Messages in this thread | | | Date | Sat, 10 Jul 2021 15:46:42 +0800 | From | kernel test robot <> | Subject | [linux-stable-rc:linux-5.4.y 2906/4278] fs/xfs/xfs_rtalloc.c:892:1: warning: stack frame size (1056) exceeds limit (1024) in function 'xfs_growfs_rt' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.4.y head: f52a40401ee9825556cc803c110c67bfec5f6b94 commit: b2844ba3d37cba994fc9e591e7bed17c7a0408d7 [2906/4278] xfs: fix realtime bitmap/summary file truncation when growing rt volume config: mips-buildonly-randconfig-r002-20210709 (attached as .config) compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 8d69635ed9ecf36fd0ca85906bfde17949671cbe) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install mips cross compiling tool for clang build # apt-get install binutils-mips-linux-gnu # https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git/commit/?id=b2844ba3d37cba994fc9e591e7bed17c7a0408d7 git remote add linux-stable-rc https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git git fetch --no-tags linux-stable-rc linux-5.4.y git checkout b2844ba3d37cba994fc9e591e7bed17c7a0408d7 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=mips
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> fs/xfs/xfs_rtalloc.c:892:1: warning: stack frame size (1056) exceeds limit (1024) in function 'xfs_growfs_rt' [-Wframe-larger-than] xfs_growfs_rt( ^ 1 warning generated.
vim +/xfs_growfs_rt +892 fs/xfs/xfs_rtalloc.c
65eed012d1f2d0 Omar Sandoval 2018-12-21 883 ^1da177e4c3f41 Linus Torvalds 2005-04-16 884 /* ^1da177e4c3f41 Linus Torvalds 2005-04-16 885 * Visible (exported) functions. ^1da177e4c3f41 Linus Torvalds 2005-04-16 886 */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 887 ^1da177e4c3f41 Linus Torvalds 2005-04-16 888 /* ^1da177e4c3f41 Linus Torvalds 2005-04-16 889 * Grow the realtime area of the filesystem. ^1da177e4c3f41 Linus Torvalds 2005-04-16 890 */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 891 int ^1da177e4c3f41 Linus Torvalds 2005-04-16 @892 xfs_growfs_rt( ^1da177e4c3f41 Linus Torvalds 2005-04-16 893 xfs_mount_t *mp, /* mount point for filesystem */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 894 xfs_growfs_rt_t *in) /* growfs rt input struct */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 895 { ^1da177e4c3f41 Linus Torvalds 2005-04-16 896 xfs_rtblock_t bmbno; /* bitmap block number */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 897 xfs_buf_t *bp; /* temporary buffer */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 898 int error; /* error return value */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 899 xfs_mount_t *nmp; /* new (fake) mount structure */ d5cf09baced0ef Christoph Hellwig 2014-07-30 900 xfs_rfsblock_t nrblocks; /* new number of realtime blocks */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 901 xfs_extlen_t nrbmblocks; /* new number of rt bitmap blocks */ d5cf09baced0ef Christoph Hellwig 2014-07-30 902 xfs_rtblock_t nrextents; /* new number of realtime extents */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 903 uint8_t nrextslog; /* new log2 of sb_rextents */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 904 xfs_extlen_t nrsumblocks; /* new number of summary blocks */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 905 uint nrsumlevels; /* new rt summary levels */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 906 uint nrsumsize; /* new size of rt summary, bytes */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 907 xfs_sb_t *nsbp; /* new superblock */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 908 xfs_extlen_t rbmblocks; /* current number of rt bitmap blocks */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 909 xfs_extlen_t rsumblocks; /* current number of rt summary blks */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 910 xfs_sb_t *sbp; /* old superblock */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 911 xfs_fsblock_t sumbno; /* summary block number */ 65eed012d1f2d0 Omar Sandoval 2018-12-21 912 uint8_t *rsum_cache; /* old summary cache */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 913 ^1da177e4c3f41 Linus Torvalds 2005-04-16 914 sbp = &mp->m_sb; ^1da177e4c3f41 Linus Torvalds 2005-04-16 915 /* ^1da177e4c3f41 Linus Torvalds 2005-04-16 916 * Initial error checking. ^1da177e4c3f41 Linus Torvalds 2005-04-16 917 */ 743bb4650da9e2 sandeen@sandeen.net 2008-11-25 918 if (!capable(CAP_SYS_ADMIN)) 2451337dd04390 Dave Chinner 2014-06-25 919 return -EPERM; 73024cf11522c0 Eric Sesterhenn 2006-06-28 920 if (mp->m_rtdev_targp == NULL || mp->m_rbmip == NULL || ^1da177e4c3f41 Linus Torvalds 2005-04-16 921 (nrblocks = in->newblocks) <= sbp->sb_rblocks || ^1da177e4c3f41 Linus Torvalds 2005-04-16 922 (sbp->sb_rblocks && (in->extsize != sbp->sb_rextsize))) 2451337dd04390 Dave Chinner 2014-06-25 923 return -EINVAL; 4cc929ee305c69 Nathan Scott 2007-05-14 924 if ((error = xfs_sb_validate_fsb_count(sbp, nrblocks))) 4cc929ee305c69 Nathan Scott 2007-05-14 925 return error; ^1da177e4c3f41 Linus Torvalds 2005-04-16 926 /* ^1da177e4c3f41 Linus Torvalds 2005-04-16 927 * Read in the last block of the device, make sure it exists. ^1da177e4c3f41 Linus Torvalds 2005-04-16 928 */ ba3726742c1712 Dave Chinner 2014-10-02 929 error = xfs_buf_read_uncached(mp->m_rtdev_targp, 4cc929ee305c69 Nathan Scott 2007-05-14 930 XFS_FSB_TO_BB(mp, nrblocks - 1), ba3726742c1712 Dave Chinner 2014-10-02 931 XFS_FSB_TO_BB(mp, 1), 0, &bp, NULL); ba3726742c1712 Dave Chinner 2014-10-02 932 if (error) eab4e63368b4cf Dave Chinner 2012-11-12 933 return error; ^1da177e4c3f41 Linus Torvalds 2005-04-16 934 xfs_buf_relse(bp); 1922c949c59f93 Dave Chinner 2010-09-22 935 ^1da177e4c3f41 Linus Torvalds 2005-04-16 936 /* ^1da177e4c3f41 Linus Torvalds 2005-04-16 937 * Calculate new parameters. These are the final values to be reached. ^1da177e4c3f41 Linus Torvalds 2005-04-16 938 */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 939 nrextents = nrblocks; ^1da177e4c3f41 Linus Torvalds 2005-04-16 940 do_div(nrextents, in->extsize); 68c3271515f11f Nathan Scott 2006-09-28 941 nrbmblocks = howmany_64(nrextents, NBBY * sbp->sb_blocksize); ^1da177e4c3f41 Linus Torvalds 2005-04-16 942 nrextslog = xfs_highbit32(nrextents); ^1da177e4c3f41 Linus Torvalds 2005-04-16 943 nrsumlevels = nrextslog + 1; ^1da177e4c3f41 Linus Torvalds 2005-04-16 944 nrsumsize = (uint)sizeof(xfs_suminfo_t) * nrsumlevels * nrbmblocks; ^1da177e4c3f41 Linus Torvalds 2005-04-16 945 nrsumblocks = XFS_B_TO_FSB(mp, nrsumsize); ^1da177e4c3f41 Linus Torvalds 2005-04-16 946 nrsumsize = XFS_FSB_TO_B(mp, nrsumblocks); ^1da177e4c3f41 Linus Torvalds 2005-04-16 947 /* ^1da177e4c3f41 Linus Torvalds 2005-04-16 948 * New summary size can't