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233eebb xfs: correctly decrement the extent buffer index in xfs_bmap_del_extent
87bef18 xfs: check for valid indices in xfs_iext_get_ext and xfs_iext_idx_to_irec
ab1908a xfs: fix up asserts in xfs_iflush_fork
f1c63b7 xfs: do not do pointer arithmetic on extent records
00239ac xfs: do not use unchecked extent indices in xfs_bunmapi
5690f92 xfs: do not use unchecked extent indices in xfs_bmapi
2f2b322 xfs: do not use unchecked extent indices in xfs_bmap_add_extent_*
ec90c55 xfs: remove if_lastex
5489327 xfs: remove the unused XFS_BMAPI_RSVBLOCKS flag
from 55a7bc5a30ff2d30d8a34fea2af9fc601b32e61a (commit)
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commit 233eebb9a96f956c541c0c9094fd321894bd93a7
Author: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Wed May 11 15:04:05 2011 +0000
xfs: correctly decrement the extent buffer index in xfs_bmap_del_extent
The code in xfs_bmap_del_extent does not correctly decrement the
extent buffer index when deleting a whole extent. Most of the time
this gets caught by checks in xfs_bmapi that work around it and
decrement it manually and thus wasn't noticed so far.
Based on an earlier patch from Lachlan McIlroy.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Lachlan McIlroy <lmcilroy@xxxxxxxxxx>
Signed-off-by: Alex Elder <aelder@xxxxxxx>
commit 87bef1812d337beadfb1099e7361fd41264eb88e
Author: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Wed May 11 15:04:11 2011 +0000
xfs: check for valid indices in xfs_iext_get_ext and xfs_iext_idx_to_irec
Based on an earlier patch from Lachlan McIlroy.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Lachlan McIlroy <lmcilroy@xxxxxxxxxx>
Signed-off-by: Alex Elder <aelder@xxxxxxx>
commit ab1908a5bb21a8eebf16e5d92d087fd9413cf67d
Author: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Wed May 11 15:04:10 2011 +0000
xfs: fix up asserts in xfs_iflush_fork
Remove asserts in xfs_iflush_fork that would call xfs_iext_get_ext
with a potentially invalid extent buffer index.
Based on an earlier patch from Lachlan McIlroy.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Lachlan McIlroy <lmcilroy@xxxxxxxxxx>
Signed-off-by: Alex Elder <aelder@xxxxxxx>
commit f1c63b73cf60dc4800cde5ce7fd9466c419e5e36
Author: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Wed May 11 15:04:09 2011 +0000
xfs: do not do pointer arithmetic on extent records
We need to call xfs_iext_get_ext for the previous extent to get a
valid pointer, and can't just do pointer arithmetics as they might
be in different pages.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Lachlan McIlroy <lmcilroy@xxxxxxxxxx>
Signed-off-by: Alex Elder <aelder@xxxxxxx>
commit 00239acf36d3bba8e7c0609e6c473d6e408a2135
Author: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Wed May 11 15:04:08 2011 +0000
xfs: do not use unchecked extent indices in xfs_bunmapi
Make sure to only call xfs_iext_get_ext after we've validate the
extent index when moving on to the next index in xfs_bunmapi. Also
remove the old workaround for too large indices that has been
superceeded by the proper fix in xfs_bmap_del_extent.
Based on an earlier patch from Lachlan McIlroy.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Lachlan McIlroy <lmcilroy@xxxxxxxxxx>
Signed-off-by: Alex Elder <aelder@xxxxxxx>
commit 5690f92199956c0f2a2d9f718b5031e1300a1de1
Author: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Wed May 11 15:04:07 2011 +0000
xfs: do not use unchecked extent indices in xfs_bmapi
Make sure to only call xfs_iext_get_ext after we've validate the
extent index when moving on to the next index in xfs_bmapi.
Based on an earlier patch from Lachlan McIlroy.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Lachlan McIlroy <lmcilroy@xxxxxxxxxx>
Signed-off-by: Alex Elder <aelder@xxxxxxx>
commit 2f2b3220b0566692da14e06ea5fc0d697a78dc7c
Author: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Wed May 11 15:04:06 2011 +0000
xfs: do not use unchecked extent indices in xfs_bmap_add_extent_*
Make sure to only call xfs_iext_get_ext after we've validate the
extent index in the various xfs_bmap_add_extent_* helpers.
Based on an earlier patch from Lachlan McIlroy.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Lachlan McIlroy <lmcilroy@xxxxxxxxxx>
Signed-off-by: Alex Elder <aelder@xxxxxxx>
commit ec90c5563413ba6d29607397c54958d49c3461a3
Author: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon May 23 08:52:53 2011 +0000
xfs: remove if_lastex
The if_lastex field in struct xfs_ifork is only used as a temporary
index during xfs_bmapi and xfs_bunmapi. Instead of using the inode
fork to store it keep it local in the callchain. Fortunately this
is very easy as we already pass a stack copy of it down the whole
chain which can simplify be changed to be passed by reference.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Alex Elder <aelder@xxxxxxx>
commit 548932739b16e623601f6d7dfb31a1fe28cda050
Author: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Wed May 11 15:04:03 2011 +0000
xfs: remove the unused XFS_BMAPI_RSVBLOCKS flag
The XFS_BMAPI_RSVBLOCKS is unused, and as far as I can see has
always been. Remove it to simplify the bmapi implementation and
conserve stack space.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Alex Elder <aelder@xxxxxxx>
-----------------------------------------------------------------------
Summary of changes:
fs/xfs/xfs_bmap.c | 549 ++++++++++++++++++++++++----------------------------
fs/xfs/xfs_bmap.h | 2 -
fs/xfs/xfs_inode.c | 15 +-
fs/xfs/xfs_inode.h | 1 -
4 files changed, 261 insertions(+), 306 deletions(-)
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