diff options
| -rw-r--r-- | fs/xfs/xfs_iget.c | 9 | ||||
| -rw-r--r-- | fs/xfs/xfs_sync.c | 10 |
2 files changed, 13 insertions, 6 deletions
diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c index 19dcfb2aac9a..37f22dad5f59 100644 --- a/fs/xfs/xfs_iget.c +++ b/fs/xfs/xfs_iget.c @@ -418,6 +418,15 @@ xfs_iget( xfs_perag_t *pag; xfs_agino_t agino; + /* + * xfs_reclaim_inode() uses the ILOCK to ensure an inode + * doesn't get freed while it's being referenced during a + * radix tree traversal here. It assumes this function + * aqcuires only the ILOCK (and therefore it has no need to + * involve the IOLOCK in this synchronization). + */ + ASSERT((lock_flags & (XFS_IOLOCK_EXCL | XFS_IOLOCK_SHARED)) == 0); + /* reject inode numbers outside existing AGs */ if (!ino || XFS_INO_TO_AGNO(mp, ino) >= mp->m_sb.sb_agcount) return EINVAL; diff --git a/fs/xfs/xfs_sync.c b/fs/xfs/xfs_sync.c index 40b75eecd2b4..71bf846b7280 100644 --- a/fs/xfs/xfs_sync.c +++ b/fs/xfs/xfs_sync.c @@ -913,17 +913,15 @@ reclaim: * can reference the inodes in the cache without taking references. * * We make that OK here by ensuring that we wait until the inode is - * unlocked after the lookup before we go ahead and free it. We get - * both the ilock and the iolock because the code may need to drop the - * ilock one but will still hold the iolock. + * unlocked after the lookup before we go ahead and free it. */ - xfs_ilock(ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL); + xfs_ilock(ip, XFS_ILOCK_EXCL); xfs_qm_dqdetach(ip); - xfs_iunlock(ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL); + xfs_iunlock(ip, XFS_ILOCK_EXCL); xfs_inode_free(ip); - return error; + return error; } /* |