be more than half the size of ^1da177e4c3f41 Linus Torvalds 2005-04-16 949 * the log. This prevents us from getting a log overflow, ^1da177e4c3f41 Linus Torvalds 2005-04-16 950 * since we'll log basically the whole summary file at once. ^1da177e4c3f41 Linus Torvalds 2005-04-16 951 */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 952 if (nrsumblocks > (mp->m_sb.sb_logblocks >> 1)) 2451337dd04390 Dave Chinner 2014-06-25 953 return -EINVAL; ^1da177e4c3f41 Linus Torvalds 2005-04-16 954 /* ^1da177e4c3f41 Linus Torvalds 2005-04-16 955 * Get the old block counts for bitmap and summary inodes. ^1da177e4c3f41 Linus Torvalds 2005-04-16 956 * These can't change since other growfs callers are locked out. ^1da177e4c3f41 Linus Torvalds 2005-04-16 957 */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 958 rbmblocks = XFS_B_TO_FSB(mp, mp->m_rbmip->i_d.di_size); ^1da177e4c3f41 Linus Torvalds 2005-04-16 959 rsumblocks = XFS_B_TO_FSB(mp, mp->m_rsumip->i_d.di_size); ^1da177e4c3f41 Linus Torvalds 2005-04-16 960 /* ^1da177e4c3f41 Linus Torvalds 2005-04-16 961 * Allocate space to the bitmap and summary files, as necessary. ^1da177e4c3f41 Linus Torvalds 2005-04-16 962 */ 1050c71e2925ab Christoph Hellwig 2011-02-13 963 error = xfs_growfs_rt_alloc(mp, rbmblocks, nrbmblocks, mp->m_rbmip); 1050c71e2925ab Christoph Hellwig 2011-02-13 964 if (error) ^1da177e4c3f41 Linus Torvalds 2005-04-16 965 return error; 1050c71e2925ab Christoph Hellwig 2011-02-13 966 error = xfs_growfs_rt_alloc(mp, rsumblocks, nrsumblocks, mp->m_rsumip); 1050c71e2925ab Christoph Hellwig 2011-02-13 967 if (error) ^1da177e4c3f41 Linus Torvalds 2005-04-16 968 return error; 65eed012d1f2d0 Omar Sandoval 2018-12-21 969 65eed012d1f2d0 Omar Sandoval 2018-12-21 970 rsum_cache = mp->m_rsum_cache; 65eed012d1f2d0 Omar Sandoval 2018-12-21 971 if (nrbmblocks != sbp->sb_rbmblocks) 65eed012d1f2d0 Omar Sandoval 2018-12-21 972 xfs_alloc_rsum_cache(mp, nrbmblocks); 65eed012d1f2d0 Omar Sandoval 2018-12-21 973 d432c80e68e3c2 Nathan Scott 2006-09-28 974 /* d432c80e68e3c2 Nathan Scott 2006-09-28 975 * Allocate a new (fake) mount/sb. d432c80e68e3c2 Nathan Scott 2006-09-28 976 */ 707e0ddaf67e89 Tetsuo Handa 2019-08-26 977 nmp = kmem_alloc(sizeof(*nmp), 0); ^1da177e4c3f41 Linus Torvalds 2005-04-16 978 /* ^1da177e4c3f41 Linus Torvalds 2005-04-16 979 * Loop over the bitmap blocks. ^1da177e4c3f41 Linus Torvalds 2005-04-16 980 * We will do everything one bitmap block at a time. ^1da177e4c3f41 Linus Torvalds 2005-04-16 981 * Skip the current block if it is exactly full. ^1da177e4c3f41 Linus Torvalds 2005-04-16 982 * This also deals with the case where there were no rtextents before. ^1da177e4c3f41 Linus Torvalds 2005-04-16 983 */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 984 for (bmbno = sbp->sb_rbmblocks - ^1da177e4c3f41 Linus Torvalds 2005-04-16 985 ((sbp->sb_rextents & ((1 << mp->m_blkbit_log) - 1)) != 0); ^1da177e4c3f41 Linus Torvalds 2005-04-16 986 bmbno < nrbmblocks; ^1da177e4c3f41 Linus Torvalds 2005-04-16 987 bmbno++) { 0924b585fc49bf Dave Chinner 2008-11-28 988 xfs_trans_t *tp; 0924b585fc49bf Dave Chinner 2008-11-28 989 ^1da177e4c3f41 Linus Torvalds 2005-04-16 990 *nmp = *mp; ^1da177e4c3f41 Linus Torvalds 2005-04-16 991 nsbp = &nmp->m_sb; ^1da177e4c3f41 Linus Torvalds 2005-04-16 992 /* ^1da177e4c3f41 Linus Torvalds 2005-04-16 993 * Calculate new sb and mount