From b22da3d8526a935aa31e086e63f60ff3246cb61c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 07:24:11 +0000
Subject: [PATCH] add stmac read mac form eeprom
---
kernel/fs/orangefs/orangefs-utils.c | 179 +++++++++++++++++++++++++++--------------------------------
1 files changed, 82 insertions(+), 97 deletions(-)
diff --git a/kernel/fs/orangefs/orangefs-utils.c b/kernel/fs/orangefs/orangefs-utils.c
index 804c8a2..d4b7ae7 100644
--- a/kernel/fs/orangefs/orangefs-utils.c
+++ b/kernel/fs/orangefs/orangefs-utils.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
/*
* (C) 2001 Clemson University and The University of Chicago
+ * Copyright 2018 Omnibond Systems, L.L.C.
*
* See COPYING in top-level directory.
*/
@@ -135,51 +136,37 @@
* NOTE: in kernel land, we never use the sys_attr->link_target for
* anything, so don't bother copying it into the sys_attr object here.
*/
-static inline int copy_attributes_from_inode(struct inode *inode,
- struct ORANGEFS_sys_attr_s *attrs,
- struct iattr *iattr)
+static inline void copy_attributes_from_inode(struct inode *inode,
+ struct ORANGEFS_sys_attr_s *attrs)
{
- umode_t tmp_mode;
-
- if (!iattr || !inode || !attrs) {
- gossip_err("NULL iattr (%p), inode (%p), attrs (%p) "
- "in copy_attributes_from_inode!\n",
- iattr,
- inode,
- attrs);
- return -EINVAL;
- }
- /*
- * We need to be careful to only copy the attributes out of the
- * iattr object that we know are valid.
- */
+ struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode);
attrs->mask = 0;
- if (iattr->ia_valid & ATTR_UID) {
- attrs->owner = from_kuid(&init_user_ns, iattr->ia_uid);
+ if (orangefs_inode->attr_valid & ATTR_UID) {
+ attrs->owner = from_kuid(&init_user_ns, inode->i_uid);
attrs->mask |= ORANGEFS_ATTR_SYS_UID;
gossip_debug(GOSSIP_UTILS_DEBUG, "(UID) %d\n", attrs->owner);
}
- if (iattr->ia_valid & ATTR_GID) {
- attrs->group = from_kgid(&init_user_ns, iattr->ia_gid);
+ if (orangefs_inode->attr_valid & ATTR_GID) {
+ attrs->group = from_kgid(&init_user_ns, inode->i_gid);
attrs->mask |= ORANGEFS_ATTR_SYS_GID;
gossip_debug(GOSSIP_UTILS_DEBUG, "(GID) %d\n", attrs->group);
}
- if (iattr->ia_valid & ATTR_ATIME) {
+ if (orangefs_inode->attr_valid & ATTR_ATIME) {
attrs->mask |= ORANGEFS_ATTR_SYS_ATIME;
- if (iattr->ia_valid & ATTR_ATIME_SET) {
- attrs->atime = (time64_t)iattr->ia_atime.tv_sec;
+ if (orangefs_inode->attr_valid & ATTR_ATIME_SET) {
+ attrs->atime = (time64_t)inode->i_atime.tv_sec;
attrs->mask |= ORANGEFS_ATTR_SYS_ATIME_SET;
}
}
- if (iattr->ia_valid & ATTR_MTIME) {
+ if (orangefs_inode->attr_valid & ATTR_MTIME) {
attrs->mask |= ORANGEFS_ATTR_SYS_MTIME;
- if (iattr->ia_valid & ATTR_MTIME_SET) {
- attrs->mtime = (time64_t)iattr->ia_mtime.tv_sec;
+ if (orangefs_inode->attr_valid & ATTR_MTIME_SET) {
+ attrs->mtime = (time64_t)inode->i_mtime.tv_sec;
attrs->mask |= ORANGEFS_ATTR_SYS_MTIME_SET;
}
}
- if (iattr->ia_valid & ATTR_CTIME)
+ if (orangefs_inode->attr_valid & ATTR_CTIME)
attrs->mask |= ORANGEFS_ATTR_SYS_CTIME;
/*
@@ -188,36 +175,10 @@
* worry about ATTR_SIZE
*/
- if (iattr->ia_valid & ATTR_MODE) {
- tmp_mode = iattr->ia_mode;
- if (tmp_mode & (S_ISVTX)) {
- if (is_root_handle(inode)) {
- /*
- * allow sticky bit to be set on root (since
- * it shows up that way by default anyhow),
- * but don't show it to the server
- */
- tmp_mode -= S_ISVTX;
