From: akpm@osdl.org Subject: + ext4-balloc-fix-off-by-one-against-rsv_end.patch added to -mm tree Date: Wed, 29 Nov 2006 14:17:04 -0800 Message-ID: <200611292217.kATMH4Gc013198@shell0.pdx.osdl.net> Cc: hugh@veritas.com, cmm@us.ibm.com, linux-ext4@vger.kernel.org Return-path: Received: from smtp.osdl.org ([65.172.181.25]:62915 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S1758861AbWK2WRY (ORCPT ); Wed, 29 Nov 2006 17:17:24 -0500 To: mm-commits@vger.kernel.org Sender: linux-ext4-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org The patch titled ext4 balloc: fix off-by-one against rsv_end has been added to the -mm tree. Its filename is ext4-balloc-fix-off-by-one-against-rsv_end.patch See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find out what to do about this ------------------------------------------------------ Subject: ext4 balloc: fix off-by-one against rsv_end From: Hugh Dickins rsv_end is the last block within the reservation, so alloc_new_reservation should accept start_block == rsv_end as success. Signed-off-by: Mingming Cao Signed-off-by: Hugh Dickins Cc: Signed-off-by: Andrew Morton --- fs/ext4/balloc.c | 2 +- 1 files changed, 1 insertion(+), 1 deletion(-) diff -puN fs/ext4/balloc.c~ext4-balloc-fix-off-by-one-against-rsv_end fs/ext4/balloc.c --- a/fs/ext4/balloc.c~ext4-balloc-fix-off-by-one-against-rsv_end +++ a/fs/ext4/balloc.c @@ -1165,7 +1165,7 @@ retry: * check if the first free block is within the * free space we just reserved */ - if (start_block >= my_rsv->rsv_start && start_block < my_rsv->rsv_end) + if (start_block >= my_rsv->rsv_start && start_block <= my_rsv->rsv_end) return 0; /* success */ /* * if the first free bit we found is out of the reservable space _ Patches currently in -mm which might be from hugh@veritas.com are git-powerpc.patch __unmap_hugepage_range-add-comment.patch shared-page-table-for-hugetlb-page-v4.patch htlb-forget-rss-with-pt-sharing.patch mlock-cleanup.patch always-print-out-the-header-line-in-proc-swaps.patch reject-corrupt-swapfiles-earlier.patch kill-install_file_ptes-pte_val.patch honour-mnt_noexec-for-access.patch ext3-fix-reservation-extension.patch ext4-fix-reservation-extension.patch ext4-balloc-reset-windowsz-when-full.patch ext4-balloc-fix-off-by-one-against-grp_goal.patch ext4-balloc-fix-off-by-one-against-rsv_end.patch ext4-balloc-say-rb_entry-not-list_entry.patch ext4-balloc-use-io_error-label.patch ext4-balloc-fix-_with_rsv-freeze.patch ext3-balloc-reset-windowsz-when-full.patch ext3-balloc-fix-off-by-one-against-grp_goal.patch ext3-balloc-fix-off-by-one-against-rsv_end.patch ext3-balloc-say-rb_entry-not-list_entry.patch ext3-balloc-use-io_error-label.patch ext3-balloc-fix-_with_rsv-freeze.patch ext2-reservations.patch ext2-balloc-fix-_with_rsv-freeze.patch ext2-balloc-reset-windowsz-when-full.patch ext2-balloc-fix-off-by-one-against-rsv_end.patch ext2-balloc-fix-off-by-one-against-grp_goal.patch ext2-balloc-say-rb_entry-not-list_entry.patch ext2-balloc-use-io_error-label.patch generic-bug-implementation.patch generic-bug-implementation-handle-bug=n.patch generic-bug-for-i386.patch generic-bug-for-x86-64.patch bug-test-1.patch tty-switch-to-ktermios-powerpc-fix.patch