/* * linux/fs/9p/vfs_dentry.c * * This file contians vfs dentry ops for the 9P2000 protocol. * * Copyright (C) 2004 by Eric Van Hensbergen * Copyright (C) 2002 by Ron Minnich * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 * as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to: * Free Software Foundation * 51 Franklin Street, Fifth Floor * Boston, MA 02111-1301 USA * */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "v9fs.h" #include "v9fs_vfs.h" #include "fid.h" /** * v9fs_cached_dentry_delete - called when dentry refcount equals 0 * @dentry: dentry in question * */ static int v9fs_cached_dentry_delete(const struct dentry *dentry) { p9_debug(P9_DEBUG_VFS, " dentry: %pd (%p)\n", dentry, dentry); /* Don't cache negative dentries */ if (d_really_is_negative(dentry)) return 1; return 0; } /** * v9fs_dentry_release - called when dentry is going to be freed * @dentry: dentry that is being release * */ static void v9fs_dentry_release(struct dentry *dentry) { struct hlist_node *p, *n; p9_debug(P9_DEBUG_VFS, " dentry: %pd (%p)\n", dentry, dentry); hlist_for_each_safe(p, n, (struct hlist_head *)&dentry->d_fsdata) p9_client_clunk(hlist_entry(p, struct p9_fid, dlist)); dentry->d_fsdata = NULL; } static int v9fs_lookup_revalidate(struct dentry *dentry, unsigned int flags) { struct p9_fid *fid; struct inode *inode; struct v9fs_inode *v9inode; if (flags & LOOKUP_RCU) return -ECHILD; inode = d_inode(dentry); if (!inode) goto out_valid; v9inode = V9FS_I(inode); if (v9inode->cache_validity & V9FS_INO_INVALID_ATTR) { int retval; struct v9fs_session_info *v9ses; fid = v9fs_fid_lookup(dentry); if (IS_ERR(fid)) return PTR_ERR(fid); v9ses = v9fs_inode2v9ses(inode); if (v9fs_proto_dotl(v9ses)) retval = v9fs_refresh_inode_dotl(fid, inode); else retval = v9fs_refresh_inode(fid, inode); if (retval == -ENOENT) return 0; if (retval < 0) return retval; } out_valid: return 1; } const struct dentry_operations v9fs_cached_dentry_operations = { .d_revalidate = v9fs_lookup_revalidate, .d_weak_revalidate = v9fs_lookup_revalidate, .d_delete = v9fs_cached_dentry_delete, .d_release = v9fs_dentry_release, }; const struct dentry_operations v9fs_dentry_operations = { .d_delete = always_delete_dentry, .d_release = v9fs_dentry_release, }; it/include/uapi?h=nds-private-remove&id=24d615a694d649aa2e167c3f97f62bdad07e3f84'>uapi/scsi
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authorAleksander Morgado <aleksander@aleksander.es>2017-01-18 21:31:31 +0100
committerJohan Hovold <johan@kernel.org>2017-01-19 09:08:37 +0100
commit24d615a694d649aa2e167c3f97f62bdad07e3f84 (patch)
tree2fe33c115bdec6bf4b01e27afd90bb16fa668e22 /include/uapi/scsi
parent49def1853334396f948dcb4cedb9347abb318df5 (diff)
USB: serial: qcserial: add Dell DW5570 QDL
The Dell DW5570 is a re-branded Sierra Wireless MC8805 which will by default boot with vid 0x413c and pid 0x81a3. When triggered QDL download mode, the device switches to pid 0x81a6 and provides the standard TTY used for firmware upgrade. Cc: <stable@vger.kernel.org> Signed-off-by: Aleksander Morgado <aleksander@aleksander.es> Signed-off-by: Johan Hovold <johan@kernel.org>
Diffstat (limited to 'include/uapi/scsi')