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logfs: Free areas before calling generic_shutdown_super()
Or hit an assertion in map_invalidatepage() instead. Signed-off-by: Joern Engel <joern@logfs.org>
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parent
6c69494f6b
commit
1bcceaff8c
3 changed files with 12 additions and 4 deletions
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@ -596,6 +596,7 @@ int logfs_init_mapping(struct super_block *sb);
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void logfs_sync_area(struct logfs_area *area);
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void logfs_sync_segments(struct super_block *sb);
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void freeseg(struct super_block *sb, u32 segno);
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void free_areas(struct super_block *sb);
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/* area handling */
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int logfs_init_areas(struct super_block *sb);
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@ -862,6 +862,16 @@ static void free_area(struct logfs_area *area)
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kfree(area);
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}
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void free_areas(struct super_block *sb)
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{
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struct logfs_super *super = logfs_super(sb);
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int i;
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for_each_area(i)
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free_area(super->s_area[i]);
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free_area(super->s_journal_area);
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}
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static struct logfs_area *alloc_area(struct super_block *sb)
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{
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struct logfs_area *area;
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@ -944,10 +954,6 @@ int logfs_init_areas(struct super_block *sb)
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void logfs_cleanup_areas(struct super_block *sb)
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{
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struct logfs_super *super = logfs_super(sb);
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int i;
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btree_grim_visitor128(&super->s_object_alias_tree, 0, kill_alias);
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for_each_area(i)
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free_area(super->s_area[i]);
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free_area(super->s_journal_area);
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}
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@ -486,6 +486,7 @@ static void logfs_kill_sb(struct super_block *sb)
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/* Alias entries slow down mount, so evict as many as possible */
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sync_filesystem(sb);
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logfs_write_anchor(sb);
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free_areas(sb);
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/*
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* From this point on alias entries are simply dropped - and any
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