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path: root/arch/powerpc/platforms/cell/spufs/inode.c
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Diffstat (limited to 'arch/powerpc/platforms/cell/spufs/inode.c')
-rw-r--r--arch/powerpc/platforms/cell/spufs/inode.c40
1 files changed, 33 insertions, 7 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index c662ca78360..7123472801d 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -42,10 +42,19 @@
#include "spufs.h"
+struct spufs_sb_info {
+ int debug;
+};
+
static struct kmem_cache *spufs_inode_cache;
char *isolated_loader;
static int isolated_loader_size;
+static struct spufs_sb_info *spufs_get_sb_info(struct super_block *sb)
+{
+ return sb->s_fs_info;
+}
+
static struct inode *
spufs_alloc_inode(struct super_block *sb)
{
@@ -280,6 +289,13 @@ spufs_mkdir(struct inode *dir, struct dentry *dentry, unsigned int flags,
if (ret)
goto out_free_ctx;
+ if (spufs_get_sb_info(dir->i_sb)->debug)
+ ret = spufs_fill_dir(dentry, spufs_dir_debug_contents,
+ mode, ctx);
+
+ if (ret)
+ goto out_free_ctx;
+
d_instantiate(dentry, inode);
dget(dentry);
dir->i_nlink++;
@@ -640,18 +656,19 @@ out:
/* File system initialization */
enum {
- Opt_uid, Opt_gid, Opt_mode, Opt_err,
+ Opt_uid, Opt_gid, Opt_mode, Opt_debug, Opt_err,
};
static match_table_t spufs_tokens = {
- { Opt_uid, "uid=%d" },
- { Opt_gid, "gid=%d" },
- { Opt_mode, "mode=%o" },
- { Opt_err, NULL },
+ { Opt_uid, "uid=%d" },
+ { Opt_gid, "gid=%d" },
+ { Opt_mode, "mode=%o" },
+ { Opt_debug, "debug" },
+ { Opt_err, NULL },
};
static int
-spufs_parse_options(char *options, struct inode *root)
+spufs_parse_options(struct super_block *sb, char *options, struct inode *root)
{
char *p;
substring_t args[MAX_OPT_ARGS];
@@ -679,6 +696,9 @@ spufs_parse_options(char *options, struct inode *root)
return 0;
root->i_mode = option | S_IFDIR;
break;
+ case Opt_debug:
+ spufs_get_sb_info(sb)->debug = 1;
+ break;
default:
return 0;
}
@@ -737,7 +757,7 @@ spufs_create_root(struct super_block *sb, void *data)
SPUFS_I(inode)->i_ctx = NULL;
ret = -EINVAL;
- if (!spufs_parse_options(data, inode))
+ if (!spufs_parse_options(sb, data, inode))
goto out_iput;
ret = -ENOMEM;
@@ -755,6 +775,7 @@ out:
static int
spufs_fill_super(struct super_block *sb, void *data, int silent)
{
+ struct spufs_sb_info *info;
static struct super_operations s_ops = {
.alloc_inode = spufs_alloc_inode,
.destroy_inode = spufs_destroy_inode,
@@ -766,11 +787,16 @@ spufs_fill_super(struct super_block *sb, void *data, int silent)
save_mount_options(sb, data);
+ info = kzalloc(sizeof(*info), GFP_KERNEL);
+ if (!info)
+ return -ENOMEM;
+
sb->s_maxbytes = MAX_LFS_FILESIZE;
sb->s_blocksize = PAGE_CACHE_SIZE;
sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
sb->s_magic = SPUFS_MAGIC;
sb->s_op = &s_ops;
+ sb->s_fs_info = info;
return spufs_create_root(sb, data);
}