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orangefs: rename orangefs_inode_getattr to orangefs_inode_old_getattr 

This is motivated by orangefs_inode_old_getattr's habit of writing over
live inodes.

Signed-off-by: Martin Brandenburg <martin@omnibond.com>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
This commit is contained in:
Martin Brandenburg 2016-03-15 11:28:20 -04:00 committed by Mike Marshall
parent d57521a653
commit 3c9cf98d7b
5 changed files with 133 additions and 10 deletions
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2
fs/orangefs/dcache.c
View File

@ -117,7 +117,7 @@ static int orangefs_d_revalidate(struct dentry *dentry, unsigned int flags)
/* Now we must perform a getattr to validate the inode contents. */
ret = orangefs_inode_getattr(dentry->d_inode,
ret = orangefs_inode_old_getattr(dentry->d_inode,
ORANGEFS_ATTR_SYS_TYPE|ORANGEFS_ATTR_SYS_LNK_TARGET, 1);
if (ret < 0) {
gossip_debug(GOSSIP_DCACHE_DEBUG, "%s:%s:%d getattr failure.\n",

7
fs/orangefs/file.c
View File

@ -455,10 +455,10 @@ static ssize_t orangefs_file_write_iter(struct kiocb *iocb, struct iov_iter *ite
/* Make sure generic_write_checks sees an up to date inode size. */
if (file->f_flags & O_APPEND) {
rc = orangefs_inode_getattr(file->f_mapping->host,
rc = orangefs_inode_old_getattr(file->f_mapping->host,
ORANGEFS_ATTR_SYS_SIZE, 0);
if (rc) {
gossip_err("%s: orangefs_inode_getattr failed, rc:%zd:.\n",
gossip_err("%s: orangefs_inode_old_getattr failed, rc:%zd:.\n",
__func__, rc);
goto out;
}
@ -670,7 +670,8 @@ static loff_t orangefs_file_llseek(struct file *file, loff_t offset, int origin)
* NOTE: We are only interested in file size here,
* so we set mask accordingly.
*/
ret = orangefs_inode_getattr(inode, ORANGEFS_ATTR_SYS_SIZE, 0);
ret = orangefs_inode_old_getattr(inode,
ORANGEFS_ATTR_SYS_SIZE, 0);
if (ret) {
gossip_debug(GOSSIP_FILE_DEBUG,
"%s:%s:%d calling make bad inode\n",

9
fs/orangefs/inode.c
View File

@ -268,7 +268,8 @@ int orangefs_getattr(struct vfsmount *mnt,
"orangefs_getattr: called on %s\n",
dentry->d_name.name);
ret = orangefs_inode_getattr(inode, ORANGEFS_ATTR_SYS_ALL_NOHINT, 0);
ret = orangefs_inode_old_getattr(inode, ORANGEFS_ATTR_SYS_ALL_NOHINT,
0);
if (ret == 0) {
generic_fillattr(inode, kstat);
@ -299,7 +300,7 @@ int orangefs_permission(struct inode *inode, int mask)
gossip_debug(GOSSIP_INODE_DEBUG, "%s: refreshing\n", __func__);
/* Make sure the permission (and other common attrs) are up to date. */
ret = orangefs_inode_getattr(inode,
ret = orangefs_inode_old_getattr(inode,
ORANGEFS_ATTR_SYS_ALL_NOHINT_NOSIZE, 0);
if (ret < 0)
return ret;
@ -401,7 +402,7 @@ struct inode *orangefs_iget(struct super_block *sb, struct orangefs_object_kref
if (!inode || !(inode->i_state & I_NEW))
return inode;
error = orangefs_inode_getattr(inode,
error = orangefs_inode_old_getattr(inode,
ORANGEFS_ATTR_SYS_ALL_NOHINT_NOSIZE, 0);
if (error) {
iget_failed(inode);
@ -447,7 +448,7 @@ struct inode *orangefs_new_inode(struct super_block *sb, struct inode *dir,
orangefs_set_inode(inode, ref);
inode->i_ino = hash; /* needed for stat etc */
error = orangefs_inode_getattr(inode,
error = orangefs_inode_old_getattr(inode,
ORANGEFS_ATTR_SYS_ALL_NOHINT_NOSIZE, 0);
if (error)
goto out_iput;

4
fs/orangefs/orangefs-kernel.h
View File

@ -544,7 +544,9 @@ int orangefs_inode_setxattr(struct inode *inode,
size_t size,
int flags);
int orangefs_inode_getattr(struct inode *inode, __u32 mask, int check);
int orangefs_inode_old_getattr(struct inode *inode, __u32 mask, int check);
int orangefs_inode_getattr(struct inode *inode, int new, int size);
int orangefs_inode_setattr(struct inode *inode, struct iattr *iattr);

