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afs: Move /proc management functions to the end of the file

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In fs/afs/proc.c, move functions that create and remove /proc files to the
end of the source file as a first stage in getting rid of all the forward
declarations.

Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells 2018-05-18 11:46:14 +01:00
parent 96362fb474
commit 10495a0071
1 changed files with 79 additions and 81 deletions
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160
fs/afs/proc.c
View file

@ -127,45 +127,6 @@ static const struct file_operations afs_proc_sysname_fops = {
.write = afs_proc_sysname_write,
};
static int afs_proc_stats_show(struct seq_file *m, void *v);
/*
* initialise the /proc/fs/afs/ directory
*/
int afs_proc_init(struct afs_net *net)
{
_enter("");
net->proc_afs = proc_mkdir("fs/afs", NULL);
if (!net->proc_afs)
goto error_dir;
if (!proc_create("cells", 0644, net->proc_afs, &afs_proc_cells_fops) ||
!proc_create("rootcell", 0644, net->proc_afs, &afs_proc_rootcell_fops) ||
!proc_create_seq("servers", 0644, net->proc_afs, &afs_proc_servers_ops) ||
!proc_create_single("stats", 0644, net->proc_afs, afs_proc_stats_show) ||
!proc_create("sysname", 0644, net->proc_afs, &afs_proc_sysname_fops))
goto error_tree;
_leave(" = 0");
return 0;
error_tree:
proc_remove(net->proc_afs);
error_dir:
_leave(" = -ENOMEM");
return -ENOMEM;
}
/*
* clean up the /proc/fs/afs/ directory
*/
void afs_proc_cleanup(struct afs_net *net)
{
proc_remove(net->proc_afs);
net->proc_afs = NULL;
}
/*
* open "/proc/fs/afs/cells" which provides a summary of extant cells
*/
@ -383,48 +344,6 @@ static ssize_t afs_proc_rootcell_write(struct file *file,
return ret;
}
/*
* initialise /proc/fs/afs/<cell>/
*/
int afs_proc_cell_setup(struct afs_net *net, struct afs_cell *cell)
{
struct proc_dir_entry *dir;
_enter("%p{%s},%p", cell, cell->name, net->proc_afs);
dir = proc_mkdir(cell->name, net->proc_afs);
if (!dir)
goto error_dir;
if (!proc_create_seq_data("vlservers", 0, dir,
&afs_proc_cell_vlservers_ops, cell))
goto error_tree;
if (!proc_create_seq_data("volumes", 0, dir, &afs_proc_cell_volumes_ops,
cell))
goto error_tree;
_leave(" = 0");
return 0;
error_tree:
remove_proc_subtree(cell->name, net->proc_afs);
error_dir:
_leave(" = -ENOMEM");
return -ENOMEM;
}
/*
* remove /proc/fs/afs/<cell>/
*/
void afs_proc_cell_remove(struct afs_net *net, struct afs_cell *cell)
{
_enter("");
remove_proc_subtree(cell->name, net->proc_afs);
_leave("");
}
/*
* set up the iterator to start reading from the cells list and return the
* first item
@ -842,3 +761,82 @@ static int afs_proc_stats_show(struct seq_file *m, void *v)
atomic_long_read(&net->n_store_bytes));
return 0;
}
/*
* initialise /proc/fs/afs/<cell>/
*/
int afs_proc_cell_setup(struct afs_net *net, struct afs_cell *cell)
{
struct proc_dir_entry *dir;
_enter("%p{%s},%p", cell, cell->name, net->proc_afs);
dir = proc_mkdir(cell->name, net->proc_afs);
if (!dir)
goto error_dir;
if (!proc_create_seq_data("vlservers", 0, dir,
&afs_proc_cell_vlservers_ops, cell))
goto error_tree;
if (!proc_create_seq_data("volumes", 0, dir,
&afs_proc_cell_volumes_ops, cell))
goto error_tree;
_leave(" = 0");
return 0;
error_tree:
remove_proc_subtree(cell->name, net->proc_afs);
error_dir:
_leave(" = -ENOMEM");
return -ENOMEM;
}
/*
* remove /proc/fs/afs/<cell>/
*/
void afs_proc_cell_remove(struct afs_net *net, struct afs_cell *cell)
{
_enter("");
remove_proc_subtree(cell->name, net->proc_afs);
_leave("");
}
/*
* initialise the /proc/fs/afs/ directory
*/
int afs_proc_init(struct afs_net *net)
{
_enter("");
net->proc_afs = proc_mkdir("fs/afs", NULL);
if (!net->proc_afs)
goto error_dir;
if (!proc_create("cells", 0644, net->proc_afs, &afs_proc_cells_fops) ||
!proc_create("rootcell", 0644, net->proc_afs, &afs_proc_rootcell_fops) ||
!proc_create_seq("servers", 0644, net->proc_afs, &afs_proc_servers_ops) ||
!proc_create_single("stats", 0644, net->proc_afs, afs_proc_stats_show) ||
!proc_create("sysname", 0644, net->proc_afs, &afs_proc_sysname_fops))
goto error_tree;
_leave(" = 0");
return 0;
error_tree:
proc_remove(net->proc_afs);
error_dir:
_leave(" = -ENOMEM");
return -ENOMEM;
}
/*
* clean up the /proc/fs/afs/ directory
*/
void afs_proc_cleanup(struct afs_net *net)
{
proc_remove(net->proc_afs);
net->proc_afs = NULL;
}