fields for this round. ^1da177e4c3f41 Linus Torvalds 2005-04-16 994 */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 995 nsbp->sb_rextsize = in->extsize; ^1da177e4c3f41 Linus Torvalds 2005-04-16 996 nsbp->sb_rbmblocks = bmbno + 1; ^1da177e4c3f41 Linus Torvalds 2005-04-16 997 nsbp->sb_rblocks = ^1da177e4c3f41 Linus Torvalds 2005-04-16 998 XFS_RTMIN(nrblocks, ^1da177e4c3f41 Linus Torvalds 2005-04-16 999 nsbp->sb_rbmblocks * NBBY * ^1da177e4c3f41 Linus Torvalds 2005-04-16 1000 nsbp->sb_blocksize * nsbp->sb_rextsize); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1001 nsbp->sb_rextents = nsbp->sb_rblocks; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1002 do_div(nsbp->sb_rextents, nsbp->sb_rextsize); 79071eb0b2f142 David Chinner 2008-08-13 1003 ASSERT(nsbp->sb_rextents != 0); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1004 nsbp->sb_rextslog = xfs_highbit32(nsbp->sb_rextents); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1005 nrsumlevels = nmp->m_rsumlevels = nsbp->sb_rextslog + 1; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1006 nrsumsize = ^1da177e4c3f41 Linus Torvalds 2005-04-16 1007 (uint)sizeof(xfs_suminfo_t) * nrsumlevels * ^1da177e4c3f41 Linus Torvalds 2005-04-16 1008 nsbp->sb_rbmblocks; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1009 nrsumblocks = XFS_B_TO_FSB(mp, nrsumsize); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1010 nmp->m_rsumsize = nrsumsize = XFS_FSB_TO_B(mp, nrsumblocks); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1011 /* ^1da177e4c3f41 Linus Torvalds 2005-04-16 1012 * Start a transaction, get the log reservation. ^1da177e4c3f41 Linus Torvalds 2005-04-16 1013 */ 253f4911f297b8 Christoph Hellwig 2016-04-06 1014 error = xfs_trans_alloc(mp, &M_RES(mp)->tr_growrtfree, 0, 0, 0, 253f4911f297b8 Christoph Hellwig 2016-04-06 1015 &tp); 3d3c8b5222b924 Jie Liu 2013-08-12 1016 if (error) 253f4911f297b8 Christoph Hellwig 2016-04-06 1017 break; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1018 /* ^1da177e4c3f41 Linus Torvalds 2005-04-16 1019 * Lock out other callers by grabbing the bitmap inode lock. ^1da177e4c3f41 Linus Torvalds 2005-04-16 1020 */ 1050c71e2925ab Christoph Hellwig 2011-02-13 1021 xfs_ilock(mp->m_rbmip, XFS_ILOCK_EXCL); ddc3415aba1cb2 Christoph Hellwig 2011-09-19 1022 xfs_trans_ijoin(tp, mp->m_rbmip, XFS_ILOCK_EXCL); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1023 /* b2844ba3d37cba Darrick J. Wong 2020-10-07 1024 * Update the bitmap inode's size ondisk and incore. We need b2844ba3d37cba Darrick J. Wong 2020-10-07 1025 * to update the incore size so that inode inactivation won't b2844ba3d37cba Darrick J. Wong 2020-10-07 1026 * punch what it thinks are "posteof" blocks. ^1da177e4c3f41 Linus Torvalds 2005-04-16 1027 */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 1028 mp->m_rbmip->i_d.di_size = ^1da177e4c3f41 Linus Torvalds 2005-04-16 1029 nsbp->sb_rbmblocks * nsbp->sb_blocksize; b2844ba3d37cba Darrick J. Wong 2020-10-07 1030 i_size_write(VFS_I(mp->m_rbmip), mp->m_rbmip->i_d.di_size); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1031 xfs_trans_log_inode(tp, mp->m_rbmip, XFS_ILOG_CORE); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1032 /* ^1da177e4c3f41 Linus Torvalds 2005-04-16 1033 * Get the summary inode into the transaction. ^1da177e4c3f41 Linus Torvalds 2005-04-16 1034 */ 