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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/fs/orangefs/super.c
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..
@@ -10,6 +10,7 @@
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10
 #include "orangefs-bufmap.h"
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11
 
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 #include <linux/parser.h>
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+#include <linux/hashtable.h>
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14
 
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 /* a cache for orangefs-inode objects (i.e. orangefs inode private data) */
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 static struct kmem_cache *orangefs_inode_cache;
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@@ -124,10 +125,18 @@
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 	return &orangefs_inode->vfs_inode;
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 }
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-static void orangefs_i_callback(struct rcu_head *head)
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+static void orangefs_free_inode(struct inode *inode)
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 {
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-	struct inode *inode = container_of(head, struct inode, i_rcu);
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 	struct orangefs_inode_s *orangefs_inode = ORANGEFS_I(inode);
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+	struct orangefs_cached_xattr *cx;
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+	struct hlist_node *tmp;
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+	int i;
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+
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+	hash_for_each_safe(orangefs_inode->xattr_cache, i, tmp, cx, node) {
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+		hlist_del(&cx->node);
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+		kfree(cx);
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+	}
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+
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 	kmem_cache_free(orangefs_inode_cache, orangefs_inode);
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 }
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142
 
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@@ -138,8 +147,13 @@
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 	gossip_debug(GOSSIP_SUPER_DEBUG,
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 			"%s: deallocated %p destroying inode %pU\n",
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 			__func__, orangefs_inode, get_khandle_from_ino(inode));
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+}
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-	call_rcu(&inode->i_rcu, orangefs_i_callback);
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+static int orangefs_write_inode(struct inode *inode,
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+				struct writeback_control *wbc)
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+{
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+	gossip_debug(GOSSIP_SUPER_DEBUG, "orangefs_write_inode\n");
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+	return orangefs_inode_setattr(inode);
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157
 }
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158
 
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 /*
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@@ -299,7 +313,9 @@
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313
 
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 static const struct super_operations orangefs_s_ops = {
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 	.alloc_inode = orangefs_alloc_inode,
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+	.free_inode = orangefs_free_inode,
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 	.destroy_inode = orangefs_destroy_inode,
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+	.write_inode = orangefs_write_inode,
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 	.drop_inode = generic_delete_inode,
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 	.statfs = orangefs_statfs,
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 	.remount_fs = orangefs_remount_fs,
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@@ -397,15 +413,11 @@
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 		struct orangefs_fs_mount_response *fs_mount,
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 		void *data, int silent)
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 {
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-	int ret = -EINVAL;
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-	struct inode *root = NULL;
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-	struct dentry *root_dentry = NULL;
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+	int ret;
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+	struct inode *root;
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+	struct dentry *root_dentry;
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 	struct orangefs_object_kref root_object;
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420
 
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-	/* alloc and init our private orangefs sb info */
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-	sb->s_fs_info = kzalloc(sizeof(struct orangefs_sb_info_s), GFP_KERNEL);
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-	if (!ORANGEFS_SB(sb))
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-		return -ENOMEM;
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 	ORANGEFS_SB(sb)->sb = sb;
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422
 
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 	ORANGEFS_SB(sb)->root_khandle = fs_mount->root_khandle;
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@@ -427,6 +439,10 @@
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 	sb->s_blocksize = PAGE_SIZE;
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 	sb->s_blocksize_bits = PAGE_SHIFT;
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 	sb->s_maxbytes = MAX_LFS_FILESIZE;
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+
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+	ret = super_setup_bdi(sb);
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+	if (ret)
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+		return ret;
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 	root_object.khandle = ORANGEFS_SB(sb)->root_khandle;
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 	root_object.fs_id = ORANGEFS_SB(sb)->fs_id;
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@@ -506,6 +522,13 @@
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 		goto free_op;
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 	}
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+	/* alloc and init our private orangefs sb info */
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+	sb->s_fs_info = kzalloc(sizeof(struct orangefs_sb_info_s), GFP_KERNEL);
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+	if (!ORANGEFS_SB(sb)) {
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+		d = ERR_PTR(-ENOMEM);
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+		goto free_op;
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+	}
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+
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 	ret = orangefs_fill_sb(sb,
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 	      &new_op->downcall.resp.fs_mount, data,
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 	      flags & SB_SILENT ? 1 : 0);