Messages in this thread Patch in this message | | | Date | Mon, 22 Apr 2002 16:02:42 +0900 (JST) | Subject | [PATCH][BUG] nfsd may deadlock (linux-2.5.8) | From | Hirokazu Takahashi <> |
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Hi,
I fixed a nfsd bug. KNFSDs will deadlock in nfsd_symlink() as they try to grab i_sem doubly, though the i_sem is already grabbed by fh_lock().
Thank you, Hirokazu Takahashi.
--- linux/fs/nfsd/vfs.c.ORG Sat Apr 20 09:09:30 2002 +++ linux/fs/nfsd/vfs.c Mon Apr 22 06:08:51 2002 @@ -1127,9 +1135,7 @@ iap->ia_valid |= ATTR_CTIME; iap->ia_mode = (iap->ia_mode&S_IALLUGO) | S_IFLNK; - down(&dentry->d_inode->i_sem); err = notify_change(dnew, iap); - up(&dentry->d_inode->i_sem); if (!err && EX_ISSYNC(fhp->fh_export)) write_inode_now(dentry->d_inode, 1); } - 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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