1050c71e2925ab Christoph Hellwig 2011-02-13 1035 xfs_ilock(mp->m_rsumip, XFS_ILOCK_EXCL); ddc3415aba1cb2 Christoph Hellwig 2011-09-19 1036 xfs_trans_ijoin(tp, mp->m_rsumip, XFS_ILOCK_EXCL); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1037 /* b2844ba3d37cba Darrick J. Wong 2020-10-07 1038 * Update the summary inode's size. We need to update the b2844ba3d37cba Darrick J. Wong 2020-10-07 1039 * incore size so that inode inactivation won't punch what it b2844ba3d37cba Darrick J. Wong 2020-10-07 1040 * thinks are "posteof" blocks. ^1da177e4c3f41 Linus Torvalds 2005-04-16 1041 */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 1042 mp->m_rsumip->i_d.di_size = nmp->m_rsumsize; b2844ba3d37cba Darrick J. Wong 2020-10-07 1043 i_size_write(VFS_I(mp->m_rsumip), mp->m_rsumip->i_d.di_size); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1044 xfs_trans_log_inode(tp, mp->m_rsumip, XFS_ILOG_CORE); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1045 /* ^1da177e4c3f41 Linus Torvalds 2005-04-16 1046 * Copy summary data from old to new sizes. ^1da177e4c3f41 Linus Torvalds 2005-04-16 1047 * Do this when the real size (not block-aligned) changes. ^1da177e4c3f41 Linus Torvalds 2005-04-16 1048 */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 1049 if (sbp->sb_rbmblocks != nsbp->sb_rbmblocks || ^1da177e4c3f41 Linus Torvalds 2005-04-16 1050 mp->m_rsumlevels != nmp->m_rsumlevels) { ^1da177e4c3f41 Linus Torvalds 2005-04-16 1051 error = xfs_rtcopy_summary(mp, nmp, tp); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1052 if (error) 0924b585fc49bf Dave Chinner 2008-11-28 1053 goto error_cancel; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1054 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 1055 /* ^1da177e4c3f41 Linus Torvalds 2005-04-16 1056 * Update superblock fields. ^1da177e4c3f41 Linus Torvalds 2005-04-16 1057 */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 1058 if (nsbp->sb_rextsize != sbp->sb_rextsize) ^1da177e4c3f41 Linus Torvalds 2005-04-16 1059 xfs_trans_mod_sb(tp, XFS_TRANS_SB_REXTSIZE, ^1da177e4c3f41 Linus Torvalds 2005-04-16 1060 nsbp->sb_rextsize - sbp->sb_rextsize); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1061 if (nsbp->sb_rbmblocks != sbp->sb_rbmblocks) ^1da177e4c3f41 Linus Torvalds 2005-04-16 1062 xfs_trans_mod_sb(tp, XFS_TRANS_SB_RBMBLOCKS, ^1da177e4c3f41 Linus Torvalds 2005-04-16 1063 nsbp->sb_rbmblocks - sbp->sb_rbmblocks); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1064 if (nsbp->sb_rblocks != sbp->sb_rblocks) ^1da177e4c3f41 Linus Torvalds 2005-04-16 1065 xfs_trans_mod_sb(tp, XFS_TRANS_SB_RBLOCKS, ^1da177e4c3f41 Linus Torvalds 2005-04-16 1066 nsbp->sb_rblocks - sbp->sb_rblocks); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1067 if (nsbp->sb_rextents != sbp->sb_rextents) ^1da177e4c3f41 Linus Torvalds 2005-04-16 1068 xfs_trans_mod_sb(tp, XFS_TRANS_SB_REXTENTS, ^1da177e4c3f41 Linus Torvalds 2005-04-16 1069 nsbp->sb_rextents - sbp->sb_rextents); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1070 if (nsbp->sb_rextslog != sbp->sb_rextslog) ^1da177e4c3f41 Linus Torvalds 2005-04-16 1071 xfs_trans_mod_sb(tp, XFS_TRANS_SB_REXTSLOG, ^1da177e4c3f41 Linus Torvalds 2005-04-16 1072 nsbp->sb_rextslog - sbp->sb_rextslog); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1073 /* ^1da177e4c3f41 Linus Torvalds 2005-04-16 1074 * Free new