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ext4: fix documentation for ext4_ext_try_to_merge()
Don't mention the nonexistent return value, and mention both types of merges that are attempted. Signed-off-by: Eric Biggers <ebiggers@google.com> Link: https://lore.kernel.org/r/20191231180444.46586-6-ebiggers@kernel.org Signed-off-by: Theodore Ts'o <tytso@mit.edu> Reviewed-by: Ritesh Harjani <riteshh@linux.ibm.com> Reviewed-by: Jan Kara <jack@suse.cz>
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@ -1828,13 +1828,14 @@ static void ext4_ext_try_to_merge_up(handle_t *handle,
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}
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/*
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* This function tries to merge the @ex extent to neighbours in the tree.
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* return 1 if merge left else 0.
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* This function tries to merge the @ex extent to neighbours in the tree, then
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* tries to collapse the extent tree into the inode.
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*/
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static void ext4_ext_try_to_merge(handle_t *handle,
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struct inode *inode,
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struct ext4_ext_path *path,
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struct ext4_extent *ex) {
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struct ext4_extent *ex)
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{
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struct ext4_extent_header *eh;
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unsigned int depth;
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int merge_done = 0;
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