- } else {
- gossip_debug(GOSSIP_UTILS_DEBUG,
- "%s: setting sticky bit not supported.\n",
- __func__);
- return -EINVAL;
- }
- }
-
- if (tmp_mode & (S_ISUID)) {
- gossip_debug(GOSSIP_UTILS_DEBUG,
- "%s: setting setuid bit not supported.\n",
- __func__);
- return -EINVAL;
- }
-
- attrs->perms = ORANGEFS_util_translate_mode(tmp_mode);
+ if (orangefs_inode->attr_valid & ATTR_MODE) {
+ attrs->perms = ORANGEFS_util_translate_mode(inode->i_mode);
attrs->mask |= ORANGEFS_ATTR_SYS_PERM;
}
-
- return 0;
}
static int orangefs_inode_type(enum orangefs_ds_type objtype)
@@ -272,27 +233,30 @@
return 0;
}
-int orangefs_inode_getattr(struct inode *inode, int new, int bypass,
- u32 request_mask)
+int orangefs_inode_getattr(struct inode *inode, int flags)
{
struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode);
struct orangefs_kernel_op_s *new_op;
loff_t inode_size;
int ret, type;
- gossip_debug(GOSSIP_UTILS_DEBUG, "%s: called on inode %pU\n", __func__,
- get_khandle_from_ino(inode));
+ gossip_debug(GOSSIP_UTILS_DEBUG, "%s: called on inode %pU flags %d\n",
+ __func__, get_khandle_from_ino(inode), flags);
- if (!new && !bypass) {
- /*
- * Must have all the attributes in the mask and be within cache
- * time.
- */
- if ((request_mask & orangefs_inode->getattr_mask) ==
- request_mask &&
- time_before(jiffies, orangefs_inode->getattr_time))
- return 0;
+again:
+ spin_lock(&inode->i_lock);
+ /* Must have all the attributes in the mask and be within cache time. */
+ if ((!flags && time_before(jiffies, orangefs_inode->getattr_time)) ||
+ orangefs_inode->attr_valid || inode->i_state & I_DIRTY_PAGES) {
+ if (orangefs_inode->attr_valid) {
+ spin_unlock(&inode->i_lock);
+ write_inode_now(inode, 1);
+ goto again;
+ }
+ spin_unlock(&inode->i_lock);
+ return 0;
}
+ spin_unlock(&inode->i_lock);
new_op = op_alloc(ORANGEFS_VFS_OP_GETATTR);
if (!new_op)
@@ -302,7 +266,7 @@
* Size is the hardest attribute to get. The incremental cost of any
* other attribute is essentially zero.
*/
- if (request_mask & STATX_SIZE || new)
+ if (flags)
new_op->upcall.req.getattr.mask = ORANGEFS_ATTR_SYS_ALL_NOHINT;
else
new_op->upcall.req.getattr.mask =
@@ -313,13 +277,33 @@
if (ret != 0)
goto out;
- if (!new) {
+again2:
+ spin_lock(&inode->i_lock);
+ /* Must have all the attributes in the mask and be within cache time. */
+ if ((!flags && time_before(jiffies, orangefs_inode->getattr_time)) ||
+ orangefs_inode->attr_valid || inode->i_state & I_DIRTY_PAGES) {
+ if (orangefs_inode->attr_valid) {
+ spin_unlock(&inode->i_lock);
+ write_inode_now(inode, 1);
+ goto again2;
+ }
+ if (inode->i_state & I_DIRTY_PAGES) {
+ ret = 0;
+ goto out_unlock;
+ }
+ gossip_debug(GOSSIP_UTILS_DEBUG, "%s: in cache or dirty\n",
+ __func__);
+ ret = 0;
+ goto out_unlock;
+ }
+
+ if (!(flags & ORANGEFS_GETATTR_NEW)) {
ret = orangefs_inode_is_stale(inode,
&new_op->downcall.resp.getattr.attributes,
new_op->downcall.resp.getattr.link_target);
if (ret) {
ret = -ESTALE;
- goto out;
+ goto out_unlock;
}
}
@@ -329,30 +313,26 @@
case S_IFREG:
inode->i_flags = orangefs_inode_flags(&new_op->
downcall.resp.getattr.attributes);
- if (request_mask & STATX_SIZE || new) {
+ if (flags) {
inode_size = (loff_t)new_op->
downcall.resp.getattr.attributes.size;
inode->i_size = inode_size;
inode->i_blkbits = ffs(new_op->downcall.resp.getattr.