121
fs/orangefs/orangefs-utils.c
View File

@ -458,7 +458,8 @@ static int compare_attributes_to_inode(struct inode *inode,
* otherwise. When check is 1, returns 1 on success where the inode is valid
* and 0 on success where the inode is stale and -errno otherwise.
*/
int orangefs_inode_getattr(struct inode *inode, __u32 getattr_mask, int check)
int orangefs_inode_old_getattr(struct inode *inode, __u32 getattr_mask,
int check)
{
struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode);
struct orangefs_kernel_op_s *new_op;
@ -536,6 +537,124 @@ int orangefs_inode_getattr(struct inode *inode, __u32 getattr_mask, int check)
return ret;
}
static int orangefs_inode_type(enum orangefs_ds_type objtype)
{
if (objtype == ORANGEFS_TYPE_METAFILE)
return S_IFREG;
else if (objtype == ORANGEFS_TYPE_DIRECTORY)
return S_IFDIR;
else if (objtype == ORANGEFS_TYPE_SYMLINK)
return S_IFLNK;
else
return -1;
}
int orangefs_inode_getattr(struct inode *inode, int new, int size)
{
struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode);
struct orangefs_kernel_op_s *new_op;
loff_t inode_size, rounded_up_size;
int ret;
gossip_debug(GOSSIP_UTILS_DEBUG, "%s: called on inode %pU\n", __func__,
get_khandle_from_ino(inode));
new_op = op_alloc(ORANGEFS_VFS_OP_GETATTR);
if (!new_op)
return -ENOMEM;
new_op->upcall.req.getattr.refn = orangefs_inode->refn;
new_op->upcall.req.getattr.mask = size ?
ORANGEFS_ATTR_SYS_ALL_NOHINT : ORANGEFS_ATTR_SYS_ALL_NOHINT_NOSIZE;
ret = service_operation(new_op, __func__,
get_interruptible_flag(inode));
if (ret != 0)
goto out;
ret = orangefs_inode_type(new_op->
downcall.resp.getattr.attributes.objtype);
if (!new) {
/*
* If the inode type or symlink target have changed then this
* inode is stale.
*/
if (ret == -1 || !(inode->i_mode & ret)) {
orangefs_make_bad_inode(inode);
ret = -ESTALE;
goto out;
}
if (ret == S_IFLNK && strncmp(orangefs_inode->link_target,
new_op->downcall.resp.getattr.link_target,
ORANGEFS_NAME_MAX)) {
orangefs_make_bad_inode(inode);
ret = -ESTALE;
goto out;
}
}
switch (ret) {
case S_IFREG:
inode->i_flags = orangefs_inode_flags(&new_op->
downcall.resp.getattr.attributes);
if (size) {
inode_size = (loff_t)new_op->
downcall.resp.getattr.attributes.size;
rounded_up_size =
(inode_size + (4096 - (inode_size % 4096)));
inode->i_size = inode_size;
orangefs_inode->blksize =
new_op->downcall.resp.getattr.attributes.blksize;
spin_lock(&inode->i_lock);
inode->i_bytes = inode_size;
inode->i_blocks =
(unsigned long)(rounded_up_size / 512);
spin_unlock(&inode->i_lock);
}
break;
case S_IFDIR:
inode->i_size = PAGE_CACHE_SIZE;
orangefs_inode->blksize = (1 << inode->i_blkbits);
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) {
inode->i_size = (loff_t)strlen(new_op->
downcall.resp.getattr.link_target);
orangefs_inode->blksize = (1 << inode->i_blkbits);
strlcpy(orangefs_inode->link_target,
new_op->downcall.resp.getattr.link_target,
ORANGEFS_NAME_MAX);
}
break;
}
inode->i_uid = make_kuid(&init_user_ns, new_op->
downcall.resp.getattr.attributes.owner);
inode->i_gid = make_kgid(&init_user_ns, new_op->
downcall.resp.getattr.attributes.group);
inode->i_atime.tv_sec = (time64_t)new_op->
downcall.resp.getattr.attributes.atime;
inode->i_mtime.tv_sec = (time64_t)new_op->
downcall.resp.getattr.attributes.mtime;
inode->i_ctime.tv_sec = (time64_t)new_op->
downcall.resp.getattr.attributes.ctime;
inode->i_atime.tv_nsec = 0;
inode->i_mtime.tv_nsec = 0;
inode->i_ctime.tv_nsec = 0;
/* special case: mark the root inode as sticky */
inode->i_mode = ret | (is_root_handle(inode) ? S_ISVTX : 0) |
orangefs_inode_perms(&new_op->downcall.resp.getattr.attributes);
ret = 0;
out:
op_release(new_op);
return ret;
}
/*
* issues a orangefs setattr request to make sure the new attribute values
* take effect if successful. returns 0 on success; -errno otherwise