14 17:12 ` [PATCH 06/14] xfs: remove prev argument to xfs_bmapi_reserve_delalloc Christoph Hellwig
2016-11-17 18:27 ` Brian Foster
2016-11-18 8:19 ` Christoph Hellwig [this message]
2016-11-18 13:19 ` Brian Foster
2016-11-14 17:12 ` [PATCH 07/14] xfs: use new extent lookup helpers xfs_file_iomap_begin_delay Christoph Hellwig
2016-11-17 18:33 ` Brian Foster
2016-11-18 8:20 ` Christoph Hellwig
2016-11-18 13:20 ` Brian Foster
2016-11-14 17:12 ` [PATCH 08/14] xfs: use new extent lookup helpers in __xfs_reflink_reserve_cow Christoph Hellwig
2016-11-17 19:07 ` Brian Foster
2016-11-14 17:12 ` [PATCH 09/14] xfs: cleanup xfs_reflink_find_cow_mapping Christoph Hellwig
2016-11-17 19:07 ` Brian Foster
2016-11-14 17:12 ` [PATCH 10/14] xfs: use new extent lookup helpers in xfs_reflink_trim_irec_to_next_cow Christoph Hellwig
2016-11-17 19:07 ` Brian Foster
2016-11-14 17:12 ` [PATCH 11/14] xfs: use new extent lookup helpers in xfs_reflink_cancel_cow_blocks Christoph Hellwig
2016-11-17 19:07 ` Brian Foster
2016-11-14 17:12 ` [PATCH 12/14] xfs: use new extent lookup helpers in xfs_reflink_end_cow Christoph Hellwig
2016-11-17 19:07 ` Brian Foster
2016-11-14 17:12 ` [PATCH 13/14] xfs: remove xfs_bmap_search_extents Christoph Hellwig
2016-11-17 19:12 ` Brian Foster
2016-11-14 17:12 ` [PATCH 14/14] xfs: remove NULLEXTNUM Christoph Hellwig
2016-11-17 19:12 ` Brian Foster
2016-11-19 0:21 ` new helpers to clean up extent tree lookups Eric Sandeen
2016-11-21 17:17 ` Christoph Hellwig
-- strict thread matches above, loose matches on Subject: below --
2016-11-21 16:38 new helpers to clean up extent tree lookups V2 Christoph Hellwig
2016-11-21 16:38 ` [PATCH 06/14] xfs: remove prev argument to xfs_bmapi_reserve_delalloc Christoph Hellwig
2016-11-21 17:19 ` Brian Foster
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