Messages in this thread Patch in this message | | | Subject | [PATCH 2/2] Fix i_state of inode is changed after the inode is freed | From | Masayuki Saito <> | Date | Tue, 8 Aug 2006 21:00:26 +0900 |
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Fix i_state of the inode is changed after the inode is freed.
Signed-off-by: Masayuki Saito <m-saito@tnes.nec.co.jp> ---
--- linux-2.6.17.7/fs/xfs/xfs_inode.c.orig 2006-08-01 14:20:00.903511531 +0900 +++ linux-2.6.17.7/fs/xfs/xfs_inode.c 2006-08-01 14:14:39.588213059 +0900 @@ -2736,6 +2736,8 @@ void xfs_iunpin( xfs_inode_t *ip) { + int need_unlock; + ASSERT(atomic_read(&ip->i_pincount) > 0); if (atomic_dec_and_test(&ip->i_pincount)) { @@ -2751,6 +2753,8 @@ xfs_iunpin( * call as the inode reclaim may be blocked waiting for * the inode to become unpinned. */ + need_unlock = 1; + spin_lock(&ip->i_flags_lock); if (!(ip->i_flags & (XFS_IRECLAIM|XFS_IRECLAIMABLE))) { vnode_t *vp = XFS_ITOV_NULL(ip); @@ -2758,10 +2762,22 @@ xfs_iunpin( if (vp) { struct inode *inode = vn_to_inode(vp); - if (!(inode->i_state & I_NEW)) - mark_inode_dirty_sync(inode); + if (!(inode->i_state & + (I_NEW|I_FREEING|I_CLEAR))) { + inode = igrab(inode); + if (inode != NULL) { + mark_inode_dirty_sync(inode); + spin_unlock(&ip->i_flags_lock); + need_unlock = 0; + iput(inode); + } + } } } + if (need_unlock) { + spin_unlock(&ip->i_flags_lock); + need_unlock = 0; + } wake_up(&ip->i_ipin_wait); } } - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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