diff options
Diffstat (limited to 'fs/xfs/libxfs/xfs_inode_fork.c')
| -rw-r--r-- | fs/xfs/libxfs/xfs_inode_fork.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/fs/xfs/libxfs/xfs_inode_fork.c b/fs/xfs/libxfs/xfs_inode_fork.c index 6b21760184d9..5a2e7ddfa76d 100644 --- a/fs/xfs/libxfs/xfs_inode_fork.c +++ b/fs/xfs/libxfs/xfs_inode_fork.c @@ -140,7 +140,8 @@ xfs_iformat_extents( xfs_inode_verifier_error(ip, -EFSCORRUPTED, "xfs_iformat_extents(2)", dp, sizeof(*dp), fa); - return -EFSCORRUPTED; + return xfs_bmap_complain_bad_rec(ip, whichfork, + fa, &new); } xfs_iext_insert(ip, &icur, &new, state); @@ -226,10 +227,15 @@ xfs_iformat_data_fork( /* * Initialize the extent count early, as the per-format routines may - * depend on it. + * depend on it. Use release semantics to set needextents /after/ we + * set the format. This ensures that we can use acquire semantics on + * needextents in xfs_need_iread_extents() and be guaranteed to see a + * valid format value after that load. */ ip->i_df.if_format = dip->di_format; ip->i_df.if_nextents = xfs_dfork_data_extents(dip); + smp_store_release(&ip->i_df.if_needextents, + ip->i_df.if_format == XFS_DINODE_FMT_BTREE ? 1 : 0); switch (inode->i_mode & S_IFMT) { case S_IFIFO: @@ -282,8 +288,17 @@ xfs_ifork_init_attr( enum xfs_dinode_fmt format, xfs_extnum_t nextents) { + /* + * Initialize the extent count early, as the per-format routines may + * depend on it. Use release semantics to set needextents /after/ we + * set the format. This ensures that we can use acquire semantics on + * needextents in xfs_need_iread_extents() and be guaranteed to see a + * valid format value after that load. + */ ip->i_af.if_format = format; ip->i_af.if_nextents = nextents; + smp_store_release(&ip->i_af.if_needextents, + ip->i_af.if_format == XFS_DINODE_FMT_BTREE ? 1 : 0); } void |