ext4: fix up rb_root initializations to use RB_ROOT
ext4 uses rb_node = NULL; to zero rb_root at few places. Using RB_ROOT as the initializer is more portable in case the underlying implementation of rbtrees changes in the future. Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: "Theodore Ts'o" <tytso@mit.edu> Cc: Eric Paris <eparis@redhat.com>
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committed by
Theodore Ts'o
parent
c437b27335
commit
64e290ec69
@ -205,14 +205,14 @@ void ext4_release_system_zone(struct super_block *sb)
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entry = rb_entry(n, struct ext4_system_zone, node);
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kmem_cache_free(ext4_system_zone_cachep, entry);
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if (!parent)
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EXT4_SB(sb)->system_blks.rb_node = NULL;
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EXT4_SB(sb)->system_blks = RB_ROOT;
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else if (parent->rb_left == n)
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parent->rb_left = NULL;
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else if (parent->rb_right == n)
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parent->rb_right = NULL;
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n = parent;
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}
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EXT4_SB(sb)->system_blks.rb_node = NULL;
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EXT4_SB(sb)->system_blks = RB_ROOT;
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}
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/*
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