attributes.blksize);
- spin_lock(&inode->i_lock);
inode->i_bytes = inode_size;
inode->i_blocks =
(inode_size + 512 - inode_size % 512)/512;
- spin_unlock(&inode->i_lock);
}
break;
case S_IFDIR:
- if (request_mask & STATX_SIZE || new) {
+ if (flags) {
inode->i_size = PAGE_SIZE;
- spin_lock(&inode->i_lock);
inode_set_bytes(inode, inode->i_size);
- spin_unlock(&inode->i_lock);
}
set_nlink(inode, 1);
break;
case S_IFLNK:
- if (new) {
+ if (flags & ORANGEFS_GETATTR_NEW) {
inode->i_size = (loff_t)strlen(new_op->
downcall.resp.getattr.link_target);
ret = strscpy(orangefs_inode->link_target,
@@ -360,7 +340,7 @@
ORANGEFS_NAME_MAX);
if (ret == -E2BIG) {
ret = -EIO;
- goto out;
+ goto out_unlock;
}
inode->i_link = orangefs_inode->link_target;
}
@@ -370,7 +350,7 @@
/* XXX: ESTALE? This is what is done if it is not new. */
orangefs_make_bad_inode(inode);
ret = -ESTALE;
- goto out;
+ goto out_unlock;
}
inode->i_uid = make_kuid(&init_user_ns, new_op->
@@ -393,11 +373,9 @@
orangefs_inode->getattr_time = jiffies +
orangefs_getattr_timeout_msecs*HZ/1000;
- if (request_mask & STATX_SIZE || new)
- orangefs_inode->getattr_mask = STATX_BASIC_STATS;
- else
- orangefs_inode->getattr_mask = STATX_BASIC_STATS & ~STATX_SIZE;
ret = 0;
+out_unlock:
+ spin_unlock(&inode->i_lock);
out:
op_release(new_op);
return ret;
@@ -436,7 +414,7 @@
* issues a orangefs setattr request to make sure the new attribute values
* take effect if successful. returns 0 on success; -errno otherwise
*/
-int orangefs_inode_setattr(struct inode *inode, struct iattr *iattr)
+int orangefs_inode_setattr(struct inode *inode)
{
struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode);
struct orangefs_kernel_op_s *new_op;
@@ -446,24 +424,31 @@
if (!new_op)
return -ENOMEM;
+ spin_lock(&inode->i_lock);
+ new_op->upcall.uid = from_kuid(&init_user_ns, orangefs_inode->attr_uid);
+ new_op->upcall.gid = from_kgid(&init_user_ns, orangefs_inode->attr_gid);
new_op->upcall.req.setattr.refn = orangefs_inode->refn;
- ret = copy_attributes_from_inode(inode,
- &new_op->upcall.req.setattr.attributes,
- iattr);
- if (ret >= 0) {
- ret = service_operation(new_op, __func__,
- get_interruptible_flag(inode));
-
- gossip_debug(GOSSIP_UTILS_DEBUG,
- "orangefs_inode_setattr: returning %d\n",
- ret);
+ copy_attributes_from_inode(inode,
+ &new_op->upcall.req.setattr.attributes);
+ orangefs_inode->attr_valid = 0;
+ if (!new_op->upcall.req.setattr.attributes.mask) {
+ spin_unlock(&inode->i_lock);
+ op_release(new_op);
+ return 0;
}
+ spin_unlock(&inode->i_lock);
+
+ ret = service_operation(new_op, __func__,
+ get_interruptible_flag(inode) | ORANGEFS_OP_WRITEBACK);
+ gossip_debug(GOSSIP_UTILS_DEBUG,
+ "orangefs_inode_setattr: returning %d\n", ret);
+ if (ret)
+ orangefs_make_bad_inode(inode);
op_release(new_op);
if (ret == 0)
orangefs_inode->getattr_time = jiffies - 1;
-
return ret;
}
--
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