extent. ^1da177e4c3f41 Linus Torvalds 2005-04-16 1075 */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 1076 bp = NULL; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1077 error = xfs_rtfree_range(nmp, tp, sbp->sb_rextents, ^1da177e4c3f41 Linus Torvalds 2005-04-16 1078 nsbp->sb_rextents - sbp->sb_rextents, &bp, &sumbno); 0924b585fc49bf Dave Chinner 2008-11-28 1079 if (error) { 0924b585fc49bf Dave Chinner 2008-11-28 1080 error_cancel: 4906e21545814e Christoph Hellwig 2015-06-04 1081 xfs_trans_cancel(tp); d432c80e68e3c2 Nathan Scott 2006-09-28 1082 break; 0924b585fc49bf Dave Chinner 2008-11-28 1083 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 1084 /* ^1da177e4c3f41 Linus Torvalds 2005-04-16 1085 * Mark more blocks free in the superblock. ^1da177e4c3f41 Linus Torvalds 2005-04-16 1086 */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 1087 xfs_trans_mod_sb(tp, XFS_TRANS_SB_FREXTENTS, ^1da177e4c3f41 Linus Torvalds 2005-04-16 1088 nsbp->sb_rextents - sbp->sb_rextents); ^1da177e4c3f41 Linus Torvalds 2005-04-16 1089 /* ^1da177e4c3f41 Linus Torvalds 2005-04-16 1090 * Update mp values into the real mp structure. ^1da177e4c3f41 Linus Torvalds 2005-04-16 1091 */ ^1da177e4c3f41 Linus Torvalds 2005-04-16 1092 mp->m_rsumlevels = nrsumlevels; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1093 mp->m_rsumsize = nrsumsize; e5720eec0548c0 David Chinner 2008-04-10 1094 70393313dd0b26 Christoph Hellwig 2015-06-04 1095 error = xfs_trans_commit(tp); 0924b585fc49bf Dave Chinner 2008-11-28 1096 if (error) e5720eec0548c0 David Chinner 2008-04-10 1097 break; e5720eec0548c0 David Chinner 2008-04-10 1098 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 1099 ^1da177e4c3f41 Linus Torvalds 2005-04-16 1100 /* d432c80e68e3c2 Nathan Scott 2006-09-28 1101 * Free the fake mp structure. ^1da177e4c3f41 Linus Torvalds 2005-04-16 1102 */ f0e2d93c29dc39 Denys Vlasenko 2008-05-19 1103 kmem_free(nmp); d432c80e68e3c2 Nathan Scott 2006-09-28 1104 65eed012d1f2d0 Omar Sandoval 2018-12-21 1105 /* 65eed012d1f2d0 Omar Sandoval 2018-12-21 1106 * If we had to allocate a new rsum_cache, we either need to free the 65eed012d1f2d0 Omar Sandoval 2018-12-21 1107 * old one (if we succeeded) or free the new one and restore the old one 65eed012d1f2d0 Omar Sandoval 2018-12-21 1108 * (if there was an error). 65eed012d1f2d0 Omar Sandoval 2018-12-21 1109 */ 65eed012d1f2d0 Omar Sandoval 2018-12-21 1110 if (rsum_cache != mp->m_rsum_cache) { 65eed012d1f2d0 Omar Sandoval 2018-12-21 1111 if (error) { 65eed012d1f2d0 Omar Sandoval 2018-12-21 1112 kmem_free(mp->m_rsum_cache); 65eed012d1f2d0 Omar Sandoval 2018-12-21 1113 mp->m_rsum_cache = rsum_cache; 65eed012d1f2d0 Omar Sandoval 2018-12-21 1114 } else { 65eed012d1f2d0 Omar Sandoval 2018-12-21 1115 kmem_free(rsum_cache); 65eed012d1f2d0 Omar Sandoval 2018-12-21 1116 } 65eed012d1f2d0 Omar Sandoval 2018-12-21 1117 } 65eed012d1f2d0 Omar Sandoval 2018-12-21 1118 ^1da177e4c3f41 Linus Torvalds 2005-04-16 1119 return error; ^1da177e4c3f41 Linus Torvalds 2005-04-16 1120 } ^1da177e4c3f41 Linus Torvalds 2005-04-16 1121
:::::: The code at line 892 was first introduced by commit :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Linux-2.6.12-rc2
:::::: TO: Linus Torvalds <torvalds@ppc970.osdl.org> :::::: CC: Linus Torvalds <torvalds@ppc970.osdl.org>
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